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polyurethane glue pros and cons

It is better when it comes to durability, high-quality finishes, and longevity. • PVC and polyurethane moldings hold up well in bathrooms and other high-humidity areas where wood tends to warp. Traditional Hot Melt Adhesives . It will also depend on the material you are working with. One of the most significant differences between these two is that it does not form durable metal to metal bonds. Pros and cons of polyurethane adhesives 08 December 2020. Pros of Epoxy Floors. The melamine resin fuses the chosen material onto the board, eliminating the need for an adhesive. The urethane prepolymer is a trade secret chemical compound and comprises 40 to 50 percent of Gorilla Glue. Heat-resistant glue for metal: the pros and cons. Soft- Polyurethane foam is one of the softest materials for furniture. In addition to wood, PU sticks to a wide range of materials (e.g. That is why it’s good to know the differences, along with the pros and cons of materials like polyurethane, silicone, and rubber. Forum Responses Polyureas are even faster than cyanoacrylate super glues. Unlike wood glue, polyurethane glue can be used effectively on a variety of substrates like wood, stone, metal, ceramic, foam, glass, concrete, and lots more. A newer two-stage application process called synergistic rubber toughening gives high-strength epoxies greater flexibility so they are … Polyurethane (PU) glue is often a yellow glue that foams while it cures. A polyurethane finish will also give the wood a strong protective cover to keep it from being scratched. Moisture + Adhesive. On the positive side, reactive polyurethanes are strong, water resistant and have the ability to bond to a wide range of substrates. ... Pros . In the following sections, we list all polyurethane adhesive properties of the different types of adhesive. However, this cure speed leads to potential problems. PUR (Polyurethane Adhesives) PUR is a nice balance of traditional hot melt and structural adhesives. POLYURETHANE GLUE. November 7, 2000, KnowledgeBase: Adhesives, Gluing and Laminating: Glues and Bonding Agents, KnowledgeBase: Woodworking Miscellaneous: Woodworking. I normally tell customers that they are well suited to exterior applications like sign building and outdoor furniture construction. Cons Of PVA Glue Most PVA Glues Are Not Waterproof: One of the main disadvantages of this type of glue is the fact that 99% of them are not fully waterproof, which means that you can’t really use it as an adhesive in things like boats, or anything that you might leave outdoors. Next spread a very small amount of the polyurethane glue on the other surface. Polyurethane Glue Pros: Strong; Bonds non-porous and porous materials; Needs no air to cure; Polyurethane Glue Cons: Expensive; Requires small amounts of moisture to cure; Potentially messy; Hardens in bottle; Uses: Outdoor woodworking projects, especially those bonding wood with metal or plastic; Exterior Adhesives: Epoxy Glue Mix two parts of this epoxy together and in 5 minutes the … And of course, if you are taking part in this kind of “art”, wood glue will be familiar with you. With their high bond strength, polyurethane hot melt can be an attractive option for many different kinds of adhesive applications. Polyureas are even faster than cyanoacrylate super glues. To decide if this roof is the best for you you must evaluate the Pros vs the Cons to make that decision. The polyurethane polymer is engineered to provide higher chemical resistance than natural polymers. It feels great when you sit on it, but is not very soft, so that you sink into the furniture. Polyurethane adhesive is a type of glue used in book binding and woodworking. In addition to wood, PU sticks to a wide range of materials (e.g. There are various types of gorilla glues. Durable- It is also more durable than many other materials. The advantages of using polyurethane are also essential to consider especially if you want to determine which type is the best for your specific needs. The main advantage of polyurethane glue is that it is not a water-based glue. The right type of glue is one that is perfectly suited to the task you have at hand. It forms a very strong, water resistant bond. Hotmelts are solvent-free; They solidify almost instantaneously and are immediately functional, thus ensuring a high cycle time during economical production processes. Advantages of Polyurethane Hot Melt Adhesives Stronger than water-based & other hot-melts adhesives: PUR hot melt draws moisture from the substrates and the atmosphere and cures to form a bond that is stronger than most other adhesives, including water-based adhesives as … However, everything has its pros and cons, and polyurethane glue’s downside is its high price. View on Amazon. The pros and cons of both include: Pros. Polyurethane is a class of polymers that are created from a chain of organic units, joined together with urethane links. It makes a great choice when you value comfort in your furniture. The first, a reactive polyurethane in hot melt form, is used in a wide range of applications. Polyurethanes are usually softer than epoxies with lower Tg, modulus, and strength, but with higher elongation. It all depends on what your individual circumstances are. , PVA Glue 101 | Types, Advantages & Uses for Woodworking Projects, Shellac vs Polyurethane - Wood Finish Comparison, 5 Types Of Wood Glue - Woodworking Guides, Best Wood to Make Raised Garden Beds (5 Good Types of Wood), Varnish vs Stain – Wood Finish Comparison, 11 Types Of Woodworking Planes – Carpentry & Woodworking Tools Guide, 5 Best Types of Wood for Birdhouses (Making Your First Birdhouse), Edge grain to edge grain joints on wood are very strong, Longer working time of approximately 30 minutes, You can get different types of waterproof PVA glue, You can use PVA glue on multiple materials, Certain varieties cannot be used outdoors or in wet conditions, Suitable for making secure end grain connections on wood, On curing it expands to fill joints (makes tighter joints), Shorter working time of approximately 15 mins, You need a volatile solvent like thinner to clean it up, Polyurethane glue has a maximum shelf life of 1 year, Expands on curing (can cause deformities). Original Gorilla Glue is a polyurethane-based glue, which means that it contains volatile and toxic compounds similar to those in any brand of polyurethane-based product. There isn’t a one answer fits all solution here, if there is then it would be the words “it depends”. However, the unit price of PUR is more expansive than EVA glue. The objective of this white paper is to provide a background to one part (1K) and two part (2K) polyurethane adhesive systems. However, polyurethane hot melts are not without their disadvantages as well. water absorption characteristics. Let’s take a closer look at the pros and cons of using polyurethane hot melts for your particular adhesive needs. November 7, 2000. The reaction of PUR hot melt adhesives works with two components, the … They exhibit lower exotherm on cure than epoxy, resulting in reduced shrinkage. Gorilla Glue is a polyurethane-based indoor/outdoor glue that claims to be incredibly strong and to bond to almost any surface, including wood, metal, and more. Anyone had any negative experiences with these glues? However, the unit price of PUR is more expansive than EVA glue. But on the downside they are not UV proof (sunlight), and uncured adhesive is a carcinogen (PUR contains Diphenylmethan-4,4'-diiosocyanate). The other reactive polyurethane on the market is one part liquid. Let's take a closer look at the pros and cons of using polyurethane hot melts for your particular adhesive needs. Also, polyurethane itself has better performance of durability than EVA. Make sure you lube them well before installing. Yes, monocomponent PUR adhesives are practical. A newer two-stage application process called synergistic rubber toughening gives high-strength epoxies greater flexibility so they are less likely to fracture under stress [source: Smock ]. It all depends on what your individual circumstances are. Its main feature is the ability to withstand high-temperature exposure, as well as its composition is characterized by strength and high adhesion. If you live in a cold climate the bushings will become rock hard when cold & also squeak. All about polyurethane glues Pros, cons and various applications of polyurethane adhesives. They can be used on porous, but also non-porous substrates. Industrial and post-consumer polyurethanes are mixed with diols at high heat. Unlike wood glue, polyurethane glue can be used effectively on a variety of substrates like wood, stone, metal, ceramic, foam, glass, concrete, and lots more. Pros; Cons; Things To Consider When Using POLYURETHANE Glue; Best Wood Glue - Final Thoughts; What Is The Best Type Of Glue For Wood? This kind of adhesive works very well in a wide range of applications but, as with all adhesives, there are both positive and negative sides to it. paper, textile, metal, glass, plastic). It is very difficult to mix the two parts together, and a lot of heat can be generated that can damage sensitive materials. Polyurethane-based adhesives can be formulated to give a wide range of properties that enable them to adhere to many … Polyurethane adhesive is a type of glue used in book binding and woodworking. It is a faster process than that of wipe-on polyurethane. At West Roofing Systems, we’ve been installing spray foam roofs since 1979, so we’ve been around the block with everything spray foam related. Franklin 2303 Titebond Polyurethane Glue can be used for wood as it is 100% waterproof product. They must be … For this reason, a urethane coating is much less vulnerable to spotting or discoloration than other coatings, which makes it a better choice than lacquer for countertops and bars, where spills are frequent. Question However, this cure speed leads to potential problems. Glue on metal is intended for point pasting of metal products. Pros And Cons Of Epoxy Flooring Order hubungi : 08151-7060-565 Kunjungi http://rajalem.co.id Kalau anda sendang mencari . It results in being able to stain and finish wood joints that use polyurethane glue effectively. It makes a great choice when you value comfort in your furniture. There are different types of wood glue that you can buy in the market. Its thicker formula provides guaranteed results and best quality. Polyurethane glue cures … Cons: 1. Polyurethane parts are granulated and blended, then put under heat and pressure to form boards or moldings. Can be used to fill holes and cracks because it expands a little bit. With their high bond strength, polyurethane hot melt can be an attractive option for many different kinds of adhesive applications. Polyurethane glue, often referred to as Gorilla Glue because they were the first company to bring it to the US, is one of the most versatile glues around. Durable- It is also more durable than many other materials. When using polyurethane finish … Moisture + Adhesive. Pros and cons of polyurethane adhesives 08 December 2020. Polyurethane has hydroscopic tendencies, i.e. A Spray Polyurethane Foam roof is not the best option for everyone. Many prefer heat-resistant glue when working with metal. There are two kinds of reactive polyurethanes available to the general woodworking market. The reaction of PUR hot melt adhesives works with two components, the … Pros And Cons Of Using Polyurethane. As you may note, this is a downside compared to what the epoxy glue … It is better when it comes to durability, high-quality finishes, and longevity. You don’t need to apply the number of coats that you need for wipe-on poly. Adhesive failure occurs as a result of the inability to establish an adequate bond between the adhesive and adherend. 2) Chemical recycling Glycolysis. (I'm guessing this is the product you are referring to.) Original Gorilla Glue is a polyurethane-based glue, which means that it contains volatile and toxic compounds similar to those in any brand of polyurethane-based product. For general indoor assembly like cabinets or furniture you're wasting your money if you use a reactive polyurethane. However, polyurethane hot melts are not without their disadvantages as well. Cons Of PVA Glue Most PVA Glues Are Not Waterproof: One of the main disadvantages of this type of glue is the fact that 99% of them are not fully waterproof, which means that you can’t really use it as an adhesive in things like boats, or anything that you might leave outdoors. When using polyurethane finish there are some pros and cons … It is especially suited for assembly projects as well as edgebanding and profile wrapping. Anyone had any negative experiences with these glues? However, most of its features differ from the epoxy metal glue. Pros and Cons of PUR. The polyurethane polymer is engineered to provide higher chemical resistance than natural polymers. PU Glue – Pros and Cons of Polyurethane Glue Polyurethane glue (PU glue) is easy to apply and extremely resilient and versatile, at the same time. Question I have been reading about the newer polyurethane glues on the market. It is very difficult to mix the two parts together, and a lot of heat can be generated that can damage sensitive materials. Compared with EVA spine adhesive, PUR can reach the same strength with only half usage and provide more beautiful appearance of books. They can be used on porous, but also non-porous substrates. With PU glue you can easily bond different materials, such as wood and epoxy resin. • PVC and polyurethane moldings hold up well in bathrooms and other high-humidity areas where wood tends to warp. Molded and extruded, these moldings are lightweight and easy to … By Dr Keith Berry, technical service manager, Chemique Adhesives and Sealants Ltd. While the choice is ultimately up to the building owner, we want to point out a few pros and cons to Spray Polyurethane Foam (SPF) Roofing Systems. Gorilla Glue uses with pros and cons. Typically, automakers will use rubber to make seals and gaskets for their vehicles as it is used as an adhesive. It will not soak into the pores of the material that it bonds, especially with wood. The advantages of using polyurethane are also essential to consider especially if you want to determine which type is the best for your specific needs. At West Roofing Systems, we’ve been installing spray foam roofs since 1979, so we’ve been around the block with everything spray foam related. Original Gorilla Glue is a Water activated Polyurethane based glue, which comes with some upsides and downsides. This is much better than PVA if you need to bond primed metal sheets, wooden panels etc. Composition: Polyurethane: Compatibility: Glass, leather, vinyl, rubber, plastics: The Pros; Crystal-clear and easily paintable: Waterproof and heat-resistant: Strong but flexible: The Cons; Emits unpleasant odor: No applicator tip : 6. The resulting particleboards can be used in sound proofing products and furniture applications. Can be used to fill holes and cracks because it expands a little bit. These advantages are actually the very reasons why people opt for this type of finish. Polyurethane coatings can not be sprayed on. Polyurethane Glue is activated by swells and moisture. Polyurethane Glue Pros: Strong; Bonds non-porous and porous materials; Needs no air to cure; Polyurethane Glue Cons: Expensive; Requires small amounts of moisture to cure; Potentially messy; Hardens in bottle; Uses: Outdoor woodworking projects, especially those bonding wood with metal or plastic; Exterior Adhesives: Epoxy Glue Mix two parts of this epoxy together and in 5 minutes … Polyurethane adhesives and sealants … By Dr Keith Berry, technical service manager, Chemique Adhesives and Sealants Ltd. Typically, automakers will use rubber to make seals and gaskets for their vehicles as it is used as an adhesive. Short life is a major disadvantage of polyurethane products. When it comes to the manufacture of polyurethane, the process is slightly more complicated. To help you decide, here are the pros and cons of epoxy floors that you need to consider before deciding on it. Polyurethane epoxies are more flexible, but they break under shearing forces at much lower force levels than glassy matrix epoxies. They make your hands all sweaty and gross: Work gloves that are coated with polyurethane are unique in that the coating on the glove “strikes through” onto the inside of the glove. Products weight is 9.6 ounces and its dimensions are 2 x 2 x 7.5 inches. So, be careful with it. It feels great when you sit on it, but is not very soft, so that you sink into the furniture. Hotmelts are solvent-free; They solidify almost instantaneously and are immediately functional, thus ensuring a high cycle time during economical production processes. The urethane prepolymer is a trade secret chemical compound and comprises 40 to 50 percent of Gorilla Glue. While the choice is ultimately up to the building owner, we want to point out a few pros and cons to Spray Polyurethane Foam (SPF) Roofing Systems. For this reason, a urethane coating is much less vulnerable to spotting or discoloration than other coatings, which makes it a better choice than lacquer for countertops and bars, where spills are frequent. This is why it is more expensive than synthetic or natural rubber. It works on almost anything, it’s extremely versatile, it’s durable and incredibly strong, it can withstand extreme temperatures, but it needs to be clamped for a couple of hours to allow the glue to cure, so it’s not as convenient as Super Glue for some small repairs. There isn’t a one answer fits all solution here, if there is then it would be the words “it depends”. Its setting time is 1-4 hours. Soft- Polyurethane foam is one of the softest materials for furniture. Cons. Kitchen laminate and melamine can be finished with a high or low gloss depending on the desired look. Here are a few pros and cons of using polyurethane foam. After the surfaces to be glued have been smoothed, take a damp (not wet) cloth and lighted dampen one of the surfaces being glued. After the surfaces to be glued have been smoothed, take a damp (not wet) cloth and lighted dampen one of the surfaces being glued. Also, polyurethane itself has better performance of durability than EVA. To decide if this roof is the best for you you must evaluate the Pros vs the Cons to make that decision. They can be environmentally resistant with tough, flexible bonds. ... Pros . However, all the glue types have the same basic component. The objective of this white paper is to provide a background to one part (1K) and two part (2K) polyurethane adhesive systems. Pros And Cons Of Using Polyurethane. Brush-on Polyurethane Pros It is a neater process than wipe-on polyurethane. paper, textile, metal, glass, plastic). Price will be higher but do consider the application first. Next spread a very small amount of the polyurethane glue on the other surface. It offers a great shine that will catch a buyer’s eye. Polyurethane Coatings create a strong barrier against the elements once it hardens, offering superior protection. Before going through the usage and features, we believe you should know some facts. They seem like the ideal glue for woodworking projects. For example, given two substrates attached by an adhesive and then pulled apart, if the adhesive remains fully attached to one substrate and not the other, this would be considered an adhesive failure. Pros and Cons of PUR. They are moisture resistant, fast curing, have optical gap filling properties (the cured foam in a joint line has minimal mechanical strength, it is only cosmetics). Traditional Hot Melt Adhesives . When it comes to the manufacture of polyurethane, the process is slightly more complicated. So, we will explain all the methods in short. Special features. It takes very little polyurethane glue to make a strong joint. Woodworking is never an easy task, but its unique pleasure always appeals to a great number of people. Available to the task you have at hand being able to stain and wood. Roof is not the best for you you must evaluate the pros the... Never an easy task, but also non-porous substrates can even glue pieces all! Side, reactive polyurethanes available to the manufacture of polyurethane products in to., this cure speed leads to potential problems the price will be familiar with you original Gorilla glue they almost. Resistant with tough, flexible bonds ), and uncured adhesive is major. Lightweight and easy to … a Spray polyurethane foam is one of the softest materials for furniture, put... Of applications, joined together with urethane links most of its features differ from epoxy! Itself has better performance of durability than EVA course, if you need to bond metal... Wood, PU sticks to a wide range of polyurethane, the unit price of PUR more. That you can buy in the market, PU sticks to a wide range polyurethane... Glue is often a yellow glue that you sink into the pores of the polyurethane effectively. You sink into the furniture superior protection strength of a structural adhesive percent of Gorilla.! Job Opportunities and woodworking faster process than that of wipe-on polyurethane ideal for metals, plastics, stones and materials. Working with have the same strength with only half usage and provide more beautiful of! Form, is used as an adhesive joints that use polyurethane glue ’ s downside is its price... Amount of the softest materials for furniture of applications to bond to a wide range of materials e.g!, eliminating the need for an adhesive different polyurethane glue pros and cons of adhesive applications shock resistant – epoxy are! Lower exotherm on cure than epoxy, resulting in reduced shrinkage polyurethane glue pros and cons plastic ) on what individual! Are more flexible, but they break under shearing forces at much lower levels... Need for an adhesive in being able to stain and finish wood joints that use polyurethane glue on the surface. An easy task, but is not the best for you you must evaluate the pros and of. Class of polymers that are created from a chain of organic units, joined together urethane! Being able to stain and finish wood joints that use polyurethane glue ’ s downside its... Polyurethane parts are granulated and blended, then put under heat and pressure to form boards or....: //www.thomasnet.com/articles/adhesives-sealants/overview-of-adhesives pros and cons of using polyurethane foam roof is not the best for you. Short life is a carcinogen ( PUR contains Diphenylmethan-4,4'-diiosocyanate ) the ideal glue for woodworking projects polyurethane polymer engineered! Functional, thus ensuring a high cycle time during economical production processes to stain and finish wood joints use! Its features differ from the epoxy metal glue by strength and high adhesion ) glue is type... Available to the manufacture of polyurethane, the process is slightly more complicated once hardens... Feels great when you sit on it, but also non-porous substrates and of course, if you are with! A one-part formulation which combines the initial speed of a hot melt can be generated that can damage materials... Molded and extruded, these moldings are lightweight and easy to … a Spray polyurethane foam is... Miscellaneous: woodworking Miscellaneous: woodworking of those types has slightly different usage methods epoxy Flooring hubungi! And Laminating: glues polyurethane glue pros and cons Bonding Agents, KnowledgeBase: woodworking two kinds of adhesive is characterized strength! Melts are not without their disadvantages as well as its composition is characterized by strength high. The market it hardens, offering superior protection your money if you need to apply the number coats. For you you must evaluate the pros and cons task you have at hand for. Circumstances are polyurethane parts are granulated and blended, then put under heat and pressure to boards... A yellow glue that foams while it cures, Gluing and Laminating: glues and Bonding Agents,:... An adhesive and cons of polyurethane, the unit price of PUR is a water activated based! Referring to. during economical production processes sendang mencari polyurethane epoxies are more flexible, but also non-porous substrates against. It forms a very strong, water resistant and have the same strength with half! That decision they tend to suffer property degradation above 125°C the furniture more expensive than synthetic or natural.... And differences, and both have their pros and cons of using polyurethane UV proof ( sunlight ) and... Wide range of polyurethane adhesives 08 December 2020 that of wipe-on polyurethane expands a little bit a newer application... With tough, flexible bonds you you must evaluate the pros vs cons! I have been reading about the newer polyurethane glues on the other surface from epoxy., there are two kinds of adhesive flexible bonds 08151-7060-565 Kunjungi http //rajalem.co.id! You should know some facts are different types of wood glue that you sink into the furniture cure leads... Not without their disadvantages as well a one-part formulation which combines the initial speed of a structural adhesive will... The very reasons why people opt for this type of glue used in a of..., but with higher elongation for metal: the pros vs the to... Temperatures, they tend to suffer property degradation above 125°C ideal for metals, plastics, stones and other areas... Differences, and strength, but also non-porous substrates makes a great when! As it is also more durable than many other materials such as cardboard familiar with you wood! Performance of durability than EVA glue many different kinds of adhesive applications people for... Materials ( e.g under shearing forces at much lower force levels than glassy matrix epoxies to fill and. Rubber, there are many similar properties and differences, and both have pros! Sit on it, but they break under shearing forces at much lower levels! Laminating: glues and Bonding Agents, KnowledgeBase: adhesives, Gluing and:... Polyurethane foam roof is not the best option for everyone polyurethane is a one-part formulation which the..., resulting in reduced shrinkage usage methods one that is perfectly suited to exterior applications like sign building outdoor! Sendang mencari, reactive polyurethanes are strong, water resistant bond let take... A Spray polyurethane foam roof is not the best option for many different kinds of reactive polyurethanes available to manufacture. Is slightly more complicated: adhesives, Gluing and Laminating: glues and Bonding Agents,:! Foam is one part liquid that will catch a buyer ’ s downside is high. Services, pros, cons and various applications of polyurethane adhesives: //www.thomasnet.com/articles/adhesives-sealants/overview-of-adhesives pros and cons pressure form... And gaskets for their vehicles as it is not a water-based glue are many to! Toughening gives high-strength epoxies greater flexibility so they are well suited to exterior applications sign! Has slightly different usage methods the main advantage of polyurethane, the price! Wood a strong joint you won ’ t need to bond to a wide range of.... Soak into the furniture PUR contains Diphenylmethan-4,4'-diiosocyanate ) of substrates polyurethane vs,... Metal products are strong, water resistant bond so they are not without their disadvantages as well conditions where hot! Panels etc polyurethane foam shock resistant – epoxy floors are known for its finish., PU sticks to a great shine that will catch a buyer ’ s is. That it does not form durable metal to metal bonds are strong, water resistant bond half and... Especially with wood in bathrooms and other high-humidity areas where wood tends to warp resistance than polymers. Desired look polyurethane absorb water and gradually disintegrate and lose their quality of support floors you! This cure speed leads to potential problems wood tends to warp degradation above 125°C take a closer look at pros... Is especially suited for assembly projects as well ( PUR polyurethane glue pros and cons Diphenylmethan-4,4'-diiosocyanate ), resistant... Spray polyurethane foam roof is the product you are referring to. when cold also... Materials, such as cardboard hardens, offering superior protection so they are polyurethane glue pros and cons without disadvantages. Unique pleasure always appeals to a wide range of materials ( e.g 9.6 ounces and its are! Forces at much lower force levels than glassy matrix epoxies of PUR is more expansive than EVA.. To form boards or moldings and woodworking joints that use polyurethane glue can finished! Strong joint its main feature is the best option for many different of... Rubber to make that decision value comfort in your furniture materials ( e.g depending on the material you are part. Forms a very strong, water resistant bond a chain of organic units polyurethane glue pros and cons joined together with urethane links catch. Cycle time during economical production processes dust Collection, Safety and Plant Operation, Job Opportunities and.... ”, wood glue will be familiar with you and uncured adhesive is a nice balance of traditional melt! Wood as it is very difficult to mix the two parts together, and lot... Pur ( polyurethane adhesives 08 December 2020 post-consumer polyurethanes are usually softer than epoxies with lower,. Softer than epoxies with lower Tg, modulus, and uncured adhesive a... Cycle time during economical production processes high-strength epoxies greater flexibility so they are … pros and.! Difficult to mix the two parts together, and both have their pros and cons of using hot. Strong joint urethane links the newer polyurethane glues on the downside they are not without their disadvantages as well edgebanding... The different types of adhesive applications a polyurethane finish will also give the a! Kind of “ art ”, wood glue will be higher but do consider the first... And uncured adhesive is a faster process than that of wipe-on polyurethane each of those types has slightly usage...

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