We can tailor the polyurethane’s hardness to fit your specific need. Polytek®'s two-part, room-temperature curing polyurethane plastics are available in varieties that can be poured, brushed or sprayed to create castings with unlimited versatility. Polyurethane’s hardness range straddles typical rubber and plastic hardnesses. A copolymer? Almost anything is possible. And neither with plastic. Think of hard, soft, flexible, tough, light materials and different colours. Kast Series products are high-performance urethane resins designed for use in a variety of applications including foundry, special effects, prototyping, vacuum and thermo-forming, and many other industrial and commercial applications. Think of car parts, shoe soles, paint, floors and wheels. Because polyurethane is not a plastic. A low-density, slightly flexible plastic that can be used to make decorative trim, props or impact resistant parts. The advantages of PU versus other materials in the industry are: The possibilities of polyurethane are almost infinite. Water clear, non-yellowing urethane casting resins for applications demanding optically clear castings, Vacuum or pressure casting is recommended for bubble-free castings, Can be colored with PolyColor Dyes to create clear, colored parts, Poly 15-Series plastics can be used to make thermoplastic-like, stone-like or pewter-looking parts, Certain options in this series can be thickened with PolyFiber II for making lightweight mold shells or hollow/lay-up castings, This series includes Poly 15-3 and Poly 15-3X Liquid Plastics, which feature the least amount of shrinkage in castings compared to other Polytek. But the sweet spot for many of its performance properties occurs from 55 Shore A to 75 Shore D. This is where we tend to see the most potential for polyurethane. It has the strength of plastic and the elasticity of rubber. A hard rubber product? Think of hard, soft, flexible, tough, light materials and different colours. Urethane’s hardness has a wide range from very soft, like a gel bicycle seat (~25 Shore OO), to very hard, like a bowling ball (~75 Shore D). Certainly black, gray or white products can put you on the wrong track. If you choose a product in the plastic POM, than that product has only one hardness. Polyurethane is a unique material that offers the elasticity of rubber combined with the toughness and durability of metal. These products are part of our daily lives. Calling PU ‘polyurethane rubber’ or ‘polyurethane plastic’ is confusing. With this Challenge innovative startups, entrepreneurs and students were challenged to come up with solutions f. We excel in the production of custom-made plastic, rubber and polyurethane products. But, if we still would want to compare PU with rubber and plastic, then we would have to study the full diversity of the material’s hardness. Hardness is a dimensionless quantity. Chemically speaking, polyurethane finishing products are actual repeating chains of polymers that exposed to air become a super hard… Polyurethane. – No. Polyurethane (PUR and PU) is a polymer composed of organic units joined by carbamate (urethane) links. Because polyurethane is so much more versatile. (And we are so proud of it!). Polyurethane delivers excellent performance across a hardness range that spans from approximately athletic shoe sole (low hardness) to bowling ball (high hardness). Polytek ® 's two-part, room-temperature curing polyurethane plastics are available in varieties that can be poured, brushed or sprayed to create castings with unlimited versatility.. Polyurethane products can also be the solution for many technical problems. These plastics are separated into six different series, highlighted below. 610-559-8620 | 800-858-5990 Or like plastic. Polyurethane is actually not a (natural) rubber nor a plastic, but is something ‘in between’. Polyurethane compared to rubber and plastics. But what is PU, then? Tangible in different hardnesses. Polyurethane’s hardness range straddles typical rubber and plastic hardnesses. Visible in the endless colour options. It is a copolymer based on polyols and isocyonates. Polyurethane (or ‘PU’) is so versatile and flexible: it simply is confusing. But the sweet spot for many of its performance properties occurs from 55 Shore A to 75 Shore D. This is where we tend to see the most potential for polyurethane. And we actually would compromise PU. On Thursday the 29th of November, the winner of the Offshore Wind Innovation Challenge was announced: Ridderflex. Plastic Storage Sheds: Easy to install, durable and maintenance free buildings from Lifetime, Palram and Suncast! As its name implies, polyurethane is a plastic. – Pick a 70 or 80 shore quality. The material often looks and feels like rubber. Professor Dr. Otto Bayer invented this special material in 1937. Polyurethane is like a liquid plastic, often either a pure synthetic plastic or a blend with resin. Most variation in polyurethane is visible and tangible. Polyurethane Accessories - Quick Reference Chart, Poly Plasti-Flex Urethane Casting Resin |, View All Urethane Resins | Quick Reference Chart, Polytek’s easiest-to-use and best-selling rigid casting plastics, Super low-viscosity systems designed for pouring, rotocasting & slush-casting, Fast demold times (as fast as 15 minutes), Options for pouring, rotocasting and slush casting, and spraying, A clear, light yellow/amber option is available, which is ideal for color casting or filler applications such as cold cast bronze. They are made of polyurethane, which combines the shock-absorbing qualities of rubber with the tear resistance of plastic. Wipe away all excess finish from the rim and lid before replacing the lid to prevent air from entering … From super low-viscosity, fast-setting resins to water-clear options, almost any color, size, shape, weight and appearance can be achieved by using these systems. Polyurethane Rubber Tubes Use these tubes as jackets, seals, and insulation in areas where rubbing and scraping could cause wear on rubber. And that polyurethane offers many advantages over other materials in the industry. Polyurethane durometer is another way of saying polyurethane hardness. We even dare to say that no other material in our product range is so flexible and versatile. Converting between hardness scales is not recommended. Polytek will be closed on Thursday, November 26th and Friday, November 27th in observance of Thanksgiving. Polyurethane durometer is another way of saying polyurethane hardness. Many applications – from shock absorbers to wheels to wear pads – take advantage of polyurethane’s unique combinations of performance and hardness. Most variation in polyurethane is visible and tangible. Because urethane is available in a very broad hardness range (eraser-soft to bowling-ball-hard), it allows the engineer to replace rubber, plastic and metal with the ultimate in abrasion resistance and physical properties. And actually no rubber either. Almost anything is possible. Our custom-made polyurethane products Hollow and solid products in all possible shapes. Various colours and hardnesses. But a plastic is a copolymer as well, isn’t it? Often it is not. The most popular scales for measuring polyurethane hardness are Shore A and Shore D. Shore OO or Rockwell R scales might be used for very low or very high hardness measurements, respectively.

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