what are elastomers class 11?
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Elastomers. The materials for which strain produced is much larger than the stress applied, with in the limit of elasticity are called elastomers, e.g., rubber, the elastic tissue of aorta, the large vessel carrying blood from heart. etc. Elastomers have no plastic range.
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The more than one dozen major classes of synthetic rubber are made of raw material derived from petroleum, coal, oil, natural gas, and acetylene. Many of them are copolymers, i.e., polymers consisting of more than one monomer.
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Shock absorbing materials may also be called shock absorbing polymers, visco-elastic polymers, visco polymers or simply polymers. There are many other shock absorbent materials available like rubber, neoprene, silicone, etc. but for our purposes here we'll discuss polymer and Sorbothane specifically.
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Application. Chevron Hydraulic Oils AW are versatile lubricants available in ISO viscosity grades 32, 46 and 68. ISO 32, 46 and 68 grades are most commonly used for hydraulics with vane-, piston-, or gear-type pumps, especially where pressures exceed 1000 psi.
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Thermoplastic polyurethane (TPU) is any of a class of polyurethane plastics with many properties, including elasticity, transparency, and resistance to oil, grease and abrasion. Technically, they are thermoplastic elastomers consisting of linear segmented block copolymers composed of hard and soft segments.
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Neoprene (also polychloroprene) is a family of synthetic rubbers that are produced by polymerization of chloroprene. Neoprene exhibits good chemical stability and maintains flexibility over a wide temperature range.
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Latex basics rubber latex. Synthetic latex materials include: polyvinyl chloride (vinyl or PVC), nitrile rubber (acrylonitrile-butadiene copolymers), and polychloroprene known by its trade name, Neoprene™.
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11 kg = 11000 grams. What is 11 kilograms in pounds? 11 kg = 24.25085 pounds.
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['1 – Polyethylene Terephthalate (PET or PETE or Polyester) ... ', '2 – High-Density Polyethylene (HDPE) ... ', '3 – Polyvinyl Chloride (PVC) ... ', '4 – Low-Density Polyethylene (LDPE) ... ', '5 – Polypropylene (PP) ... ', '6 – Polystyrene (PS)']
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O-rings function in so many applications because there is a diverse scope of material used in their fabrication. Many are made from rubber, or, more specifically, elastic polymers, or elastomers. These polymers are cured, often through vulcanization, resulting in a strong, durable and more elastic rubber.
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The Ansell HyFlex CR 11-500 Glove is a cut-resistant glove with a stretch liner made from a blend of DuPont Kevlar and Spandex. This liner is then coated with a foam nitrile on the palm and fingertips. Kevlar is known for good cut resistance, which makes this a great glove for working with sharp materials and tools.
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The silicone elastomer shell is inllated to the desired size with sterile isotonic saline before implantation, as well as postimplantation for the Spectrum implants. The implants are available with Siltex® textured or smooth surface shells.
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Nitrile rubber, also known as NBR, Buna-N, and acrylonitrile butadiene rubber, is a synthetic rubber copolymer of acrylonitrile (ACN) and butadiene. Trade names include Perbunan, Nipol, Krynac and Europrene.
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There are two classes of engineering brick available, Class A and the more widely used Class B. ... Class A engineering bricks can, in certain situations, be used as a damp proof course brick, and must have a compressive strength greater than 125N/mm2 and a water absorption less than 4.5 per cent.
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Nitrile gloves are made out of a synthetic rubber, and are an ideal alternative when latex allergies are of concern. Nitrile gloves are the superior glove when it comes to puncture resistance.
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An Elastomer is a polymer with viscoelasticity (i.e., both viscosity and elasticity) and has very weak intermolecular forces, generally low Young's modulus and high failure strain compared with other materials. ... IUPAC defines the term "elastomer" by "Polymer that displays rubber-like elasticity."
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Eleventh grade. Eleventh grade, junior year 5, or grade 11 (called Year 12 in England) is the eleventh, and for some countries final, grade of secondary schools. Students are typically 16–17 years of age, depending on the country and the students' birthdays.