what is the difference between fkm and viton material?
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FKM is the American standard ASTM short form name for Fluro-Elastomer. ... VITON™ is a registered trademark of Du Pont performance elastomers, the original developers of the rubber. However, the Viton is also used as a general name for the material, no matter who the manufacturer is.
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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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Everything you can touch, taste or smell.) So, 1kg of whole milk is 100% chemicals, and 1kg of skim-milk is 100% chemicals. No difference. In the USA to be called "skim milk," it must have vitamin A and D added to replace what is lost during skimming.
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Composition. Cementum is slightly softer than dentin and consists of about 45% to 50% inorganic material (hydroxylapatite) by weight and 50% to 55% organic matter and water by weight. The organic portion is composed primarily of collagen and proteoglycans.
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As mentioned above, the primary materials used in gym floors tend to include foam, rubber or PVC plastic, and even special carpet.
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A PCM or powertrain control module is different from an ECM or engine or electronic control module, even though most people believe the two are the same. Most modern or newer models only have a PCM, which controls all the engine functions, where the ECM only controlled certain parts of the engine.
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Environmental Properties: Viton® O-rings and seals have a wide range of chemical resistance (involving mineral acids, fuels, and oils) and this material is also highly resistant to oxidation, UV exposure, fungus, weather, ozone, and mould. This makes Viton® far superior to Nitrile in these regards.
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What's the difference? Furniture grade PVC is slightly different from standard plumbing PVC in several ways. Aesthetically, furniture grade PVC is shinier and is free from writing or bar codes. This gives a more polished look than standard PVC which often has markings or imperfections.
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They Can Be Made Using Different Metals PFM restorations can be made using different metals such as base metal alloys(cobalt, nickel, chromium), titanium alloys, and gold alloys. Base metal alloys are a popular choice, but can cause metal allergies in some people.
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THHN-2/THWN-2 is a thermoplastic product, while XHHW-2 features thermoset insulation. THERMOPLASTIC: Cheaper than Thermoset. Nylon Coating - Required for the Insulation System's Rating.
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The key difference between rigid foam insulation and traditional insulation is, as you might expect, the strength of the material. Unlike batt and blown insulation, rigid foam won't blow or shift out of place once it's installed. It also is water and pest resistant, making it perfect for basements and crawl spaces.
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Viton is a brand of FKM, a synthetic rubber and fluoropolymer elastomer commonly used in seals, chemical-resistant gloves, and other molded or extruded goods. The name is a registered trademark of The Chemours Company previous Du Pont de Nemours and was introduced in 1957.
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Why is blood agar useful as a primary isolation medium? What is the major difference between MTM and chocolate agar? MTM is chocolate agar, but with added nutrients that promote the growth of specific species. When would you use MTM medium rather than chocolate?
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PVC is the same colour on both sides. B. Sand the material; Hypalon will matt down and produce a dust and suede like nap to the abrasion. PVC will just scratch, remain glossy and there will be no difference in colour (click on the image to zoom in).
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Ethylene-vinyl acetate, or EVA material, is an elasticized closed-cell foam with rubber-like softness and flexibility. ... As a closed cell foam, EVA material is firmer than open cell foams and allows for subtle movements when standing on it without much risk rolling ankles.
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FKM is a family of fluoroelastomer materials defined by the ASTM International standard D1418. It is equivalent to FPM by ISO/DIN 1629 standard. All FKMs contain vinylidene fluoride as a monomer.
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All MSM produced for commercial use utilizes the same base raw materials—but there is a difference, and that boils down to the quality of the raw materials, the purification process, testing levels, specifications and quality of the manufacturing.