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ASTM D580 Standard Specification for Greige Woven Glass Tapes and Webbings; ASTM D4514-12 Standard Specification for Friction Tape; ASTM D2754-10 Standard Specification for High-Temperature Glass Cloth Pressure-Sensitive Electrical Insulating Tape; MODUK DEF STAN 81-25, EN-Tape Pressure-Sensitive Adhesive (Water Resistant Fabric)
Electrical tape (or insulating tape) is a type of pressure-sensitive tape used to insulate electrical wires and other materials that conduct electricity. It can be made of many plastics but PVC (polyvinyl chloride, "vinyl") is the most popular, as it stretches well and gives effective and long-lasting insulation.
Acrylic-based adhesives offer a wide temperature range, providing adhesion from sub-freezing temperatures up to 275–325 °F (about 150 °C). Silicone-based adhesives provide the highest temperature resistance, with some tapes (such as some polyimide films and glass cloth tapes) allowing for intermittent use up to 500 °F (260 °C).
The high tack material is a polymer with low glass transition temperature and high entanglement molecular weight, whereas the low tack polymer has high glass transition temperature and low entanglement molecular weight. [6] The high tack material comprises about 95% of the adhesive and provides the majority of the adhesive's tackiness. [6]
Vycor is the brand name of Corning's high-silica, high-temperature glass. It provides very high thermal shock resistance. Vycor is approximately 96% silica and 4% boron trioxide, but unlike pure fused silica, it can be readily manufactured in a variety of shapes. [citation needed] Vycor can be subject to prolonged usage at 900 °C. [1]
Glass fiber (or glass fibre) is a material consisting of numerous extremely fine fibers of glass. Glassmakers throughout history have experimented with glass fibers, but mass manufacture of glass fiber was only made possible with the invention of finer machine tooling.
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