Chemours Teflon™ 641XT X Fine Powder PTFE Resin for Paste Extrusion

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Chemours Teflon™ 641XT X Fine Powder PTFE Resin for Paste Extrusion
Categories:	Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE); Polytetrafluoroethylene (PTFE), Extruded
Material Notes:	Teflon™ PTFE 641XT X is a polytetrafluoroethylene fine powder resin used primarily for paste extrusion. Teflon™ PTFE 641XT X offers the excellent combination of properties typical of Teflon™ fluoroplastic resins. Teflon™ PTFE 641XT X is designed for high-speed processing over a wide extrusion reduction ratio range with excellent performance even at the top of this range. The key feature of Teflon™ PTFE 641XT X is the enlarged operating window over high extrusion reduction ratios, allowing a more robust extrusion process. This can translate in increased extrusion line speed and/or longer flawless wire length. Due to its outstanding transformation characteristics, Teflon™ PTFE 641XT X can be extruded with very low lubricant levels over a wide reduction ratio range, while the extrusion pressure remains low. Teflon™ PTFE 641XT X is mainly used for insulation of high performance wire and cables, as well as tubing. Information provided by Chemours.
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Available Properties

Specific Gravity, ASTM D4895
Bulk Density, ASTM D4895
Water Absorption, ASTM D570
Particle Size, ASTM D4895, Average
Hardness, Shore D, ASTM D2240
Tensile Strength, ASTM D1457
Elongation at Break, ASTM D1457
Flexural Modulus, ASTM D790
Flex Crack Resistance, ASTM D2176, Cycles MIT Folding Endurance
Izod Impact, Notched, ASTM D256
Coefficient of Friction, ASTM D1894
Volume Resistivity, ASTM D257
Surface Resistivity per Square, ASTM D257
Dielectric Constant, ASTM D150
Dielectric Strength, ASTM D149
Dissipation Factor, ASTM D150
Arc Resistance, ASTM D495
Melting Point, ASTM D4591, Second Peak
Melting Point, ASTM D3418
Melting Point, ASTM D4591, Initial Peak
Flammability, UL94
Oxygen Index, ASTM D2863

Property Data

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Manufacturer Notes:
Chemours, former DuPont

Category Notes
Plastic

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