[Offer to Sell] PTFE Skived Sheet |
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| PTFE skived sheet is manufactured by a unique process which provides a high level of fibrillation to overcome the creep relaxation and cold flow problems associated with standard skived PTFE sheets. It is produced from virgin PTFE resin filled with hollow-glass-micro -spheres. AS3302 is suitable for service with a wide variety of aggressive fluids, including hydrocarbons, acids and caustics, solvents, water, steam, hydrogen-peroxide, refrigerants, etc. It has excellent mechanical strength and high stress retention value. The high compressibility of PTFE skived sheet makes it particularly suitable for use with stress sensitive and/or fragile flanged joints, e.g. glass, ceramics, plastic, etc. The excellent malleability of it makes repairing of small damages and/or irregularities of the sealing area (flange surface) unnecessary. AS3302 is quick and simple to install. The used gasket can be removed easily and without residue. Main Specification: SPECIFIC GRAVITY 2.18 ELONGATION AT BREAK (%) 200--450 TENSILE STRENGTH (Mpa) 14--48 BENDING STRENGTH（Mpa) no break PRESSURE (Mpa) 24 TENSILE MODULUS (YOUNG’S MODULUS)（Mpa) 393 BENDING MODULUS (Mpa) 490--586 HARDNESS D50--65 FRICTION COEFFICIENT 0.02 ABRASION RESISTANCE 1000revs 12 IMPACT STRENGTH Jzod 73℉23℃, notched(KJ/m2) 6.3 MELTING POINT 327 WORKING TEMPERATURE (20000 HOURS, highest) (℃) 260 FLAME RETARDANCE V-0 EFFECTIVE THERMAL CONDUCTIVITY 1.7/6*10-4 COEFFICIENT OF LINEAR THERMAL EXPANSION 10-5(℃) >11.6 TEMPERATURE (lowest)(℃) -268 DIELECTRIC CONSTANT 2.1 DIELECTRIC STRENGTH 10mil PELLICLE >1400 VOLUME RESISTIVITY (Ω•cm) >1018 SURFACE RESISTIVITY (Ω/sq) >1017 CHEMICAL SOLVENT-RESISTANCE EXCELLENCE WATER ABSORPTION 24h/% <0.01 REFLECTION COEFFICIENT 1.35 LIMITING OXYGEN INDEX <95 |
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