China Plastic PTFE Sheet, Find details about China Teflon Sheet, Plastic from Plastic PTFE Sheet
PTFE SHEET Product Description Types and specifications: Skived sheet : Thickness 0.5~6mm L>500mm Molded sheet: Thickness:8-100mm Length x Width: 150x150mm;300x300mm;500x500mm;600x600mm;800x800mm;1000x100mm;1200x1200mm;1500x1500mm;1000x2000mm Main properties Apparent density : 2.10~2.30g/cm3 Tensile strength >15.00Mpa Crack Elongation >150% Dielectric strength>10Kv/mm
Properties | Unit | ASTM Test method | 100% PTFE | ||
Physical Properties | Specific gravity | g/cm3 | D792 | 2.20-2.30 | |
Melting point | ºC | - | 327 | ||
Coefficient of linear thermal expansion | 10-5/ºC | D696 | 9.9 (23~66ºC) | ||
Thermal conductivity | 10-6W/m.k | C177 | 1.9 | ||
Index of refraction | D541 | 1.35 | |||
Coefficient of water absorption | %(24h) | D570 | <0.01 | ||
Min. Temperature | ºC | - | -180 | ||
Max. Temperature | ºC | - | 260 | ||
Mechanical Properties | Tensile strength | Mpa | D638 | 25~34.3 | |
Elongation | % | D638 | 200~400 | ||
Compressive strength | Mpa | D695 | 11.8 | ||
Bending strength | Mpa | D790 | 0.55 | ||
Flexural modulus | X103Mpa | D790 | - | ||
Hardness | Durometer | D2240 | 50-55 | ||
Coefficient of dynamic friction Working Pressure | 0.7Mpa Kgs/cm2 | - - | 0.10 300~400 | ||
Electric Properties | Specific volume resistivity | Ω.cm | D257 | >1018 | |
Surface resistivity | Ω | D257 | >1016 | ||
Dielectric breakdown voltage | (1.8"Th)kv/mm | C149 | 19.2 | ||
Dielectric constant | 106HZ | D150 | <2.1 | ||
Dielectric loss tangent | 106HZ | D150 | <0.0002 | ||
Arc resistance | S | D495 | >300 | ||
Chemical properties | Effect of sunlight | - | |||
Acid/resistance | D543 | ||||
Alkali/resistance | C543 | ||||
Solvent/resistance | - | ||||
Workability by machining | - |