Glossary

PTFE Molded Sheet

PTFE is one of the best chemical-resistant plastic product. It does not aging. It has the lowest coefficient of friction of all know solid materials. It is used to make sheet, tube, valve, flange, joints, pump and kinds of seals. PTFE molded sheet is manufactured by molding the sheet with high-quality pure PTFE granular resin. It is used as slides, seals and insulated parts. It is also further machininged into important components of mechanical equipment.

Main Specification:
SPECIFIC GRAVITY2.18
ELONGATION AT BREAK (\%)200--450
TENSILE STRENGTH (Mpa)14--48
BENDING STRENGTHMpa)no break
PRESSURE (Mpa)24
TENSILE MODULUS (YOUNGS MODULUS)Mpa)393
BENDING MODULUS (Mpa)490--586
HARDNESSD50--65
FRICTION COEFFICIENT0.02
ABRASION RESISTANCE 1000revs12
IMPACT STRENGTH Jzod 73H23ae, notched(KJ/m2)6.3
MELTING POINT327
WORKING TEMPERATURE (20000 HOURS, highest) (ae)260
FLAME RETARDANCEV-0
EFFECTIVE THERMAL CONDUCTIVITY1.7/6*10-4
COEFFICIENT OF LINEAR THERMAL EXPANSION 10-5(ae)>11.6
TEMPERATURE (lowest)(ae)-268
DIELECTRIC CONSTANT2.1
DIELECTRIC STRENGTH 10mil PELLICLE>1400
VOLUME RESISTIVITY (•cm)>1018
SURFACE RESISTIVITY (/sq)>1017
CHEMICAL SOLVENT-RESISTANCEEXCELLENCE
WATER ABSORPTION 24h/\%

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