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Teflon Properties

TEFLON PROPERTIES : THERMAL
PropertiesASTMPTFEPFAFEPETFEECTFE
Maximum Service Temp.°C260°260°200°150°170°
°F500°500°392°302°340°
Melting point°C327°305°260°267°240°
°F621°582°500°512°464°
Flame RatingUL 94V-OV-OV-OV-OV-O
Minimum Service Temp.°C-240°-200°-240°-190°-76°
°F-400°-328°-400°-310°-104°
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TEFLON PROPERTIES : MECHANICAL 
PropertiesUnitsPTFEPFAFEPETFEECTFE
Specific GravityD-7922.182.152.151.741.68
Tensile Strength (psi)D-6382,000-7,0004,000-4,5002,800-5,0006,100-6,8006,000-7,800
Flexural Strength (psi)D-790no breakno breakno break5,5007,000
Compressive StrengthD-6953,500 2,2002,5001,276-1,711
Flex LifeD-2176greater then 1,000,00010,000 up to 500,0005,000 up to 80,00010,000 up to 27,000N/A
Hardness Durometer Shore DD-636D 50-65D 55-60D 55D 75D 75-90
Coefficient of FrictionOn Steel.02.04.04.06.19
Abrasion ResistanceTaber129-1714-20N/A.005
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TEFLON PROPERTIES : ELECTRICAL 
PropertiesUnitsPTFEPFAFEPETFEECTFE
Dielectric ConstantD150 / 103Hz2.12.12.12.62.5
D150 / 106Hz2.12.12.12.62.6
Dielectric Strength 10 mil FilmD-149>1,400>2,000>2,0001,600N/A
Volume Resistivity ohm-cmD-257>1,018>1,018>1,018>1,016>1,016
Surface Resistivity ohm-cmD-257>1,017>1,017>1,017>1,015>1,014
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TEFLON PROPERTIES : GENERAL
PropertiesUnitPTFEPFAFEPETFEECTFE
Chemical- Solvent ResistanceD-543 Excellent Excellent Excellent Excellent Excellent
Water Absorption24hr / %<.01<.03<.01<.03<.01
Refractive Index 1.351.341.3381.41.447
Limiting Oxygen IndexD-2863> 95 min95 min95 min30-46 min52 min
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