MFA Properties

Teflon Properties from Tef Cap

Modified Floro Alkoxy

PropertiesUnits / ASTMMFA
MECHANICAL PROPERTIES
Specific GravityD7922.15
Elongation %D638300
Tensile Strength (psi)D6383,500
Flexural Strength (psi)D790N/A
Compressive StrengthD6952,200
Tensile Elastic Modulus (Young's Modulus) (psi)D63840,000
Flexural Modulus 103MPa (103kgf/cm2)D79096,000
Flex Life (MIT cycles)D217680,000
Hardness Durometer Shore DD636D59
Coefficient of Friction on steelN/A
Abrasion Resistance 1000 revs.TaberN/A
Impact Strength IZOD 73°F/23°C, notched ft/lbs/inD256No Break
THERMAL PROPERTIES
Melting Point°F545
Upper Service Temperature (20,000h)°F464
Flame RatingUL 94V-O
Thermal ConductivityBTU/hr/ft2/deg °F in1.4
Linear Coefficient of Thermal ExpansionD696N/A
Heat of FusionBTU/LBN/A
Heat of CombustionBTU/LBN/A
Low Temperature Embrittlement°FN/A
ELECTRICAL PROPERTIES
Dielectric ConstantD150/103Hz ( 106Hz )2.1
Dielectric Strength 10 mil filmD1492000
Volume Resistivity ohm-cmD257>10^17
Surface Resistivity ohm/sq.D257N/A
GENERAL PROPERTIES
Chemical/Solvent ResistanceD543Excellent
Water Absorption, 24hr / %<.03
Deformation Under LoadD621/110°CN/A
Refractive IndexN/A
Limiting Oxygen Index %D2863>95