PTFE has an impressive array of Physical, Chemical and mechanical properties that make it the material of choice
for the most demanding applications.

Physical Properties of PTFE & Filled PTFE Compositions

Sr. No.PropertyUnitVirgin
PTFE
Chemically Modified
PTFE
15% Glass
Filled PTFE
25% Glass
Filled PTFE
15% Glass Fibre + 5% MoS2 Filled PTFE25% Carbon# Filled PTFE35% Carbon# Filled PTFE15% Graphite Filled PTFE40% Bronze Filled PTFE60% Bronze Filled PTFE55% Bronze+5% MoS2
1Densitygm/cc2.1-2.22.15 – 2.22.10-2.242.24-2.252.23-2.242.10-2.202.11-2.132.14-2.163.1-3.23.80-4.003.8-4.00
2Tensile Strengthkgf/cm2210-375325150-225125-200150-220125-200100-175150-200125-150105-140110-145
3Elongati-on of break%250-400400-450225-325200-300220-320100-15090-125175-225100-175150-300150-300
4HardnessShore D60-6560-6565-7070-7562-6870-7572-8060-6570-7570-7570-75
5Compre-ssive Strengthkgf/cm240-5045-5565-7575-8565-7575-8580-9065-7585-100115-125115-125
6Water Absorption%000.0150.0130.015000000
7Thermal Condu-ctivity10-4 cal cm S0C66899131414171919
8Dielectric StrengthKv/mm2430-35161216222ConductiveConductiveConductive
9Volume Resistivityohm cm10181020101510151015104104103107107107
10Surface Resistivityohm101510181015101510151071071061091091010