PTFE Elastomer Physical Properties

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1 PTFE Property ASTM Method Value Specific Gravity D Tensile Strength D4894 4,360 psi Break D % Compressive Modulus 50, % 5% Strain 1,050 psi 1,660 psi Hardness D Shore D PTFE meets the following certifications: FDA, Class VI, 3A and ADI Free -100ºF to 500ºF (-73ºC to 260ºC) The preceeding data gives the typical properties of PTFE material. These are typical properties and should not

2 Tuf-Steel Property ASTM Method Value Base Material D4894 PTFE Filler 316 Stainless Steel Color Grey Specific Gravity D Tensile Strength D4894 1,780 psi Break D % Compressive Modulus 84, % 5% Strain 1,590 psi 2,620 psi Hardness D Shore D Tuf-Steel meets the following certifications: FDA, Class VI, 3A and ADI Free -320ºF to 550ºF (-195ºC to 288ºC) The preceeding data gives the typical properties of PTFE material. These are typical properties and should not

3 FKM Property Tensile Strength Value Min 1,500 psi Break Min 100 Durometer 85 Shore A (+/-5) Specific Gravity FKM meets the following certifications: FDA, Class VI, 3A and ADI Free -30ºF to 400ºF (-34ºC to 204ºC) The preceeding data gives the typical properties of FKM material. These are typical properties and should not

4 Platinum Silicone Property* Test Method Value Appearance WSTM 2298 Translucent Specific Gravity, 25ºC WSTM Extrusion Rate Catalyzed, 25ºC g/min** WSTM Pot Life, hrs, 25ºC*** WSTM ºF to 450ºF (-40ºC to 232ºC) Press Cured 5 min/166ºc Post Cured 4 hr/204ºc Hardness, Shore A WSTM Tensile Strength WSTM MPa 1,400 psi 9.66 MPa 1,400 psi Elongation, % WSTM Tear Strength, die B WSTM 1160 Compression Set, Method B (22 hr/177ºc) kn/m 190 psi kn/m 130 psi WSTM Shrink, % WSTM Brittle Point, ºC ASTM D746 N/A -73 Silicone meets the following certifications: FDA, Class VI, 3A and ADI Free *Properties obtained after mixing Part A and Part B in a ratio of 1:1. **Extrusion rate obtained at 90 psi and inch orifice. ***Pot life determined by time required for extrusion rate to be reduced to 50% of initial value. The preceeding data gives the typical properties of Silicone material. These are typical properties and should not

5 Buna Property ASTM Method Value Shore A Durometer, Points Tensile Strength Ultimate Elongation,,, 68 1,392 psi 527% Specific Gravity D Compression Set D Method B 84.8% Tear Resistance D lbf/in -30ºF to 200ºF (-34ºC to 93ºC) The preceeding data gives the typical properties of Buna material. These are typical properties and should not

6 EPDM Property Test Method Value Base Polymer EPDM Durometer Shore A Tensile Strength Ultimate Elongation 300% Modulus psi 605% 632 psi Tear Resistance D (32.9 kn/m) Compression Set D395-98, Method B 34.1% Brittle Point, ºC ASTM D746 N/A EPDM meets the following certifications: FDA, Class VI, 3A and ADI Free -30ºF to 300ºF (-34ºC to 149ºC) The preceeding data gives the typical properties of EPDM material. These are typical properties and should not