San Diego Plastics
2220 McKinley Avenue
National City  CA  91950
800/925-4855   619/477-4855   FAX 619/477-4874

Resin Properties

Property ASTM Units PTFE FEP PFA TEFZEL* ETFE CTFE Halar ECTFE
Specific Gravity D 792   2.13-2.14 2.13-2.15 2.15 1.7 2.12 1.68
Tensile Strength D 1708 PSI 2,500-4,000 3,400 3,600 7,500 5,000 4,300
Elongation D 1708 % 200-400 3,400 300 100-300 150 250
Hardness-Durometer D 2240 Shore D 50-65 56 60 63-72 80 75
                 
Water Absorption D 570 % <0.01 <0.01 <0.03 <0.03 <0.00 <0.1
                 
Melting Point D 3418 F 635-650 495-505 575-590 490-535 410 464
Upper Service Temp. UL 746B F   400 500 302 248 300
(20,000 h)                
Heat of Fusion D 3417 BTU/lb 29-37 10.1 1.3 2.0    
Heat of Combustion D 240 BTU/lb 2,200 2,200 2,200 6,100    
                 
Flammability ANSI/UL 94   VO VO VO VO VO VO
All properties presented in this table should be considered typical values. These properties should not be used to establish specification limits nor used alone as a basis for design.


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