Plastic Liner Data

Liner Characteristics	PTFE	PFA	PP	PVDF (homopolymer)	PVDF (copolymer)	ETFE
Service Temperature Range, °F1	-20°F to 450°F	-20°F to 450°F	0°F to 225°F	0°F to 275°F	-20°F to 275°F	-20°F to 300°F
Liner Color	White	Natural	Orange3	Black3	Black3	Natural
Color of Liner Identification Band	White w/Black Lettering2	Brown w/White Lettering	Orange w/Black Letter	Black w/White Lettering	Black w/White Lettering	Gray w/White Lettering
Coefficient of Thermal Expansion of Pipe Liner Prior to Lining, in./in./°F	5.5 x 10-5	7.8 x 10-5	4.8 x 10-5	6.6 x 10-5	7.8 x 10-5	7.4 x 10-5
Thermal Conductivity ("K" Factor) of Liner, BTU-in/hr.-sq.ft.-°F	1.7	1.3	0.8	0.9	1.18	1.65
Tensile Strength of Liner at Yield, psi	3,000-4000	3,800-4,500	4,000-4,500	5,000-6,000	4,500-5,500	6700
Elongation of Liner, at Yield, %	250-350	300-350	10-13	8-10	10-20	150-300
Compressive Strength of Liner at Yield, psi	1,700	3,500	5,500 - 8,000	10,000 - 16,000	5,000 - 8,500	2,500
Specific Gravity of Liner	2.14-2.19	2.12-2.17	0.90-0.92	1.75-1.78	1.76-1.78	1.70-1.72

PTFE = polytetrafluoroethylene PFA = perfluoroalkoxy PP = polypropylene PVDF = polyvinylidene fluoride ETFE = ethylene tetrafluoroethylene 1 Max. allowable temperatures depend on the specific contact chemicals. Refer to the Chemical Resistance Guide. 2 10"-12" non-vacuum pipe and fittings band is red with black letters. 3 Available unpigmented as a special option.