Fluoroplastics PTFE FEP
APPLICATIONS
Non-stick coating, gaskets, packings, bearings, high and low temperature electrical and medical applications, laboratory equipment, pump parts, thread seal tape.PROPERTIES
Semi-rigid, translucent, exceptional low frictioin characteristics, superior chemical resistance, imperious to fungi or bacteria, high temperature stablilty (260'C), low temperature toughness (-160'C), good weathering resistance and electrical propertiesPHYSICAL PROPERTIES
Tensile Strength 0.35 - 0.7 N/mm²
Notched Impact Strength 13 - no break Kj/m²
Thermal Coefficient of expansion 120 x 10-6
Max Cont Use Temp 205 - 250 oC
Density 2.14 - 2.19 g/cm3
RESISTANCE TO CHEMICALS
Dilute Acid ****
Dilute Alkalis ****
Oils and Greases ****
Aliphatic Hydrocarbons ****
Aromatic Hydrocarbons ****
Halogenated Hydrocarbons * variable
Alcohols ****
KEY * poor ** moderate *** good **** very good
CURRENT CASE STUDIES
Thread sealing tape in unsintered PTFE. Good chemical resistance and non-stick properties ensure easy removal of the seal for maintenance.
