Ethylene Vinyl Acetate EVA
Teats, handle grips, flexible tubing, record turntable mats, beer tubing, vacuum, cleaner hosing.
Flexible (rubbery), transparent, good low temperature flexibility (-70'C), good chemical resistance, high friction coefficient.
Tensile Strength 0.05 - 0.2 N/mm²
Notched Impact Strength no break Kj/m²
Thermal Coefficient of expansion 160 - 200 x 10-6
Max Cont Use Temp 55 - 65 oC
Density 0.926 - 0.950 g/cm3
RESISTANCE TO CHEMICALS
Dilute Acid ****
Dilute Alkalis ****
Oils and Greases ***
Aliphatic Hydrocarbons ****
Aromatic Hydrocarbons *
Halogenated Hydrocarbons *
KEY * poor ** moderate *** good **** very good
CURRENT CASE STUDIES
Teats on feeders moulded in ethylene vinyl acetate. The flexibility is obtained without the use of added plasticisers.