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Features:
Seal Materials
Designation
Commercial Denomination

General characteristics

Typical Application

NBR
(Acrylic-nitrile butadylene)
BUNA -N PERBUNAN ELAPRIM
JSR-N
Synthetic elastomer with good mechanical and thermal properties. Good resistance to oils.
Poor resistance to ozone and atmospheric derivates.
Water at max temp. 70°C;
Air with max temp. 90°C; Mineral oils and their derivatives, hydrocarbons; methane; ethane; propane; butane; kerosene & fuel oil.
EPDM
(Ethylene-propylene-dylene)
BUNA – AP DUTRAL NORDEL
Synthetic elastomer derived from the co-polymerization of ethylene and propylene. Suitable for use with non-phosporic based hydraulic fluids. Water and steam to a max temp. of 140°C. Not suitable for use with mineral based products (oil, fats, fuel oils and petrol) Hot water and steam; detergents; potassium and sodium solutions. Hydraulic fluids;polarised solvents; Skydrol 500 and 700             *
FPM
(Fluorocarbon)
VITON
TECNOFLON
FLUOREL
A sysnthetic elastomer derived from fluirine-propylene. Excellent resistance to the high temp. Excellent resistance to ozone, oxygen, mineral oils, synthetic hydraulic oil, petrol, hydro-carbons and many other chemical agents. Not suitable for use with superheated steam. For general uses up to 130°C
PTFE
(Polytetra-
fuorethylene)
TEFLON
Thermoplastic material used also filled with a mineral resin. Excellent resistance to many chemicals. Optimum high temp. Resistance. Poor charpy, improved by adding mineral filling. For general uses up to 160°C
*Warning: Don’t use with mineral oils and fats
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