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Features:
Seal Materials
Designation
Commercial Denomination

General characteristics

Typical Application
NBR
(Acrylic-nitrile butadylene)
BUNA -N PERBUNAN ELAPRIM
JSR-N
A synthetic elastomer with good mechanical and thermal properties.
Good resistance to oils. Poor resistance to ozone and atmospheric derivatives.
Water (max T=+158°F)  Air (max T=+194°F)
Mineral oils and their derivates, hydrocarbons, methane, ethane, propane,
butane, kerosene oil, fuel oil..
EPDM
(Ethylene-propylene-dylene)
BUNA – AP DUTRAL NORDEL
 A synthetic elastomer derived from the co-polymerization of ethylene and propylene.
Suitable for use with non-phosphoric based hydraulic fluids(hold).
Water and steam to a max. temp. of +284°F.        Not suitable for use with mineral based products.(oil, grease , fuel oils and petrol)		 Hot water and steam.
Detergents. Potassium and sodium solutions.
Hydraulic fluids. Polarised solvents. *
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 use up to +284°F
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 use up to +356°F
*Warning: Don’t use with mineral oils and fats
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