Polyurethane Rubber and Ptfe Seals : Standard Elastomers

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MACHINABLE ELASTOMERS - CHARACTERISTICS AND APPLICATIONS
Elastomer
ISO 1629
Hardness
Sh.A
Temperature range
°C
Product Code Applications
Nitril-butadien
NBR
85
90
-25 +100
-10 +110
N85-N116
N90-N047
Hydraulic oil, water up to 90°C, air up to 100°C, non-aromatic hydrocarbons, glycol and water/glycol mixtures
85 -22 + 100 N85-B115 FDA approved for food processing, pharmaceuticals and cosmetics
Hydrogenated Nitril-Butadien
HNBR
85 -25 +150 H85-N120 An even greater chemical resistance range in comparison to the normal NBR
Polyurethane
AU
95 -30 +105
-30 +105
P95-G114
P95-A112
Wear and hydraulic oil resistant, suitable for very high pressures
95 -30 +105 P95-B113 FDA approved for food processing, pharmaceuticals and cosmetics
Fluorurocarbon
FPM
85 -25 +210 V85-N117 High temperatures, aggressive chemicals, hydrocarbons, petrol, phosphoric esters, chlorinated hydrocarbons, high vacuum

85

-15 +210

V85-N137

Brake fluids, Sour Gas, acids, hydraulic oil and oils with aminic additives
Ethylene-Propylene
EPDM
85 -50 +130 E85-N118 Brake fluids, Phosphoric esters, diluted alkali, ketones, alcohols, water and steam up to 150°C
85 -50 +100 E85-B134 Food and Drug
Chloroprene
 CR
70 -50 +150 C70-N054 Refrigerant gases, oils with a high aniline point, optimum resistance to atmospherical agents
Silicone
MVQ
85 -55 +210 S85-R119 Food and Drug, FDA 177.2600