| . |
Elastomer Type
|
Hardness
(ShA)
|
Working
Temperature
(°C)
|
Characteristic Specifications
|
|
NR
SBR
|
Sitren Butandien
Styrene Butadiene
Rubber
|
20 - 95
|
80°C
|
Perfect mechanical characteristics
Abrasion, tear, elasticity, break off
|
|
EBONITE
|
Black Stone
|
(80-85) ShD
90 ShD(O P&J ) |
100 °C
125 °C
|
High abrasion resistance, Low
friction value
|
|
CR
|
Cloropren
|
25 - 90
|
120 °C
|
High mechanical characteristics.
Endurance against acids and bases
|
|
CSM
|
Hypalon ®
Chloro Sulphonated
Polyethylene
|
40 - 90
|
140 °C
|
Perfect resistance against heat and
mechanical characteristics.
Chemical strength
|
|
E.P.D.M
|
Etylene - Propylene
diene rubber
|
40 - 90
|
140 °C
|
Long life in ozone and ultraviolet
rays. High resistance against acids,
alkali and alcohols
|
|
NBR
HNBR
|
Nitril
acrylonitrile butodiene
(Nitrile) Rubber
|
20 - 95
70 - 90
|
110 °C
150 °C
|
High resistance against oils, acids,
and solvents
|
| VMQ |
Silicone
|
40 - 80
|
-110 + 250°C
|
High elasticity
High heat resistance
Resistance against ozon and corona
|
|
FCM
|
Flouro-carbon
|
60 - 80
|
330°C
|
High heat and ozone endurance
|
|
PUR
|
HPPU
|
30 - 95
|
100°C
|
Perfect mechanical characteristics,
resistance against chemical
|
|
PUA
|
60 - 95
|
80°C
|
Perfect abrasion capability, high
endurance against solvents
|
|
PUE
|
25 - 95
|
90°C
|
High endurance against acids
|
