Properties |
Natural
Isoprene |
Nitrile
N.B.R |
Neoprene
C.R. |
Hypalon |
Butyle |
EPDM |
Silicone |
Viton
Fluoro
Carbon |
Poly urethane |
Hardness Rang
(Durometer) |
30-90 |
20-10 |
30-95 |
40-95 |
35-85 |
40-90 |
25-85 |
55-95 |
60-90+ |
Tensile Strength (PSI) |
3000 |
3500 |
3000 |
2500 |
2000 |
3000 |
1100 |
1800 |
4000 |
Specific Gravity |
0.93 |
1.00 |
1.23 |
1.12-1.2 |
0.92 |
0.86 |
0.98 |
1.85 |
1.06 |
Specific Gravity
(Base Material) |
0.93 |
1.00 |
1.23 |
1.12-1.2 |
0.92 |
0.86 |
0.98 |
1.85 |
1.06 |
Vulcanizing Properties |
E |
E |
E |
E |
F |
E |
E |
G |
E |
Adhesion to metals |
E |
E |
E |
E |
F |
E |
F |
G |
E |
Adhesion to Fabrics |
E |
E |
E |
G |
F |
G |
F |
E |
E |
Tear Resistance |
G |
F |
G |
F |
G |
G |
P |
F |
E |
Abrasion Resistance |
E |
E |
E |
E |
G |
E |
P |
G |
O |
Compression Set |
G |
G |
G |
G |
E |
G |
G |
G |
F |
Electrical Insulation |
G |
P |
G |
G |
E |
E |
E |
G |
G |
Permeability to Gases |
F |
F |
P |
P |
P |
F |
G |
P |
F |
Acid Resistance |
G |
G |
E |
F |
F |
E |
G |
E |
F |
Dilute Concentrated |
G |
G |
G |
G |
G |
E |
P |
E |
P |
|
Solvent Resistance |
P |
E |
G |
G |
P |
P |
F |
E |
E |
Alipatic Hydro Carbon |
P |
G |
G |
F |
P |
P |
F |
E |
F |
Aromatic Hydro Carbons |
G |
P |
F |
P |
F |
G |
F |
P |
P |
Oxygenated
(Ketone, etc) |
P |
F |
P |
P |
F |
P |
P |
P |
|
Laquer Solvents |
|
|
|
|
|
|
|
|
|
|
Resistance To |
P |
G |
G |
E |
P |
P |
F |
E |
E |
Swelling in Lubracating |
P |
G |
G |
G |
P |
P |
F |
E |
E |
Oil |
P |
G |
G |
G |
G |
G |
F |
E |
E |
Oil & Gasoline |
G |
E |
G |
G |
E |
G |
E |
G |
GP1000C |
Animal & Vegebale
Oil |
G |
F |
E |
F |
F |
E |
E |
O |
E |
Water Absorption |
F |
P |
E |
O |
F |
O |
E |
O |
E |
Oxidation |
P |
P |
G |
O |
F |
O |
G |
O |
G |
Ozone |
|
|
|
|
|
|
|
|
|
Sunlight Ageing |
|
|
|
|
|
|
|
|
|
|
Heat
Ageing (Upp) |
750C |
900C |
950C |
1350C |
1100C |
1450C |
1800C |
2050C |
850C |
Cont. Service |
P |
P |
G |
G |
P |
P |
F |
E |
F |
Flame |
G |
G |
G |
E |
G |
E |
E |
O |
G |
Heat |
E |
F |
G |
G |
G |
E |
E |
G |
E |
Cold |
|
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|
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|
G - GOOD |
P - POOR |
E - EXCELLENT |
F - FAIR |
O - OUTSTANDING |
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