The following table will give you an idea about the various types of popular rubber available to make industrial products with their properties:

Properties NR SBR NBR EPDM CR SILICONE VITON
Hardness, A 30-95 40-95 40-95 30-85 30-90 40-80 50-95
Heat
Resistance:
Max Cont.
Deg. C		 75 85 100 130 95 205 205
Max.
Intermittent
Deg. C		 105 115 130 150 125 300 300
Low Temp
Resistance		 -60 -55 -20 -50 -35 -60 -20
Oxidation
Resistance		 Fair Fair Good Excellent Very Good Excellent Out-standing
Ozone and
Weathering 		Poor Fair Fair Out-standing Very Good Out-standing Out-standing
Oil Resistance Poor Poor Excellent Fair Good Excellent Excellent
Solvent: -
Alcohol		 Good Good Good Good Good Good Good
- Acetone Fair Fair Poor Good Fair Fair Poor
- Benzene Poor Poor Poor Poor Poor Poor Good
Chemical: -
Acids		 Good Good Good Good Good Fair Excellent
- Bases Good Good Fair Good Fair Fair Good
Physical Strength Excellent Good Good Good Good Poor Good
Compression Set Good Good Good Good Good Good Good
Tear and
Abrasion		 Excellent Good Good Good Good Poor Good
Resilience Excellent Good Good Very Good Very Good Fair Poor
Gases
Permeability		 Poor Fairly Low Good Fairly Low Very Good Good Very Low
Electrical
Strength		 Excellent Excellent Poor Excellent Good Excellent Good
Flame Resistance Poor Poor Poor Poor Self Extinguishing Good Self Extinguishing
Water
Resistance		 Very Good Fair Good Excellent Good Good Good

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