The following table will give you an idea about the various types of mostly used rubber to make industrial products with their properties. Selection can be made based on the requirement.
Here are some common applications of Material Selection Chart:
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Rubber Raw Material Selection Chart | ||||||
Properties | Natural Rubber | EPDM Rubber | SBR | NBR | Silicone Rubber | Viton Rubber |
---|---|---|---|---|---|---|
Hardness in Shore A | 40-90 | 40-85 | 40-95 | 40-95 | 40-80 | 50-95 |
High Temp resistance °C | 105 | 105 | 115 | 130 | 230 | 250 |
Low Temp resistance °C | -50 | -50 | -55 | -20 | -60 | -20 |
Oxidation Resistance | Fair | Excellent | Fair | Good | Excellent | Outstanding |
Ozone and Weather | Poor | Outstanding | Fair | Fair | Outstanding | Outstanding |
Oil Resistant | Poor | Fair | Poor | Excellent | Excellent | Excellent |
Solvant resistance: | ||||||
Alcohol | Good | Good | Good | Good | Good | Good |
Acetone | Fair | Good | Fair | Poor | Poor | Good |
Chemical resistance: | ||||||
Acids | Good | Good | Good | Good | Fair | Excellent |
Bases | Good | Good | Good | Fair | Fair | Good |
Physical strength | Excellent | Good | Good | Good | Poor | Good |
Compression set | Good | Good | Good | Good | Good | Good |
Tear and Abrasion | Excellent | Good | Good | Good | Poor | Good |
Electrical strength | Excellent | Excellent | Excellent | Poor | Excellent | Good |
Flame resistance | Poor | Poor | Poor | Poor | Good | Outstanding |
Water resistance | Very good | Excellent | Fair | Good | Good | Good |
This is a generic selection criteria. Final application value would depend upon the compounding and process parameters. |
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