Phone:
(818) 240-9313 |
Common Name/ |
Natural or Synthetic Rubber | SBR or GR-S or Buna S | Butyl | EPDM or EP Rubber | Neoprene | Nitrile or NBR or Buna-N | Silicone | Viton |
Chemical Name |
Natural or Poly-isoprene | Styrene Butadiene | Isobutylene Isoprene | Ethylene Propylene | Chloroprene | Acylonitrile Butadiene | Polysiloxane | Fluoroelastomer |
Maximum Use Temperature (Ref) |
70° C | 70° C | 100° C | 100° C | 125° C | 100° C | 200° C | 200° C |
Material
Designation |
AA | AA | AA | BA,CA,DA | BC,BE | BF,BG,BK,CH | FC,FE,GE | HK |
ASTM Designation |
NR | SBR | IIR | EPDM | CR | NBR | PS,PVS,SI,VSI | FKM |
Tensile
Strength (psi) |
Over 3000 | Over 2000 | Over 2000 | Over 2000 | Over 2000 | Over 2000 | Over 1200 | Over 1500 |
Hardness Range (Durometer A) |
30-90 | 40-90 | 40-75 | 50-90 | 20-80 | 40-95 | 40-80 | 55-80 |
Adhesion to Metals |
Excellent | Excellent | Good | Good | Excellent | Excellent | Excellent | Good |
Adhesion to Fabrics |
Excellent | Good | Good | Good | Excellent | Good | Excellent | Fair |
Tear Resistance |
Very Good | Fair | Good | Fair | Good | Fair | Poor | Fair |
Abrasion Resistance |
Excellent | Good to Excellent | Good | Good to Excellent | Very Good | Good | Poor | Fair |
Compression Set |
Excellent | Good | Fair | Good | Good | Good | Very Good | Good |
Resilience |
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Cold |
Excellent | Good | Poor | Good | Good | Good | Excellent | Good |
Hot |
Excellent | Good | Very Good | Very Good | Very Good | Good | Excellent | Good |
Dielectric Strength |
Excellent | Good | Good | Outstanding | Very Good | Poor | Good | Good |
Electrical Insulation |
Good to Excellent | Good | Good | Outstanding | Fair to Good | Poor | Excellent | Fair to Good |
Impermeability to Gases |
Good | Fair | Outstanding | Good | Good | Good | Fair | Good |
Acid Resistance |
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Mild Dilute |
Fair to Good | Fair to Good | Excellent | Excellent | Excellent | Fair to Good | Excellent | Excellent |
Strong Concentrated |
Fair to Good | Fair to Good | Good | Good | Good | Good | Fair | Excellent |
Solvent Resistance |
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Aliphatic Hydrocarbons |
Poor | Poor | Poor | Poor | Fair to Good | Excellent | Poor | Excellent |
Aromatic Hydrocarbons |
Poor | Poor | Poor | Poor | Poor | Poor | Poor | Excellent |
Oxygenated (Ketones, etc) |
Poor | Poor | Good | Good | Poor | Poor | Poor | Poor |
Lacquer Solvents |
Poor | Poor | Poor | Poor | Poor | Poor | Poor | Good |
Resistance To: |
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Swelling
in |
Poor | Poor | Poor | Poor | Good | Very Good | Poor | Excellent |
Oil and Gasoline |
Poor | Poor | Poor | Poor | Good | Excellent | Fair | Excellent |
Animal Oils |
Poor | Poor | Fair | Fair | Fair | Excellent | Good | Excellent |
Water Absorption |
Very Good | Very Good | Very Good | Very Good | Good | Very Good | Excellent | Excellent |
Oxidation |
Good | Fair | Excellent | Excellent | Very Good | Good | Excellent | Excellent |
Ozone |
Poor | Poor | Fair to Good | Outstanding | Very Good | Fair | Excellent | Excellent |
Sunlight Aging |
Poor | Poor | Very Good | Outstanding | Very Good | Poor | Excellent | Excellent |
Heat Aging |
Fair | Good | Good | Very Good | Good | Good | Outstanding | Excellent |
Low Temperature |
Very Good | Very Good | Good | Very Good | Good | Fair to Good | Outstanding | Excellent |
Flame |
Poor | Poor | Poor | Poor | Good | Poor | Fair | Very Good |
Vegetable Oils |
Poor | Poor | Fair | Fair | Good | Good | Poor | Excellent |
Chlorinated Hydrocarbons | Poor | Poor | Poor | Poor | Poor | Fair | Poor to Fair | Excellent |
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