General properties of the most customary rubbers
| Chemical indication | Natural rubber | Styrene butadiene rubber | Acryl nitrite Butadien rubber (Nitrile) | Chloroprene rubber (neoprene) | Isobutylene rubber (Butyl) |
|---|---|---|---|---|---|
| International abbreviation | N.R. | S.B.R. | N.B.R. | C.R. | I.I.R. |
| Max. temperature range °C | |||||
| Dry air | +70 | +70 | +90 | +90 | +90 |
| Hot oil | - | - | +120 | +60 | - |
| Hot water | +70 | +80 | +90 | +70 | +100 |
| Min. temperature range °C | -40 | -30 | -20 | -30 | -30 |
| General resistance to: | |||||
| Mineral oil and fats | poor | poor | excellent | good | poor |
| Animal and vegetable oils and fats | poor/moderate | poor/moderate | excellent | good | good |
| Acids diluted | poor/moderate | poor/moderate | good | excellent | very good |
| Acids concentrated | poor/moderate | poor/moderate | good | good | good |
| Solvents aliphates; benzine, etc. | poor | poor | excellent | poor/moderate | poor |
| Aromatic compounds; toluene, benzene | poor | poor | poor | moderate | poor |
| Esters; ethers, alcohols | good | good | good | moderate/poor | good |
| Chlorinated; tetra, tri etc. | poor | poor | moderate | poor | moderate/good |
| Water absorption | very good | good/very good | good | good | very good |
| Sunlight +ozone | poor | poor | moderate | very | good poor |
| Elasticity | excellent | good | moderate/good | moderate/good | poor |
| Permanent deformation | good | good | good | good | moderate |
| Resistance to wear | excellent | very good | good | very good | moderate/good |
| Gas permeability | fairly limited | fairly limited | limited | limited | very limited |
| Electrical insulation | good/very good | good/very good | poor | moderate/good | good/very good |
| Hardness range (Shore A) | 30-90 | 40-90 | 40-95 | 40-95 | 40-75 |
| Note: This assessment must not be considered as binding. Consult the resistance list [here] | |||||
| Chemical indication | Ethylene Propylene rubber | Chloorsulfoneerd polyethylene rubber (Hypalon) | Fluoroelastomer (Viton®) | Silicone rubber | Polyurethane rubber |
|---|---|---|---|---|---|
| International abbreviation | E.P.D.M. | C.S.M. | F.P.M. | S.I.(Q) | PUR (AU) |
| Max. temperature range °C | |||||
| Dry air | +70 | +70 | +90 | +90 | +90 |
| Hot oil | - | +60 | +200 | - | +60 |
| Hot water | +120 | +100 | +150 | +100 | +40 |
| Min. temperature range °C | -50 | -10 | -20 | -60 | -20 |
| General resistance to: | |||||
| Mineral oil and fats | poor | good | excellent | moderate | good |
| Animal and vegetable oils and fats | good | good | excellent | good | good |
| Acids diluted | excellent | excellent | excellent | excellent | moderate |
| Acids concentrated | good | good | excellent | moderate | poor |
| Solvents aliphates; benzine, etc. | poor | moderate/good | excellent | poor | moderate/good |
| Aromatic compounds; toluene, benzene | poor | moderate | excellent | poor | poor |
| Esters; ethers, alcohols | excellent | moderate/poor | poor | moderate | poor |
| Chlorinated; tetra, tri etc. | moderate/poor | poor | moderate/poor | poor | poor |
| Water absorption | excellent | good | very good | excellent | very good |
| Sunlight +ozone | excellent | excellent | excellent | excellent | good |
| Elasticity | moderate/good | moderate | moderate | moderate | good |
| Permanent deformation | good | moderate | excellent | moderate | moderate |
| Resistance to wear | good | very good | good | poor | moderate/good |
| Gas permeability | fairly limited | limited | fairly limited | fairly limited | fairly limited |
| Electrical insulation | excellent | good | good | excellent | good |
| Hardness range (Shore A) | 40-90 | 40-95 | 50-90 | 30-85 | 50A-75D |
| Note: This assessment must not be considered as binding. Consult the resistance list [here] | |||||
