NR is currently still predominantly obtained as natural latex from the rubber tree.
However, a growing proportion of the industrial demand is made synthetically through petrochemical processes.
Natural rubber boasts relatively high strength and elasticity.
Due to its flexibility – even at low temperatures, it is often used for engine mounts and rubber and metal spring elements.
However, a growing proportion of the industrial demand is made synthetically through petrochemical processes.
Natural rubber boasts relatively high strength and elasticity.
Due to its flexibility – even at low temperatures, it is often used for engine mounts and rubber and metal spring elements.
| Short designation | NR |
| Brand name | |
| Chemical description | Natural rubber |
| Mechanical properties | |
| Hardness range [Shore A/D] | 30 – 90 |
| Wear resistance | Good |
| Tensile strength [MPa] | 10 – 30 |
| Physical properties | |
| Density [g/cm³] | 1.35 |
| Application temperatures | |
| Temperature range, short-term [°C] | -50 – 100 |
| Temperature range, continuous [°C] | -30 – 80 |
| Other properties | |
| Flammability according to UL 94 | Burns |
| Chemical resistance | |
| Mineral grease and oils | - |
| Petrol | -- |
| Weak/strong acids | -/-- |
| Weak/strong alkalis | +/o |
| Perchloroethylene | -- |
| Trichloroethylene | -- |
| Acetone | o |
| Alcohols | ++ |
| Brake fluid | ++ |
| Hydrolysis resistance (hot water) | + |
| Weather/UV radiation | + |
++ very good / + good / o satisfactory / - moderate (significant change to properties) / -- unsuitable
This information is for reference only; we do not assume any liability for its accuracy. The properties of elastomer materials are highly dependent on their specific composition and their additives.