Types of Materials
Different technical fields of applications of molded rubber parts do require different types of materials. The material is selected to meet customer requirements and based on our extensive experience.
Our own in-house development and more than 2,000 existing material formulations enable us to quickly and flexibly determine the best material for our customers exact need. We will consider all customer-specific standards, regulations and the specific national regulations. We can process all currently known elastomers.
Table of Materials
Table of Materials
Material | International short name | Trade names of the polymer | Shore A Hardness | Tensile strength up to (Mpa) | Compressiondeformingresist | Abrasion strength | Tear resistance | Elasticity | Temperature application range (from/to) | Electrical insulation resistance | Mineral oil (depending on aromatic gelatin and additives | Aliphatic hydrocarbons such as gasoline | Aromatic hydrocarbons such as benzene, toluene | Chlorinated hydrocarbons such as trichloroethylene | Concentrated acids | Diluted acids | Hot water / steam | Oxygen / Ozone | Ultraviolet light |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Natural - rubber | NR | SVR SMR | 30-90 | 30 | + | ++ | ++ | ++ | -50/+80°C | ++ | - | - | - | - | O | O | - | O | Θ |
| Isoprene Rubber | IR | Natsyn Cariflex | 30-85 | 25 | + | + | + | + | -50/+90°C | ++ | - | - | - | - | O | O | - | O | Θ |
| Styrene - Butadiene - Rubber | SBR | KER Europrene Buna | 35-95 | 25 | + | ++ | + | + | -50/+90°C | + | - | - | - | - | O | O | - | O | Θ |
| Butadiene - Rubber | BR | Intene Buna CB | only in blending | 10 | + | ++ | Θ | ++ | -55/+90°C | + | - | - | - | - | O | O | - | O | Θ |
| Ethylene - Propylene - Diene - Rubber | EPDM | Keltan Nordel Vistalon | 25-90 | 20 | ++ | + | + | + | -50/+130°C | ++ | - | - | - | - | ++ | ++ | ++ | ++ | ++ |
| Butyl - Rubber | IIR / BIIR / CIIR | X_Butyl Exxon Butyl | 30-80 | 15 | Θ | O | + | - | -40/120°C | + | - | - | - | - | + | ++ | O | ++ | ++ |
| Nitrile - Rubber | NBR | Perbunan Krynac Europrene | 30-95 | 25 | + | + | + | + | -40/+100°C | - | ++ | + | - | - | O | O | - | O | O |
| Hydrogenated Nitrile - Rubber | H-NBR | Therban Zetpol | 45-90 | 30 | ++ | ++ | + | + | -30/+150°C | O | ++ | + | Θ | - | O | O | O | + | + |
| Chloro - prene - Rubber | CR | Baypren Neoprene Denka | 40-80 | 20 | O | + | + | + | -40/+100°C | Θ | O | O | - | - | + | + | - | + | ++ |
| Epichlor - hydrin - Rubber | ECO | Hydrin Epichlomer | 50-90 | 15 | + | O | + | O | -40/+120°C | - | ++ | + | Θ | Θ | Θ | + | - | + | + |
| Polynor - bornen - Rubber | PNR | Norsorex | 15-40 | 10 | O | Θ | Θ | O | -40/+90°C | + | - | - | - | - | Θ | O | - | + | + |
| Polyur- ethane - Rubber | PUR | Urepan Millathane | 50-95 | 40 | O | ++ | + | + | -30/+80°C | + | + | + | - | - | - | Θ | - | + | + |
| Silicone - Rubber | VMQ | Elastosil Silopren Silastic | 30-90 | 10 | ++ | Θ | Θ | + | -60/+250°C | ++ | O | - | - | - | Θ | Θ | - | ++ | ++ |
| Fluorine - Silicone - Rubber | F-VMQ | Silastic Silopren Shin-Etsu | 40-80 | 8 | ++ | Θ | Θ | O | -50/+200°C | ++ | + | + | Θ | Θ | O | O | - | ++ | ++ |
| Fluorine - Rubber | FKM / FPM | Viton Dyneon DAI - EL | 50-90 | 20 | + | O | O | Θ | -20/+200°C | Θ | ++ | ++ | + | ++ | ++ | ++ | + | ++ | ++ |
| Ethylene - Acrylate - Rubber | AEM | Vamac | 50-80 | 15 | + | O | + | O | -40/+180°C | + | + | + | O | Θ | Θ | O | Θ | ++ | ++ |
| Acrylate - Rubber | ACM | Nipol AR Hy Temp | 50-80 | 15 | + | O | + | O | -30/+175°C | + | ++ | + | O | Θ | Θ | O | - | ++ | ++ |
| Ethylene - Vinyl acetate - Rubber | EVA | Levapren Elvax | 60-85 | 15 | ++ | O | O | + | -25/+175°C | O | + | O | - | - | Θ | + | Θ | ++ | ++ |
Material Compound Certificates
Color options and application specifics are available upon request.
Material | International short name | Shore A Hardness | KTW cold | KTW warm | Elastomer guideline cold | Elastomer guideline warm | DVGW W270 | DVGW DIN EN 549 | WRAS cold | WRAS hot | ACS | NSF 61 hot | AS/NZS | EN 681-1 WC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ethylene - Propylene - Diene - Rubber | EPDM | 60-85 | X | X | X | X | X | X | X | X | X | |||
| Silicone - Rubber | VMQ | 30-80 | X | X | X | X | X | X | ||||||
| Nitrile - Rubber | NBR | 70-80 | X |
