Conventional Material Properties Reference Tables Used in AOD Diaphragm Pumps
| Rubber Material Properties Ranking | ||||||||
| Item | Weak |
 | Strong | |||||
| Mechanical Strength | Silicone | Low Elasticity | Butyl | EPDM | Nitrile (NBR) | FKM | Neoprene | PU |
| Weather Resistance | Nitrile (NBR) | Low Elasticity | Neoprene | PU | Butyl | Silicone | EPDM | FKM |
| Abrasion Resistance | Silicone | Low Elasticity | Butyl | EPDM | Neoprene | PU | Nitrile (NBR) | FKM |
| Heat Resistance | Low Elasticity | PU | Nitrile (NBR) | Neoprene | Butyl | EPDM | Silicone | FKM |
| Oil Resistance | Butyl | EPDM | Low Elasticity | Silicone | Neoprene | PU | Nitrile (NBR) | FKM |
Chemical Chart of Materials
Material Name | Working Temperature Limited F(℃) | Level 1~5 (Level 5 is the best) | ||
Chemical Resistance | Wear Resistance | Flexibility | ||
Buna-N | -10(-23) ~190(88) | 1 | 2 | 3 |
PTFE- Diaphragm | -35(-37) ~ 220(104) | 5 | 2 | – |
EPDM | -40（-40）~280（138） | 4 | 4 | 4 |
Viton | -40（-40）~350（177） | 4 | 2 | 1 |
Neoprene | -10（-23）~200（93） | 1 | 3 | 3 |
PP | +35（2）~175（79） | 4 | 2 | – |
Santoprene | -40（-40）~275（135） | 4 | 5 | 5 |
PVDF | +10（-12）~200(93) | 5 | 2 | – |
TPO | -40(-40)~239(115) | 4 | 5 | 3 |
