| Inner Bore: |
|
White, smooth, food quality EPDM. |
| Reinforcement: |
|
Synthetic plies, high resistance. White food quality rubber. |
| Outer Bore: |
|
Grey, smooth synthetic rubber. Good esistance to abrasive product, ozone and atmospheric factors. |
| Norms: |
|
FDA 21 CFR 177.2600, B.f.R. Type II, U.S.P. Physicochemical 661 |