| BASE |
Sferoidal grafite Ghisa a grafite sferoidale. |
| RUBBER(*) |
Ebonite (hard rubber), soft rubber (antiabrasive), butyle, neoprene, EPDM, Hypalon. |
| GLASS LINING(*) |
Borosilicate glass, high acid resistance. |
| HALAR |
Resistance to most chemichal fluids |
| POLIPROPILENE(*) |
High abrasive resistance for water treatment and fluids. |
| PVDF(*) |
Best resistance for acids and basic products. |
| ETFE(*) |
Etilene-tetrafluoroetilene (TefzelŪ), good resistence to chemical products and high temperature. |
| PFA(*) |
Fluoroetilene-perfluoroalchilviniletere (perfluoroalkoxy), high resistence to chemichal agents and to high temperatures. |
