| 摘要 |
<p>The invention concerns a valve seal for sealing a fluid product dispensing device comprising a valve, in particular a metering valve, mounted on a product reservoir. The invention is characterised in that said seal comprises a vulcanized ethylene-vinyl acetate (EVA) and/or vulcanized butyl-acetate (IIR) or halobutyl-acetate (CIIR or BIIR) alloy with one or several material(s) selected in the group consisting of polyoctene ethylene (POE), ethylene propylene (EP), ethylene propylene diene (EPDM) and chloropene (CR), all these materials being vulcanized.</p> |
