prov:value
| - a rubber mixture, particularly natural rubber (NB), epoxidized natural rubber (E-NR), isoprene rubber (IR), butadiene rubber (BR), acrylate rubber (ACM), styrene-butadiene rubber (SBR), or blends of these types of rubber, especially NR/SBR- or NR/BR-blends, as well as the usual mixing ingredients such as fillers, plasticizers, anti-ageing media, and other additives, if need be:
|