| http://www.w3.org/ns/prov#value | - Suitable inert carriers are: polymeric materials including thermoplastics and synthetic and natural elastomers, typical examples of which are polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyvinyl acetate, polybutadiene, polyisoprene, polychloroprene, poly trifluorochloroethylene, polytetrafiuoroethylene, the thermoplastic and elastomeric polymers produced by copolymerization of t
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