发明公开
EP0702929A1 Washable floor mats with ozone resistance 失效
WaschbareTürmattemit Ozonwiderstand

Washable floor mats with ozone resistance
摘要:
A lightweight dust control mat having enhanced resistance to oxidation and ozonation is provided. The mat includes a rubber backing sheet with a base rubber of NBR or SBR mixed with a polar polymer additive and a chemical blowing agent. The ratio of the base rubber to the polymer additive is between about 1.2 and 9. Following vulcanization, the rubber sheet has a specific gravity of less than about 0.98 and a Bayer ozone cracking incidence factor of 4 or less.
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