1.Water-proof Rubber Water Stop Sheet 2.Used for block dam subway,culverts 3.tunnels underground building 4.high elastic ... proof Rubber Water Stop Sheet 1. Block dam, reservoir, the subway, culverts, tunnels underground building 2. Roofing and other building material ... filler, plasticizer and other addition agent first, then get vulcanized.2) It is used on ballastless track, it can transfer horizontal ...