... joints 4.Various type and corlor Specification Item No.Rubber water stopProduct characteristics1. High-Elastic,high tensile strength, tear strength, ... non-pollution, harmlessness, used in the waterproof of drinking-water pool.2.can be constructed on the wet base surface ... advance, 70% balance should be against BL copy.Technique Data NO.ItemIndexBSJ1Hardness, Shore A60±560±560±52 Tensile Strength, Mpa ...