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Water swellable rubber sealing is our independent research and develop product with feature moisture curing, water swelling, elastic sealant. Based on polyurethane pre polymer and containied special grafted urethane paste, it has double sealing mechanism such as met water volume expansion and elastic sealing. In case of water swelling rubber sealing is mainly used for sewing on the construction of industrial and civil building underground engineering, municipal tunnel, engineering protection, mountains and the underwater tunnel, underground railways, sewage treatment pond engineering 1. It has a good swelling 2. The price is low and quality is high 3.Durability, low quality change rate 4.Good chemical resistance: resistance to hydrochloric acid, water, sodium carbonate, potassium hydroxide 5.Can be directly used in drinking water engineering, safety, non-toxic, environmentally friendly products Related products 
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