Supply Henan BW swellable sealing of price categories; BW water expansion of the seal manufacturing expansion rate, the price points PJ220 and PJ400 features a. 
 Because the case of wet hardened single liquid type, excellent construction. Two water swelling sealing effect can be more reliably play. Concrete, metal, glass paste is very good. 
 Swellable super-sealing plastic sealing material PJ220 and PJ400 as construction excellent sealing material, is the expansion of the water of the critically acclaimed single-liquid type sealant. A hardened into a good recovery rubber elastomer, after immersion in water volume expansion, filling the gap to play the exact sealing effect. As civil engineering, construction engineering waterways peripheral sealing material can play a good performance, use very wide. 
 PJ220 and PJ400 features composite GB: JG/T312-2011 
 Expansion for the determination of water swellable super-sealing plastic sealing material PJ220 and PJ400 water conditions ● after hardening (7 days) soaking in water, determination of its rate of increase of volume. 
 ● the size of the test piece: 40X2X40mm ● Water temperature: 20 ± 5 ° C expansion rate due to the shape of the coating cross-section varies. 
 Use of water swellable super-sealing plastic sealing material PJ220 and PJ400 

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 Hengshui the Longsheng Engineering Rubber Co., Ltd. Rubber City is located in Hengshui City, very convenient traffic conditions, Hengshui the Longsheng Engineering Rubber Co., Ltd. specializing in the production of rubber water-stop the waterstops series, water expansion of the seal, bridge expansion joints, two-component polysulfide sealant . Set of technology development, production and operation in one, until the water, drainage, bridge engineering, high-tech, high-quality engineering rubber accessory products. The products are widely used in underground facilities, tunnel and culverts, water aqueducts, dams, liquid storage structures, storage tank, sedimentation tank, subway, highways, railways and so on. Produced rubber water-stop, water expansion of the seal, the two-component polysulfide sealant, expansion joints, bridge bearings and other products has been the Beijing-Tibet high-speed, Wuhan airport viaduct rail Guangzhou, Zhuzhou Civic Center water diversion project, the Beijing Subway Line No. 8, the underground part of the Guangzhou Asian Games main stadium, Nanjing Inner Ring Road tunnels and other major projects, has won a wide range of social praise.