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  • SPU-321 Polyurethane Construction Sealant

    “YUHONG”brand SPU-321 Polyurethane Construction Sealant is solidified type macromolecule sealant obtained from double components reaction. Component A is the polyurethane prepolymer is obtained from the polymerization reaction of isocyanate and polyether polyol , component B consists of various auxiliaries such as active hydrogen compounds of polyether polyol and polyamine , of other auxiliaries such as dye, thixotropic agent , antioxidant and catalyst. When used, we mix A and B with a certain proportion and stir into paste, then pour into gap, after chemical reaction, it forms an elastic and firm sealant material.
  • SPU-322 Polyurethane Road and Bridge Joint Sealant

    “YUHONG” brand SPU-322 Polyurethane Road and Bridge Joint Sealant is a synthetic macromolecule sealant by double components solidified reaction. Component A is the polyurethane prepolymer obtained from the polymerization reaction of isocyanate and polyether polyol , component B consists of various auxiliaries such as active hydrogen compounds of polyether polyol and polyamine , of other auxiliaries such as dye, thixotropic agent , antioxidant and catalyst. When used, we mix A and B with a certain proportion and stir into paste, then pour into gap, after chemical reaction, it forms an elastic and firm sealant material.

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