polyether polyol for pavement materials-pg电子竞技平台

"diol ppg with molecular weight of 400 that can improve the product toughness when used for polyurethane elastomer chain extender, and reduce the system viscosity when used for polyurethane grouting material and foam sealing agent. "

"diol ppg with molecular weight of 400 that can improve the product toughness when used for polyurethane elastomer chain extender, and reduce the system viscosity when used for polyurethane grouting material and foam sealing agent. "