high efficiency catalyst pt303/polyurethane catalyst pt303 overview: name: catalyst pt303 alias: catalyst pt303, pt303, polyurethane catalyst pt303, high efficiency catalyst pt303 product physical pr ...

c-225/foaming retarder c-225 overview: chinese name: polyurethane delay catalyst c-225 alias: foam delay agent c-225, foam delay agent, high rebound delay catalyst, high rebound delay catalyst, c-225, ...

foaming retarder/high rebound retardation catalyst/high rebound delayed catalyst c-225 overview: chinese name: polyurethane delay catalyst c-225 alias: foam delay agent c-225, foam delay agent, high r ...

catalyst c-225/polyurethane retardation catalyst c-225 overview: chinese name: polyurethane delay catalyst c-225 alias: foam delay agent c-225, foam delay agent, high rebound delay catalyst, high rebo ...