catalyst pt303/high efficiency catalyst pt303 overview: name: catalyst pt303 alias: catalyst pt303, pt303, polyurethane catalyst pt303, high efficiency catalyst pt303 product physical properties appearance: light yellow liquid viscosity(25℃,mpa.s):5 density (25℃,g/cm3): 0.84 water solubility: soluble in water flash point (pmcc,℃): 72 hydroxyl value (mgkoh/g): 77 uses: catalyst pt303 is a strongly foaming, low odor tertiary amine...