... 45 is euqivalent to Basf MP-45. Properties: Copolymer of vinyl chloride and vinyl isobutyl ether has good binding property ... chlorine atom is very stable. SMP-45 has excellent capabilities of resisting to saponifiability, aging, hydrolysis, corrosion, acid, alkali ... , petroleum resin, natural resins, alkyd resins modified by oil and fatty acids, drying oil, tars, and bitumen, etc. Application: SMP-45 ...