Silane Coupling Agent 560, equal to: 1, A-187 from Crompton. 2, KBM-403 from Shin- ... liquidMolecular Weight---------------------236.1Specific Gravity at 25/25°C--------1.069Refractive Index ND25°C-----------1.427Flash Point, Tag Closed Cup,°C---110Boiling point ... , urethane, epoxy and acrylic caulks, sealants and adhesives.Application: (1) It is mainly used to improve the adhesion between the ...