GP- 537 Methacryloxypropyl end-blocked silicone polymer Genesee Polymers Silicone Coatings >> UV / Radiation Curing METHACRYLOXY TERMINATED SILICONE FLUID GP-537 is a methacryloxypropyl end-blocked silicone polymer. The methacryloxy functionality of GP-537 provides a reactive site for cross-linking by ultraviolet or heat accelerated free radical reactions. GP-537 is compatible with dimethyl silicone fluids, and with aliphatic and aromatic hydrocarbon solvents. Heat or Radiation Cure Coatings Methacryloxypropyl end-blocked silicone polymer. Used in heat and radiation cure coatings. Provides a reactive site for cross-linking by ultraviolet or heat accelerated free radical reactions. Offers compatibility with dimethyl silicone fluids.