Adhesion Promoter SINOMER® UVC8005 is a trifunctional phosphate acrylate offering excellent adhesion, water resistance, abrasion resistance, high flexibility, and low shrinkage. As an adhesion promoter/coupling agent, it enhances bonding to various inorganic substrates (metals, glass, ceramics, concrete). Widely applicable in free-radical polymerization systems. Can replace Sartomer SR9051/CD9051.