G 520 Amorphus silica 7631-86-9 Millennium Chemicals Antiblocking agent >> Silicones/Silica/Siloxanes Scratch/ Srcub/ Mar resistance agent Surface conditioner, miscellaneous >> Matting agent >> Amorphous silica Coatings >> UV / Radiation Curing Architectural / Decorative Coil Coating Wood & Furniture Coatings INKS >> Varnishes / Over print varnish Amorphus silica. Shows excellent matting and mar characteristics. Used in architecture, coil, wood, radiation cure coatings and overprint varnishes. Amorphus silica. Shows excellent matting and mar characteristics. Used in architecture, coil, wood, radiation cure coatings and overprint varnishes.