G 500 Amorphus silica 7631-86-9 Millennium Chemicals Scratch/ Srcub/ Mar resistance agent Surface conditioner, miscellaneous >> Matting agent >> Amorphous silica Coatings >> UV / Radiation Curing Coil Coating Wood & Furniture Coatings INKS >> Varnishes / Over print varnish Amorphous silica gel. Highly efficient matting and mar agent. Recommended for coil, wood coatings, radiation cure coatings and overprint varnishes. Amorphous silica gel. Highly efficient matting and mar agent. Recommended for coil, wood coatings, radiation cure coatings and overprint varnishes.