G 900 Amorphus silica 7631-86-9 Millennium Chemicals Moisture scavenger Surface conditioner, miscellaneous >> Texturing agent Coatings >> Powder Coatings INKS >> Varnishes / Over print varnish Amorphus silica. Shows excellent texturing and moisture scavenger characteristics. Used in overprint varnishes. Amorphus silica. Shows excellent texturing and moisture scavenger characteristics. Used in overprint varnishes.