HDK® H20RM by Wacker is a synthetic, hydrophobic amorphous silica suitable for epoxy, polyurethane and acrylate systems. It is produced via flame hydrolysis. Acts as a highly effective thickening... view more

HDK® N 20ST by Wacker is a hydrophilic fumed silica used as a thixotropic agent. It is produced by flame hydrolysis of volatile silicon compounds. HDK® N 20ST is pure, x-ray amorphous silicon... view more

HDK® V15P by Wacker is a high purity, mechanically densified, synthetic, hydrophilic amorphous silica. Used as a thixotropic agent in adhesives. HDK® V15P offers increased bulk density... view more