HDK® H18

HDK® H18 is a synthetic, hydrophobic, amorphous silica that is produced via flame hydrolysis. It is applied as a thickening and thixotropic agent in composites, coatings, adhesives and sealants, especially in vinylester, epoxy and polyurethane systems. This product has a density at 20°C (SiO²) of approx. 2,2 g/cm³, a carbon content of approx. 4,5%, and a pH value of 4,0-6,8.

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