HL-380 is and hydrophilic fumed silica. Reinforcing filler for elastomers. Anti-settling anti-sagging and thickening agent. Rheology control and thixotropic agent. Free flow aid and anti-caking aid for powders.High transparency.
HB-139 is an hydrophobic fumed silica.Good thickening and thixotropic property. Good anti-sagging properties and excellent stability in epoxy resin. Excellent reinforcing properties in silicone rubber especially at high filler loading levels, no crepe hardening on aging. Well suited for transparent systems.Free flow aid for waterproof material and powders.