HB-151 is a hydrophobic fumed silca.Thixotropy and reinforcement in RTV silicone sealants, the hydrophobic feature gives RTV silicone sealants a long shelf life. Rheology control in adhesives, anti settling anti sagging and thixotropy control. Acts as a free flow aid and anti caking aid for powders.
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.