Thorcosik HL-300

It is a hydrophilic fumed silica with a specific surface area of 300? /g. HL-300 comes as a high purity colloidal white powder and it provides excellent transparency in unsaturated polyester resins, high tear resistance, rheology and thixotropy control in liquid systems. In elastomers is used a reinforcing filler, for powders provides free-flow and anti-caking, lastly it is an anti-settling, thickening and anti-sagging agent.