Offering very high purity, high dry brightness (93-95%) and low iron content (<0.05%) our MicroQuartz® range competes worldwide with similar high purity finely milled silica products. Valued for its inertness, purity, acid resistance, UV resistance, scrub resistance, weathering properties and hardness (moh 7), MicroQuartz® is used in a range of industries including coatings, varnishes and cured products, ceramics, tile adhesives, plastics and rubber compounding. Available in Mesh#150, Mesh#250, and Mesh#300 . Our Silica Flour is manufactured in South Africa.