Petro Chemical Industry Micronized Silica (Grade 800 M) For Concrete & Concrete Block Application Add to cart Fused Silica Add to cart Fumed Silica (Grade – AC 200) Add to cart Micronized Carbon Black For Foundry Sleeves Application Add to cart Vermiculite Powder ( Fine ) For Foundry Sleeves Application Add to cart Synthetic Red Iron Oxide For Foundry Sleeves Application Add to cart Rice Husk Ash ( Course ) For Foundry Sleeves Application Add to cart Micaceous Iron Oxide Black ( Fine ) For Foundry Sleeves Application Add to cart Copper Slag For Foundry Sleeves Application Add to cart Calcium Silicate ( Grade AW ) For Foundry Sleeves Application Add to cart Dolomite- 500M Add to cart Dolomite – 300M Add to cart