... is not a trade name but a generic term for naturally occurring siliceous rock. The distinguishing feature ... linings.l FillersExplosives, caulking compositions, paints, plastics, packing for shippingl AcousticPlasters, mortars, plaster boards, ceiling tiles & upper ... adsorbant, animal feed anti-caking agent & filler, carrier for nutrients / medicines.l AbsorptionCarrier of agrchemicals in pesticides & ...