OPTIBENT

[Class - 1]

Chemicals for industrial use, particularly clay and clay minerals as inflating and thickening agents and as thixotropic agents for materials in suspension, as additives for ore flotation preparation, as filling materials for soaps, paper, cardboard and plastic materials, as bleaching earth, adsorbent products and desiccants, as catalysts and catalyst carrier substances, as substances used for water and wastewater purification; auxiliary agents used in foundry, namely molding sands, adhesive sands, binding clays, materials for fixing sand in molds and in mold cores, pasty compounds and coating suspensions for sand molds and pigs of iron, also for permanent metallic cores and molds (chill casting);