No Logo | Helix Ltd. Bulgaria Helix Ltd is a Bulgarian producer of Crude Vermiculite from own Vermiculite Ore Deposit. Vermiculite is ecological, inert and Environmental friendly mineral. Vermiculite is used in: Industry: Absorbent packing, Drilling muds, Filtration, Fixa... Member since 4 March, 2015, Bulgaria - Sofiya-Grad |