We have our own vermicultie factory 1.Silver expanded vermiculite properties Heat-resistant, corrosion-resistant, well-ventilation, water preservation, poisonless, odorless, low hardness, burning-avoidness, lighter,low density ,non-asbestos .etc 2.Silver expanded vermiculite Size : Vermiculite grade Vermiculite size Bulk density Impurity Moisture Super fine 0.3-1mm 20-40mesh 40-70mesh 70-100mesh 120-150kgs/m3 2%max 0.1%max Fine 1-2mm 1.5-2.5mm 110-130kgs/m3 3%max Medium 2-4mm 1.4-4mm 90-120kgs/m3 3%max Large 3-6mm 4-8mm 90-120kgs/m3 3%max Powder 150mesh200mesh 325mesh500mesh 600mesh 110-250kgs/m3 1%max Special size is supplied as per customer’s demands 3.Silver expanded vermiculite chemicals Composition SiO2 MgO Al2O3 Fe2O3 CaO K2O ph Percentage 37-42 11-23 9-17 3.5-18 1-2 5-8 8-11 4.Silver expanded vermiculite Usage Agriculture Horticulture ConstructionindustryAnimal feed Blocking mixes Sound Absorption Loose Filling Thermal Insulation.Refracory Anti-caking material Hydroponics Air setting binder Sound Absorption Loose Filling Bulking agent Micro-propagation Construction Coatin Gaskets or Seals Fertilizer Rooting cuttings Fireproofing Board Friction Linings Seed encapsulant Seed germination Gypsum plaster Packing Materials Soil conditioner Sowing composts Loft insulation Drilling muds Pesticide Potting mixes Vermiculite Screeds Filtration Lightweight Concretes Brake pads & brake shoes Fixation of hazardous material Paints