... :40-80mesh ,20-40mesh,10-40mesh,1-3mm,2-4mm,3-8 mm,4-8mmSilver:40-80mesh ,20-40mesh ... 3mm,2-4mm,3-8mm,4-8mmRaw vermiculite:Golden:0.3-1mm,1-2mm,1.5-2.5mm,1-3mm,2-4mm,3-8mm ... ,4-8mmSilver:0.3-1mm,1-2mm,2-4mm ... 4. Vermiculite Application: In Construction 1. Fireproof Board 2. Loosefill Insulation 3. Construction Coatings 4. Lightweight Concretes 5. Vermiculite ...