Raw Unexpanded Perlite Ore: Agricultural perlite provides a more constant moisture status around the roots of plants at all times and facilitates the growth of roots. Mainly used in agriculture and horticulture to promote the growth of crop roots, soil modification, regulate soil compaction, prevent crop lodging, control fertilizer efficiency, and fertility, and as a diluent and carrier for pesticides and herbicides. Use for the Construction industry: Lightweight concrete aggregates, heat-preserving, heat-insulating, and sound-absorbing panels, fire-resistant roofs and anti-freezing, earthquake-proof, fire-proof, radiation-proof, and other high-rise building engineering wall fillers, pipelines insulation, mortar, and other building materials. Sizes: Agriculture and horticulture grade:Â 1-3mm,2-4mm,3-6mm,4-8mm. Perlite filter aid grade:Â 30-50mesh, 50-70mesh, 70-90mesh, 90-120mesh, 120-200mesh. Construction and industry grade:30-50mesh, 50-70mesh, 70-90mesh, 90-120mesh Packaging: 1 ton/bag Accepted Delivery Terms: EXW, FOB, CFR, CIF Accepted Payment Currency: USD, AUD, CNY Accepted Payment Type: T/T, L/C, Western Union Port: Tianjin