Product Name: High Quality Expanded Perlite Heat Insulation Perlite with Best Price Trademark: LJ Transport Package: 100L Ppbag, 90L Ppbag Specification: 2-4mm, 3-6mm, 4-8mm Origin: China HS Code: 6806200000 Product Description Wholesale price Hydroponics Expanded Perlite for Agricultural growing media1.Expanded perlite2.Size:4-8MM3-6MM2-4MM1-3MM3.Bulk density:80-120kgs/m34.SiO2:68-74%5.ManufacturerPerliteinthesteelandFoundryIndustriesPerliteinsulationisusedinhightemperatureapplicationsinthesteelandfoundryindustriessuchasladletopping,hottoppingandrisering,intoppingcompounds,inexothermicandinsulatingshapes,asacushioningagent,inmoldingsandandinthemanufactureofrefractoryblocksandbricks.Physical & ChemicalpropertiesSofteningtemperature890-1100 °CSiO270~75Melting temperature1260°CAl2O312~16Cellularstructureopen-cellularFe2O30.15~1.5Porosity97%byvolumeMgO0.2~0.5Moisturecontent(intheopenair)Upto0.5%byweightCaO0.1~2.0Max.moisturecontentUpto900%byweightNa2O2.5~5.0Densityoftheperliteore2200to2400kg/m3K2O1.0~4.0Density1200kg/m3PH6.5-7.5Bulk density70-120kg/m³Raw perliteore Size:12-16 mesh, 14-20 mesh, 16-32 mesh, 20-40 mesh,30-50 mesh, 50-70 mesh 70-90 mesh 90-150 mesh 200-325 mesh0.1-1 mm 0.5-1.5 mm 0.06-2.5 mm 0.3-1 mm 1-3 mm2-4 mm,3-5 mm etcPerlite ApplicationPerliteis used for soil amendment and has a number of properties and one of the most important is that it is able to retain moisture without allowing the soil or growing medium to become wet and soggy. Used in potting mixes as well as inhydroponics, it is also useful as a soil amendment.So a product that retains moisture and improves drainage sounds like a useful addition to many growing mediums and indeed it is.Other informationsPackingExpanded perlite :100 liter bag ,1000liter bag, 1500liter bag ,or as per customer's demandsTrade termsFOB CNF CIFPayments terms1).T/T 50%advance ,the balance against copy of B/L2).Irrevocable L/C3).NegotiatedDelivery time1).After we receive deposit within 7-10days2).After we receive L/C within 7-10days3).NegotiatedSampleSample is free within 1kgsMOQ20`ft containerLoading portTianjinport ,China