China 3-6mm 4-8mm Thermal Insulation China Manufacturer Expanded Perlite Price

Product Description
4-8mm thermal insulation China manufacturer expanded perlite price
1.Expanded perlite
2.Size:4-8MM3-6MM2-4MM1-3MM
3.Bulk density:80-120kgs/m3
4.SiO2:68-74%
5.Manufacturer
Perlite in the steel and Foundry Industries
Perlite insulation is used in high temperature applications in the steel and foundry industries such as ladle topping, hot topping and risering, in topping compounds, in exothermic and insulating shapes, as a cushioning agent, in molding sand and in the manufacture of refractory blocks and bricks.
Physical & Chemical properties

Softening temperature890-1100 °CSiO270 ~ 75Melting temperature1260 °CAl2O312 ~ 16Cellular structureopen-cellularFe2O30.15 ~ 1.5Porosity97 % by volumeMgO0.2 ~ 0.5Moisture content( in the open air)Up to 0.5 % by weightCaO0.1 ~ 2.0Max. moisture contentUp to 900 % by weightNa2O2.5 ~ 5.0Density of the perlite ore2200 to 2400 kg/m3K2O1.0 ~ 4.0Density 1200 kg/m3PH6.5-7.5Bulk density70-120kg/m³

Raw perlite ore 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 mesh
0.1-1 mm 0.5-1.5 mm 0.06-2.5 mm 0.3-1 mm 1-3 mm2-4 mm,3-5 mm etc
Perlite Application
There are many uses for perlite. These uses can be broken down into three general categories: construction ap-plications, horticultural applications and industrial applications. it usually used in loose fill insulation, portland cement and gypsum plasters, underfloor insulation, concrete roof decks,chimney linings,fireproofing,blocks,pipe insulation,improving soil aeration, drage ,making moisture and etc.
Other informations

PackingExpanded 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/L
2).Irrevocable L/C
3).NegotiatedDelivery time1).After we receive deposit within 7-10days
2).After we receive L/C within 7-10days
3).NegotiatedSampleSample is free within 1kgsMOQ20`ft containerLoading portTianjin port ,China