| Customization: | Available |
|---|---|
| Feature: | Long Time Materials |
| Refractoriness (℃): | 1580< Refractoriness< 1770 |
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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.
| Softening temperature | 890-1100 °C | SiO2 | 70 ~ 75 |
| Melting temperature | 1260 °C | Al2O3 | 12 ~ 16 |
| Cellular structure | open-cellular | Fe2O3 | 0.15 ~ 1.5 |
| Porosity | 97 % by volume | MgO | 0.2 ~ 0.5 |
| Moisture content( in the open air) | Up to 0.5 % by weight | CaO | 0.1 ~ 2.0 |
| Max. moisture content | Up to 900 % by weight | Na2O | 2.5 ~ 5.0 |
| Density of the perlite ore | 2200 to 2400 kg/m3 | K2O | 1.0 ~ 4.0 |
| Density | 1200 kg/m3 | PH | 6.5-7.5 |
| Bulk density | 70-120kg/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
| Packing | Expanded perlite :100 liter bag ,1000liter bag, 1500liter bag ,or as per customer's demands |
| Trade terms | FOB CNF CIF |
| Payments terms | 1).T/T 50%advance ,the balance against copy of B/L 2).Irrevocable L/C 3).Negotiated |
| Delivery time | 1).After we receive deposit within 7-10days 2).After we receive L/C within 7-10days 3).Negotiated |
| Sample | Sample is free within 1kgs |
| MOQ | 20`ft container |
| Loading port | Tianjin port ,China |
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