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 properties
| Item | Specification | Item | Specification |
|---|---|---|---|
| Bulk density | 80-120kgsm3(as per customer’s demands) | Thermal conductivity | 0.021-0.054 w/m °C |
| Appearance | white color , granular | Softening point | 890-1090 ºC |
| Melting point | 1280-1350 ºC | Vickers hardness | 5.5-7 |
| PH | 6.5-7.5 | Water soluble | <0.1% |
| Acid soluble | <2% | Dioptre | 1.483-1.506 |
Size Specifications
| Item | Particle Size |
|---|---|
| Raw Perlite | 20-30, 20-40, 30-50, 50-70, 70-90, 90-120 mesh |
| Expanded Perlite | 1-3mm, 2-4mm, 3-6mm, 4-8mm, 150mesh, 200mesh, 325mesh or according to your need |
| Perlite Filter Aid | GK-110 thick, medium, thin, extra thin |
Application
| Building Industry | Used for making light, thermal insulation and acoustic board; Be ideal materials of various industrial equipment and pipe insulating layer; |
|---|---|
| Fillter Aid and Filler | Be filtering agent,when making wine,drinking, syrup,vinegar etc; Purify various liquid and water,coming up to innoxious to human and animal;Be filler of plastic,rubber, enamel etc. |
| Agriculture and Horticulture | Preventing plants from falling down and control fertilizer efficiency and fertility;Be diluent and carrier of biocide and herbicide;Reform soil and adjust soil hardened. |
| Mechanism, Metallurgy, Hydropower and Light Industry | Be ingredients of heat insulation glass, mineral wool and porcelain products etc. |
| Other Aspect | Be packing materials of exquisite products and pollution products; Be abradant material of gem,colourful stone,glass products; Be density regulator of explosive, treating-agent of sewage. |
Packing
- In plastic woven Bag ,100L/bag
- In jumbo Bags, 1-1.5m3/bag