Shijiazhuang eternal building materials Company limited
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Price: | 200.0~500.0 USD |
Payment Terms: | T/T,L/C,D/A,D/P |
Place of Origin: | Hebei, China (Mainland) |
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Unexpanded Perlite is processing by crushing, screening of the original perlite ore, we can produce according to the needs of customers into a variety of perlite sand products, the current specifications are :8-12 mesh ,12-18 mesh ,18-20 mesh ,20-50 mesh ,30-50 mesh ,50-70 mesh ,70-90 mesh ,90-120 mesh and other products.
Chemical property :
SiO2% | Al2O3% | Fe2O3% | CaO % | K2O % | Na2O % | MgO % | H2O % |
68~74 | ±12 | 0.5~3.6 | 0.7~1.0 | 2~3 | 4~5 | 0.3 | 2.3~6.4 |
Physical property :
Terms | A | B | C |
Specific Gravity | 2.26 | 2.4 | 2.32 |
Hardness(HV) | 648 | 643 | 652 |
Expansion Rate | K0≥15 | K0≥15 | K0≥18 |
Expa-temperature(℃) | 1000-1200 | 1050-1250 | 1200-1300 |
Pre-heating (℃) | 300-400 | 300-400 | 350-420 |