Quartz sand filter material |
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| Quartz sand filter is the company's use of natural quartz ore by crushing, screening, washing and processing of form. Appearance was more vector form, spherical, pure white, with high mechanical strength, the ability to cutting pollution, acid and good performance characteristics. The company's product have two standards, the Ministry of Construction standards: CJ/T43-1999 (≥ 98% SiO2), Ministry of standards: DLJ58-81 (chemically treated ≥ 99% SiO2). |
Technical parameters |
Analysis project |
Analysis data |
Analysis project |
Analysis data |
In Silicon ％ |
≥98 |
The hydrochloric acid may dissolving rate % |
≤3.5 |
Proportion g/cm3 |
＞2.55 |
Rate of wear % |
＜0.7 |
Bulk specific gravity g/cm3 |
1.75 |
Broken rate % |
＜0.8 |
Silt carrying capacity % |
≤1 |
Percentage of voids % |
＞43 |
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