Active Member
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[China]
Address: 139-141 Wai Yip Street, Kwun Tong Kowloon, Hongkong, China.
Contact name:Bruce Chen
Rare Mine Chemical Resources Limited |
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| Items | Standard Index | |||
| Appearance | Super Grade | First Grade | Eligible grade | |
| Sodium Silicofluoride % ≥ | 99.0 | 98.50 | 97.0 | |
| Iron (Fe) % ≤ | 0.02 | / | / | |
| Loss of Weight on Drying at 105°C % ≤ | 0.30 | 0.40 | 0.60 | |
| Insoluble in Water % ≤ | 0.40 | 0.50 | 1.0 | |
| Free Acid (as HCL) % ≤ | 0.10 | 0.15 | 0.20 | |
| Heavy Metal (as Pb) % ≤ | 0.02 | 0.05 | 0.05 | |
| Fineness Passed 250mesh Sieve % ≤ | 90 | 90 | 90 | |
Application
1. In pharmacy and fluoridation of drinking water .
2. Opalizer and fluxing agent in glass and Vitreous enamel frits.
3. Filling agent in plastic.
4. Coagulating agent in natural rubber and latex products
5. Additive in metallurgy of aluminium and in clad layer of
galvanized zinc,nickel,iron.
6. Instead arsenious Insecticides and rodenticides as pest control
in agricultural.
7. Leather and wood preservatives.
8. Main raw material for producing acidproof cement and diabase
plate.
