发布日期：2019-01-09 浏览次数：218
冰晶石 (氟铝酸钠)
分子式： Na3AlF6
分子量：209.94
CAS号：13775-53-6
海关编码：2826.3000.00
【物理性质】：无色单斜晶体，常因含杂质而呈灰白色、淡黄色、淡红色或黑色。常呈不可分割的致密块状，具有玻璃光泽。相对密度2.9-3.0，熔点1000°C；微溶于水，水溶液呈酸性。遇硫酸分解成有毒的氟化氢气体。
【产品质量标准】：符合国标[GB 4291-2007].
Grade | Chemical composition(%) | Loss on Drying (550℃ | ||||||||
F | Al | Na | SiO2 | Fe2O3 | SO4-2- | CaO | P2O5 | H2O | ||
≥ | ≤ | |||||||||
CH-0 | 52 | 12 | 33 | 0.25 | 0.05 | 0.6 | 0.15 | 0.02 | 0.20 | 2.0 |
CH-1 | 52 | 12 | 33 | 0.36 | 0.08 | 1.0 | 0.20 | 0.03 | 0.40 | 2.5 |
CM-0 | 53 | 13 | 32 | 0.25 | 0.05 | 0.6 | 0.20 | 0.02 | 0.20 | 2.0 |
CM-1 | 53 | 13 | 32 | 0.36 | 0.08 | 1.0 | 0.6 | 0.03 | 0.40 | 2.5 |
【产品用途】主要用作电解炼铝助熔剂，搪瓷乳白剂，陶瓷玻璃的遮光剂和添加剂，农用杀虫剂，还用于铝合金铸造，生产铁合金和沸腾钢用。
【包装】: 聚乙烯编织袋内衬塑料袋，每袋净重25公斤，或根据客户要求订做。
【贮运】：宜存放在干燥、通风良好的储存室，密封包装，远离雨水，避免潮湿。
Cryolite (Sodium Fluoaluminate)
Formula： Na3AlF6
Molecular weight ：209.94
CAS No.: 13775-53-6
HS Code：2826.3000.00
[Properties]: Clorless monocrystal crystal, usually appears offwhite, pink, yellowish or black because of impurity, usually present as indiscerptible compact block with glass lustre, specific gravity: 2.9-3.0, melting point: 1000°C; slight soluble in water, aqueous solution is acidic, decompose to toxic hydrogen fluoride gas when meeting with sulfuric acid.
[Quality standard]:qualified with the standard [GB 4291-2007].
Chemical composition(%) | Loss on Drying (550℃ | |||||||||
F | Al | Na | SiO2 | Fe2O3 | SO4-2- | CaO | P2O5 | H2O | ||
≥ | ≤ | |||||||||
CH-0 | 52 | 12 | 33 | 0.25 | 0.05 | 0.6 | 0.15 | 0.02 | 0.20 | 2.0 |
CH-1 | 52 | 12 | 33 | 0.36 | 0.08 | 1.0 | 0.20 | 0.03 | 0.40 | 2.5 |
CM-0 | 53 | 13 | 32 | 0.25 | 0.05 | 0.6 | 0.20 | 0.02 | 0.20 | 2.0 |
CM-1 | 53 | 13 | 32 | 0.36 | 0.08 | 1.0 | 0.6 | 0.03 | 0.40 | 2.5 |
[Application]: It is mainly used as a flux in the aluminium smelting by fused salt electrolysis;also an opalizer in the manufacture of enamel;an opacifier and auxiliary solvent of glass and enamel;an insecticide of crops;a flux in aluminium alloy casting;and in the production of ferrous alloy and effervescing steel.
[Packing]: polyethylene weaving inner lined with plastic bag. Net weight is 25kg, or as the request of customer.
[Storage and transportation]: Stored in dry and cool warehouse with packages sealed and away from rain and wetting.
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