冰晶石 (氟鋁酸鈉)

分子式： Na₃AlF₆

分子量：209.94

CAS號(hào)：13775-53-6

海關(guān)編碼：2826.3000.00

【物理性質(zhì)】：無(wú)色單斜晶體，常因含雜質(zhì)而呈灰白色、淡黃色、淡紅色或黑色。常呈不可分割的致密塊狀，具有玻璃光澤。相對(duì)密度2.9-3.0，熔點(diǎn)1000°C；微溶于水，水溶液呈酸性。遇硫酸分解成有毒的氟化氫氣體。

【產(chǎn)品質(zhì)量標(biāo)準(zhǔn)】：符合國(guó)標(biāo)[GB 4291-2007].

【產(chǎn)品用途】主要用作電解煉鋁助熔劑，搪瓷乳白劑，陶瓷玻璃的遮光劑和添加劑，農(nóng)用殺蟲(chóng)劑，還用于鋁合金鑄造，生產(chǎn)鐵合金和沸騰鋼用。

【包裝】: 聚乙烯編織袋內(nèi)襯塑料袋，每袋凈重25公斤，或根據(jù)客戶要求訂做。

【貯運(yùn)】：宜存放在干燥、通風(fēng)良好的儲(chǔ)存室，密封包裝，遠(yuǎn)離雨水，避免潮濕。

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].

[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.