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cryolite

cryolite
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Product Name:cryolite
Place of Origin:Peoples Republic of China
Post Date:April 18, 2011
Edit Date:April 18, 2011
Company Name :
Henan Jialil Chemical Products Co., Ltd.
Tel:86-371-86107786
Fax:86-371-86107796
Add:2348, DE Block, SOHO Square, Dashiqiao, Nanyang Road, Jinshui District,ZhengZhou,Henan
E-mail:hnjialier@163.com
Detailed Product Description:

冰晶石(Cryolite)

[分子式] Na3AlF6 (学名氟铝酸钠或氟化铝钠,也称钠冰晶石,简称冰晶石。)

[分子量] 209.94

[性质] 冰晶石是一种络合化合物或复盐, 白色单斜晶系(109摄氏度),颜色因含杂质而呈白色,灰白色,黄色粉末或结晶状颗粒,常呈不可分割的致密块体,具有玻璃光泽到油脂光泽。其熔点1025℃,堆积密度为0.6~1.0g/L,真密度为2.95~3.05g/cm3 ,生成热为225KJ,比重为2.75~3.00g/cm3,熔化热107KJ。微溶于水,水溶呈酸性。遇硫酸分解放出有毒的氟化氢气体。

 [用途]主要用作铝电解的助熔剂;也用作研磨产品的的耐磨添加剂,可以有效提高砂轮耐磨,切,削力,延长砂轮使用寿命和存储时间;铁合金及沸腾钢的熔剂,有色金属熔剂,铸造的脱氧剂,链烯烃聚合催化剂,以及用于玻璃抗反射涂层,搪瓷的乳化剂,玻璃的乳白剂,焊材的助熔剂,陶瓷业的填充剂,农药的杀虫剂等行业企业。

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