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  • Synthetic Cryolite Sodium Aluminum Fluoride Bath - China

    price: contact company for price

    Product's Description

    • Cas NO.: 13775-53-6

    • Appearance : white crystalline powder or a sandy-size granularity

    • Packaging : In 25kg/50kg plastic woven bag lined with high pressure polyethylene plastic bag

    • Minimum Order : 20ton

    • Shipping Port : TIANJIN


    physical characteristics: The product is a white crystalline powder or a sandy-size granularity, and a pinkish crystalline powder or a sandy-size granularity as well.

    Sp.gr.2.95—3.01g/cm3, melting point about 1000 centigrade, specific heat 1.056j/gcentigradeat 18—100centigrade.

    It’s slightly soluble in water, but insoluble in anhydrous hydrogen fluoride. The content of its crystal water will be decreased while the increasing of the molecular ratio, therefore its loss on ignition will be also decreased while the increasing of the molecular ratio. After the paste of synthetic cryolite with different molecular ratio dehydrates, the loss on ignition at 800centigrade will appear 10.34%, 6.22% and 2.56% when the molecular ratio reaches 1.74, 2.14 and 2.63 reactively.

    The size distribution can be sandy (80mesh), powder (200mesh, 325mesh), granular (0-10mm). Other items can be specified according to special requirement.


    Molecular Formula Na3AlF6 Molecular Weight 209.94

    Properties It is a colorless monoclinic crystal, but often appears off-white, pompadour, straw yellow or black due to impurities. It has relative density of 2.9-3.0, mp 1000. It is slightly soluble in water, and its aqueous is acidic. It decomposes to release poisonous HF gas while meeting sulfuric acid.

    Usages It’s mainly used as a flux in the aluminum 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 aluminum alloy casting; and in the production of ferrous alloy and effervescing steel; as well as a wear-resistant filler for resin and rubber-boned abrasive wheels.

    Specification Parameter Superfine Grade1 Grade2

    Fluorine (F) ≥ 53 53 53

    Aluminum (Al) ≥ 13 13 13

    Sodium (Na) ≤ 32 32 32

    Silicon Oxide (SiO2) ≤ 0.25 0.36 0.40

    Ferric Oxide (Fe2O3) ≤ 0.05 0.08 0.10

    Sulfate (SO42-) ≤ 0.7 1.2 1.3

    Calcium Oxide (CaO) ≤ 0.10 0.15 0.20

    Phosphorus Pentoxide (P2O5) ≤ 0.02 0.03 0.03

    Water (H2O) ≤ 0.4 0.5 0.8

    Ignite on 550oC≤ ≤ 2.5 3.0 3.0

    Packing In 25kg/50kg plastic woven bag lined with high pressure polyethylene plastic bag.

    Company Contact:

    • Phone: 8637187095503

    • Address: Room1203. No 39. Huanyuan Road, ZHENGZHOU, China

    • Email: Email

    Published date: April 7, 2013 -

    • Business Description: Su Jia Trading Co., ltd Zhengzhou was established by Zhengzhou Sujia

      Chemical Co., Ltd & Shanghai Sujia Industry Co., Ltd. We specialize in

      the production of Basic Chemicals, fire proof & wear rest Chemicals,

      phosphorous chemicals and oleochemical chemicals. Because of the rich

      experience and good reputation, our markets have expanded to North

      America, South America, Europe, the Middle East, Southeast Asia and

      other countries and regions, totally more than 20 countries and regions

      After so many year's of exploit and research, we have developed a wide range of products, which fulfill nearly all the manufacturers. Meantime, we also import chemicals from overseas factory and stable importing channel have been established. Welcome overseas company contact us for jointly developing china market.

      "Survive by quality, integrity and development" is our enterprise culture. We always strict to doctrine " Quality First; Customers First". We rely on the first class service to win the trust and support from domestic and overseas customers. Providing competitive advantages for our business partners is our main target. We wholeheartedly welcome you to visit our factory and office, seeking commercial opportunities together with us. We believe our company will be your most reliable partner and friend!

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