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                                        Changshu Xinhua chemical co., ltd.

                                        常熟市新華化工有限公司

                                        Changshu Xinhua chemical co., ltd.

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                                        Ammonium Fluorosilicate

                                        Molecular formula: (NH4)2·SiF6
                                        Molecualr weight: 178.14
                                        Properties: Colorless crystle powder, soluble in water and alcohol. It has α and β two configuration, α is isometric system, β is triclinic system, stable in air, but when the β configuration is heated for a long time, its own crystle system break, then converted to α configuration powder. The two states can be soluble in water and ethanol, not soluble in propanol.
                                        Usage: anti-moth agent, disinfectant for wine industry, glass etchant, anti-moth agent for textile, also used for light-metal casting, electroplating, used in artificial cryolite and producing ammonium chlorate etc.
                                        Content: 98%
                                        Impurities:

                                        (SO4)

                                        ≤0.2%

                                        (H2O)

                                        ≤0.6%

                                        Water insoluble matter

                                        ≤0.2%

                                        Iron (Fe)

                                        ≤0.005%

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