氟鋁酸鉀(鉀冰晶石)
Potassium fluoroaluminate( Potassium Cryolite)
化學名稱:氟鋁酸鉀、氟化鋁鉀
Chemical Names: Potassium fluoroaluminate;potassium aluminium fluoride
化 學 式:KAlF4和K3AlF6
Formula: KAlF4, K3AlF6
化學成分:(%)
成分 | F | Al | K | Fe2O3 | SO4 | H2O |
特級 | 50-52 | 17-18 | 29-32 | ≤0.01 | ≤0.05 | ≤1.2 |
一級 | 49-51 | 17-18 | 28-32 | ≤0.1 | ≤0.6 | |
二級 | 45-51 | 15-19 | 27-35 | ≤1.0 |
Spec: (%)
F | Al | K | Fe2O3 | SO4 | H2O | |
Super grade | 50-52 | 17-18 | 29-32 | ≤0.01 | ≤0.05 | ≤1.2 |
I grade | 49-51 | 17-18 | 28-32 | ≤0.1 | ≤0.6 | |
II grade | 45-51 | 15-19 | 27-35 | ≤1.0 |
產品性能:白色或灰白色晶體粉末,粒度有:20目、40目、100目、200目、325目,化學組成為KF-ALF3二元系低共晶點組成,分子比1.2左右,熔點557℃-580℃。在1000克水溶液中溶解度:0℃時0.8克,25℃時1.42克,100℃時4.58克。
Properties: white or grey-white crystal powder; fineness: 20, 40, 100, 200 and 325mesh, composed by KF-AlF3, Molecular rate near 1.2, melting point 557℃-580℃. Solubility in 1000g water: at 0℃: 0.8g; at 25℃: 1.42g,at 100℃: 4.58g.
產品用途:用作鋁、鋁合金、不銹鋼釬焊劑,鋁合金制造過程中的脫氣劑、助熔劑,也用作玻璃、陶瓷、摩擦劑的活性填料。
Application:It is used as welding flux in aluminum alloy and stainless steel, a degasser and an
auxiliary solvent in aluminum alloy fabrication, also used as an active filler for glass, ceramic and friction compound.
產品包裝:袋裝,內塑外編;每袋凈重25千克或1000千克。
Packing: in 25/1000kg plastic woven bags with film lining.
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