Place of Origin:
Henan, China
Brand Name:
Eversim
Certification:
ISO 9001, SGS
Model Number:
EVC-HP999
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| 项目 / Item | 参数 / Specification |
|---|---|
| 化学名称Chemical Name | 氟铝酸钾(四氟铝酸钾 / 钾冰晶石)Potassium Tetrafluoroaluminate (Potassium Cryolite) |
| 化学式Molecular Formula | KAlF₄KAlF₄ |
| CAS 号CAS No. | 14484-69-614484-69-6 |
| EINECSEC Number | 238-485-8238-485-8 |
| 分子量Molar Mass | 142.07 g/mol142.07 g/mol |
| 外观Appearance | 白色或类白色结晶粉末White to off-white crystalline powder |
| 密度(20℃)Density (20 °C) | 2.87–2.94 g/cm³2.87–2.94 g/cm³ |
| 熔点Melting Point | 546–580 ℃,与 Al-Si 钎料良好匹配546–580 °C, well matched with Al-Si filler alloys |
| 溶解性Solubility | 微溶于水(约 2.0–4.6 g/L,20℃),不溶于乙醇及多数有机溶剂Slightly soluble in water (~2.0–4.6 g/L at 20 °C), insoluble in ethanol and most organic solvents |
| 气味Odor | 无味Odorless |
| 吸湿性Hygroscopicity | 不吸潮,干燥空气中稳定Non-hygroscopic, stable in dry air |
| 化学稳定性Chemical Stability | 常温稳定;避免与强酸接触Stable at room temperature; incompatible with strong acids |
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