■ PHYSICAL PROPERTIES
NO. | Item | Properties |
1 | Chemical name | Ammonium bifluoride |
2 | Molecular formula | NH4HF2 |
3 | Molecular weight | 5 7 |
4 | Boiling point,℃ | 240 |
5 | Melting point,℃ | 124.6 |
6 | Liquid density,25℃,g/cm3 | 1.8 |
7 | Vapor pressure | 0.1 |
■ TECHNICAL INDEX
NO. | Item | Excellent Grade | First Grade |
1 | Purity | ≥ 98% | ≥ 95% |
2 | Loss on drying | ≤ 1% | ≤ 5% |
3 | Residue on ignition | ≤ 0.2% | ≤ 0.2% |
4 | Sulfate(base onSO4) | ≤ 0.1% | ≤ 0.1% |
5 | Ammonium fluosilicate[(NH4)2Si | ≤ 2% | ≤ 4% |
■ APPLICATION
1.Glass etchant.
2.Metal-clean. The treatment of the surface of metal.
3.Used as chemical reagent, antiseptic, disinfector, analytical reagent.
4.The acidification treatment of sand in oil field, and the catalyzer of alkylation isomerization.
■ PACKING AND STORAGE
25kg or 50lb,plastic woven bag or paper-plastic compound bag lined with high pressure polythene plastic bag.
Stored in a storehouse with shed, and kept away from sunlight. Strictly forbid storing it with combustibles and
explosives .