钾冰晶石 Potassium cryolite
性状:白色或浅灰色粉末,微溶于水
用途:主要用作生产铝镁浇铸含硼合金的原料,作为热焊和铜焊的溶剂。
Commodity: Potassium Aluminium Fluoride (Potassium fluoroaluminate, Potassium Cryolite, PAF)
Molecular formula: KAlF4
Molecular weight: 258.28
H.S. No.: 2826.1900
CAS No.: 14484-69-6
Character: white, grey and black, slightly soluble in water.
Usage: mainly used as production material of boron containing alloy cast by aluminium and magnesium, fusing agent of thermal welding and braze welding; also be used as insecticde in glass, Flux for Aluminum Brazing
Specification:
F 48-53%
Al 17-19%
Fe 0.05%% max
K 27-31%
Melting point: 560-600 degree
Size
A -1MM 100%(Two appearance: white and black)
B -40mesh 100%(Two appearance: white and black)
C 230mesh (appearance: white )
Pack: in 25kgs or 1000Kgs PP bags
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