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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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Potassium Fluoroaluminate

Molecular formula: KALF4
Molecualr weight: 142.073
Properties: white or pale gray powder; slightly soluble in water; hydrogen fluoride released in the reaction to water at 730℃ above; dissolved slowly in strong acid to release hydrogen fluoride
Usage: soldering flux for Aluminium and its alloy; flux in glass and ceramic industries
Impurities:

AL

≥16%

SO4

≤0.05%

SiO3

≤0.2%

Fe

≤0.01%

Pb

≤0.005%

H2O

≤1.5%

250mesh

95% passed

Melting point: 570°C
Packing: 25Kg plastic woven bag or fibre drum.
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