HBF4

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Fluoboric acid ;Fluoroboric acid;Hydrofluoroboric acid;Tetrafluoroboric acid

Name: fluoboric acid [16872-11-0]                 Molecular formula: HBF4

Molecular weight:  87.81                                UN: 1775

Product Specifications :         

Index Name	Index		Index Name	Index
	A grade	B grade		A grade	B grade
Appearance	Achromaticity liquid		Sulphate(SO4)	0.01% max	0.03% max
Purity	40%, 45%, 50%min		Fluorosilicate (SiF6)	0.1% max	0.2% max
Free boric acid(H3BO3)	0.1~0.6%	2.5% max	Iron(Fe)	0.01% max	0.05% max
Chloride(Cl)	0.005%max	0.05% max

Uses: clean and etch the membrane of the oxide and silicate of metal surface, to clean aluminium and its alloy before plating. 

Packing: packing with polythene plastic drum, 25kg or 250kg or 1250kg per drum.

HBF4