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changsha sukovay chemical co.,ltd
aluminium brazing flux
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aluminium brazing flux

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changsha sukovay chemical co.,ltd

aluminium brazing flux

Place of Origin : china
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Properties:white crystal powder, average particle size 3.5-8.0μm and all through 500 mesh sieve;
composed by KF-AlF3, Molecular rate near 1.2, melting point 557℃-565℃. Solubility in 1000g water
at 20℃ is 0.23 – 0.33g/cm3, density: 2.7 g/cm3, bulk density: 0.35-0.55g/cm3. PH value in water: 6-7.
It is clear and transparent while melting and highly active under high temperature; It can get
ride of Al2O3 coating on Al surface to make the brazing agent spread evenly and wetly. It also
has good joint filling property through capillary. Under normal temperature, after brazing,
the glass-like residues is insoluble in water, nonhygroscopic, non-corrosion and demonstrates completely
inactive. The usage quantity of this brazing agent is quiteless, especially when braze under the
protection of Nitrogen. It doesn’t need to be washed after brazing and its usage is convenient,

Application: widely used to braze Al-Al, Al-Al alloy and Al- stainless steel in process auto
air-condition, Al evaporator, Al radiator, boiler and Al alloy components etc.

Packing: in 25kg plastic woven bags or 40kg fibre drums with film lining.


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