best quanlity cubond

Specifications

QJ301 is a kind of based on copper welding of brazing solvent.It is the ideal temperature welding welding solvent.

 

 

QJ301  copper powder

 

QJ301 is a welding solvent .This solvent uniform particles is minimal ,the color is white powder. 

 

In the 850°C ---1150°C ,it used copper and copper alloy when welding for oxyacetylene or embedded in flux.It also available for brazing steel and stainless steel help solventa.

 

Its status is creamy , and the desity is1.9---2.1. 

 

Main ingredients is boric aid borax and phosphate.