Exothermic Welding Powder

COUWELD exothermic welding powder is made of copper and other metal powder, the performance is very good,the color approaches black ,that's start powder in the bottom.it's drying and the Shelf life is 18 monthes but you should store them by right methods. the package for powder is plastic can and plastic box. for example,CW65P10 is 65g per can ,10 pcs of CW65P10 in one plastic box .same to CW65P10 , CW90P10,CW115P10,CW150P10,CW200P10 and other type is 10 cans for a box.they are same in package but different in weight. you should choose right type powder for different moulds,or you'll get unqualitied joint.the amount of powder isnot enough,then the joint maybe not beautiful andstable.but the mount of powder is too much ,the copper will smelt leaked,and leads to wasting,the joint maybe not beautiful and stable.so the right amount powder is best . you can call us by +86-21-50932955 to ask more information about the powder or other products. welcome to call us.