Usually, we have easy open cans of body and weld quality has certain requirements: body has no obvious edges, wall coating of the tank or tank outside tin plating layer can not have serious abrasion and mechanical damage; Weld of solder joint should be uniform continuous; Weld thickness should be not more than 1.5 times of the original sheet thickness; Weld tensile strength is not lower than tin plate tensile strength and can withstand normal flanging, such as embossing processing operations; Weld sealing good; Weld surface oxidation film should be thin and uniform.

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