... . Lead Solder bar with Tin 2. solder bar 3. 30-70% tin 4. 1 LB /pcs 5. ... piece/hack/article Solder bar Lead/lead alloy like 30-70% tin Why choose LEAD metal ? The ... price, insist on delelop new item accroding the market" 3. Enought weight, smooth face, pure lead materials, ... Main materialMainly using the Lead,Tin and Zinc etc.3. Technology and equipmentDie-casting, centrifugal casting, extrusion, cold ...