Products include: RMA type, strong flux type, disposable type, water-soluble type, nickel, stainless steel type, aluminum welding type. Used in aerospace and military products, but also suitable for electronic, electrical appliances, toys, jewelry, lighting industry, the automotive industry and other heat pipe, high-temperature conditions required components. Conventional rosin content of 2.2%, mainly for the welding process. Drag tin process rosin content of more than 2.6%.
Advantages: good wetting, bright solder joints, a long time to engage in oxygen, less residue, a small spatter, no smell, and good electrical insulation.