Silver Copper Tin Alloy Solder Bar 25kg/Box 

Soldering working materials. LF Solder Bar. Lead Free Solder bar, composition: Sn, Ag, Cu.  Alloy: Sn99Ag0.3Cu0.7, Melting temperature 227, Casted bar with XIHAN brand, surface high brightness; Size: Length 295mm±10mm, Width 18mm, height 12mm, weight 500g±50g/bar; Packed in 25KGS each carton.seaworthy. big quantity with pallet. Our factory use high purity tin and lead materials, adding special anti-oxidation elements, so our solder bar reduced viscosity and oxidation on parts' surface, with good wetting and mechanical strength.  Solder bar of Working temperature 200-300℃, which designed for wave machine and hand dip soldering, less dross. Solder bar of working temperature 300-430℃, which designed for dip soldering of electronic transformer, relay and electronic led tinning process.  Our products meet quality standard: GB/T80, L-200, GB/T3131-2001 in China, JIS-Z-3283 in Japan, QQ-S-571F in America. Metals elements are superior than above me…