Lead-free solder alloys: lead-free alloys, also known as expected, the selection of a purity of 99.995% of tin ingots as raw materials, scientific selection of the alloying elements tin, bismuth, copper, etc. made of an alloy with the amount of material, various elements harmful ingredients to meet international standards, with environmental protection. The alloy material is suitable for centrifugal casting a variety of exquisite handicrafts such as artificial jewelry, with a low melting point, corrosion-resistant, non-toxic, easy post-processing features. 
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 0 # tin alloy (babbitt) [less than] lead 50PPM 

 0 # A: light, moderate hardness, good toughness, low temperature crystallization of lead-free non-toxic. For production of high-end jewelry, cooking utensils, drinking and smooth with a large variety of high-end arts and crafts. 

 0 # B: light weight, hardness, density, good low-temperature crystallization of lead-free non-toxic. For production of high-end jewelry, cooking utensils, drinking and smooth with a large variety of high-end arts and crafts. 

 0 # C: light weight, hardness, strong, compact, good low-temperature crystallization of lead-free non-toxic. For production of high-end jewelry, cooking utensils, drinking and smooth with a large variety of high-end arts and crafts (such as wind chimes class) and so on.