The traditional kind of die-cast zinc alloy with an asterisk 2,3,4,5,7 alloy zinc alloy pins EU regulation, currently the most widely used is the 3rd zinc alloy. Seventies developed high aluminum zinc alloy ZA-8, ZA-12, ZA-27. Zamak 3: good flow and mechanical properties. Applied to the mechanical strength of the less demanding cast zinc alloy, such as toys, lamps, decorations, and some electrical parts. Zamak 5: good mobility and good mechanical properties. Applies to certain requirements on the mechanical strength of the casting, such as auto parts, electrical parts, mechanical parts, electrical components. Zamak 2: for special requirements on the mechanical properties of high hardness, wear resistance, dimensional accuracy requirements of the general mechanical parts. Dongguan Da Ling Shan Chang Sheng before processing hardware store supply all kinds of decoration zinc alloy jewelry, such as furniture parts, architectural decoration, bathroom accessories, lighting parts, toys, tie clips, belt buckle, metal buckle and so widely used the zinc alloy die casting zinc alloy pins British regulations, which also require the casting surface quality is higher, and the need to have a good surface processing performance. The most common defects of zinc alloy die casting surface blistering. Defect characterization: casting surface protrusions vesicles. Main features: Die Casting found out, after polishing or processing revealed, there will appear after injection or plating. British regulations zinc alloy pins, zinc alloy, Chang Sheng Hardware provided by Dongguan Da Ling Shan Chang Sheng processing hardware store. Dongguan Da Ling Shan Chang Sheng processing hardware store (shop1379091614724.1688.com) strong, credible, in Dongguan, Guangdong and other hardware accessories industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Chang Sheng Hardware and you hand into the brilliant, for a better future!