MA(8)C1-T8G（无卤素锡膏） １．Scope This specification covers the solder paste, ECO SOLDER PASTE MA(8)C1-T8G, using lead-free solder alloy, used for wiring connection and so on, of electrical and electronic parts. ２．Standard ２.１ Chemical composition of solder alloy（Test method ： STM-9-1） Composition and impurities are prescribed as following tables. Composition ( mass% ) Ａｇ3.0 ± 0.1 /Ｃｕ0.50 ± 0.05/Ｓｎ ２.２ Melting temperature range and specific gravity of solder alloy(Reference value) Melting temperature range ℃ Approx. 217 ～ 220