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未標題-5

錫鉛焊料

注冊商標:
“云亨”牌
執行標準:
GB/T8012-2000
牌 號:
63A、60A、50A
包 裝:
每錠凈重25±1.5Kg,鍍鋅鋼帶捆扎,每捆40錠,凈重1000±30Kg 。
性 狀:
銀白色金屬,質軟,有良好的延展性,性能穩定,熔點低,流動性好,收縮性小,60A焊錫熔點為183℃。
主要用途:
主要用于航空航天、電子電器行業、電器儀表工業中元件的焊接,以及汽車散熱器、熱交換器、食品和飲料容器的密封。

性激烈的欧美三级视频
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