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  • 欧美大胆老熟妇乱子伦视频,18禁超污无遮挡无码免费网站国产,亚洲 日韩 国产 有码 不卡,99久久精品国产一区二区蜜芽,色综合久久无码五十路人妻,亚洲av无码乱码在线观看野外,免费福利视频一区二区三区高清,亚洲精品456在线播放
    Welcome to the official website of Legret Metal Company
    Focus on electronic welding for 20 yearsDONGGUAN LEGRET METAL.,LTD
    National consultation hotline:135-2799-2739
    Contact US
    mobile phone: 135-2799-2739
    Service hotline: 0769-38893080
    Email: lzd@dglzd.com
    Address: Dongguan lvzhidao Metal Co., Ltd
    Contact person: Manager Zeng
    Lead-free Solder bar

    Solder bar Sn99Ag0.3Cu0.7

    Product parameters

    ☆ good fluidity and wettability< br> ☆ excellent antioxidant, less tin slag< br> ☆ appropriate additives to change the crystalline junction of solder joint Structure, reduce internal stress and resist whisker growth< br> ☆ excellent welding performance, few pull points and bridging;

    Scope of application

    This product is applicable to the tin spraying operation system on the surface of PCB, and is widely applicable to the wave soldering operation of automatic lead-free soldering furnace.

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é????? Sn99Ag0.3Cu0.7

    常用無鉛焊錫用途表.jpg

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