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      • 久久久无码国产,国产FREEXXXX性播放,欧美十日韩十国产,小小水蜜桃视频高清在线观看,国产免费伦精品一区二区三区,亚洲中文字幕无码区,无码人妻精品内射一二三AV,国产真实强被迫伦姧女在线观看
        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: anson@dglzd.com
        Address: Dongguan lvzhidao Metal Co., Ltd
        Contact person: Manager Zeng
        LED Solder paste

        LED Solder paste L902

        Product parameters

        ★Loose reflow process window
        ★Excellent wetting and tin eating ability
        ★Low bubble and void ratio
        ★The adhesive force can be maintained for a long time
        ★Transparent residue

        Scope of application

        Suitable for SMT industry PCB surface resistance, capacitance, IC and other electronic components welding
        Selection of tin powder

        Specifications

        Maximum limit

        Greater than this value less than 1%

        Less than 80% between these values

        Less than 90 percent

        Less than 10%

        Recommend suitable process

        280μm75μm75-45μm——20μm

        pitch≥0.5mm

        Inner diameter of needle≥0.8mm

        350μm45μm45-25μm——20μm

        pitch≥0.4mm

        Inner diameter of needle≥0.6mm

        4
        40μm
        38μm
        ——38-20μm20μm

        pitch≥0.4mm

        Inner diameter of needle≥0.5mm

        528μm
        25μm
        ——25-15μm15μm

        pitch≥0.3mm

        Inner diameter of needle≥0.4mm




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