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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
        Needle tube Solder paste

        Solder paste Sn63Pb37

        Product parameters

        ★L(fēng)oose reflow process window
        ★Excellent wetting and tin eating ability
        ★L(fēng)ow 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

        The advantages of the product are as follows:

        1. Printing rolling and forming, as low as 0.3mm spacing pad can also complete exquisite printing;

        2. During continuous printing, the viscosity changes little, and the steel mesh has a long operational life. It will not dry after more than 8 hours, and still keeps good     printing effect;

        3. After several hours of printing, the original shape is still kept, basically no collapse, and the chip components will not be offset; 

        4. It has excellent weldability and can show proper wettability in different parts; 

        5. It can adapt to the requirements of different grades of welding equipment. It does not need to complete welding in nitrogen charging environment, and it can still perform good welding performance in a wide range of reflow furnace temperature;

        6. After welding, the residue is very little, the color is very light, and the insulation resistance is high, which will not corrode the PCB, and can meet the requirements of free washing; 

        7. It has better ICT test performance and will not produce misjudgment; 

        8. It can be used for paste in hole process.


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