蜜桃臀无码AV在线观看,久久一日本道色综合久久,亚洲Av无码成人精品国产小说,亚洲欧美一区二区三区孕妇写真,一道本AV免费不卡播放,亚洲色精品VR一区二区三区,激情 自拍 另类 亚洲,99精品视频在线观看婷婷,亚洲人妻视频手机在线,成年免费A级毛片免费看丶

  • <del id="qumei"></del>
  • 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
    Needle tube Solder paste

    Solder paste Sn42Bi58

    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

    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.


    亚洲VA久久久噜噜噜久久男同| av一区二区三区日韩| 亚洲AV无码专区亚洲AV桃| 成人年无码av片在线观看| 国产精品久久久久久久久久直播| 亚洲VA中文字幕无码久久不卡| 国产日韩精品在线播放| 欧美精品亚洲精品日韩专| 99资源在线| 亚洲嘿嘿视频在线观看| 无码精品一区二区三区在线| 久久精品亚洲乱码伦伦中文| 亚洲第一在线播放| 国产偷国产偷亚洲清高APP| 亚洲国产精品久久久久久无码| 国产精品18夜夜嗨AV| 日本欧美在线观看| 国产最爽的乱婬视频国语对白| 四虎影视库国产精品一区| 重口SM一区二区三区视频| 亚洲综合熟女久久久40P| 在线观看国产一区二区三区99| 无遮挡拍拍拍免费观看| 伊人丁香五月天久久综合| 亚洲国产精品专区久久| 在线观看黄色悠悠免费| 乱人伦中文视频在线观看免费| 欧美一道本| 国内自拍av在线免费| 欧美午夜理伦三级在线观看| 无码国模大尺度视频在线观看| 国产无人区码一区二区| 亚洲成a人片77777在线播放| 久久这里都是精品国产| 2048国产精品原创综合在线| 亚洲制服丝袜第一页| 亚洲精品午夜国产VA久久成人| 国产精品人体一区二区| 国产成人无码18禁午夜福利P| 看你懂的巨臀中文字幕一区二区| 青草视频在线播放免费|