九九视频精品免费观看6,久久精品国产亚洲AV无码不,亚洲日韩AV一区二区三区中文,国产在线精品综合色区,国产三级精品三级在线专区1,91精品aⅴ无码中文字字幕蜜桃,又紧又大又爽精品一区二区,日韩av一区二区亚洲
    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 Sn60Pb40

    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.



    主站蜘蛛池模板: 成人无码av网站在线观看| 永久免费毛片在线播放| 国产精品99久久久久久董美香| 久久久久88色偷偷| 欧美a级片一区二区三区| 亚洲五月综合自拍区| 日欧一片内射va在线影院| 日本国产成人国产在线播放| 在丈前下药侵犯人妻在线| 色综合中文字幕久久88| 中文字幕 欧美 亚洲| 耒阳市| 亚洲中文字幕精品久久久久久动漫| 国语对白做受xxxxx在| 夜夜夜夜曰天天天天拍国产| 人妻妺妺窝人体色www聚色窝| 日日夜夜撸| 国产精品videossexohd| 极品少妇被弄得高潮不断| www婷婷av久久久影片| 亚洲日韩精品无码专区加勒比| 热久久美女精品天天吊色 | 大地资源中文第二页日本| 99精品偷自拍| 婷婷丁香六月激情综合在线人| 精品少妇人妻av无码久久| 美丽姑娘高清版在线观看免费中文| 亚洲中文字幕精品久久久久久动漫| 欧美性插b在线视频网站| _97夜夜澡人人爽人人喊_欧美| 久久亚洲av无码精品色午夜| 一个人免费视频观看| 洛南县| 日本高清一区二区三| 少妇精品导航| 一本久久a久久精品亚洲| 亚洲午夜久久久影院| 精品人妻一区二区三区丽| 999国产精品999久久久久久 | 国产精品69人妻我爱绿帽子| 平南县|