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
    Medium temperature Solder paste

    Solder paste PF-3501-C1

    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.


    主站蜘蛛池模板: 织金县| 国产动作大片中文字幕| 久久国产成人精品国产成人亚洲| 好男人在线观看免费视频| 神马影院伦理我不卡| 中文字幕乱码一区av久久| 国产精品亚洲一区二区三区| 甘泉县| 人妻夜夜爽天天天爽欧美色院| 日本熟妇人妻ⅹxxxx国产| 麻豆成人久久精品二区三区免费 | 性欧美videofree高清极品| 新丰县| 亚洲中文无码成人影院| 山东| 一二三四在线视频观看社区| 热久久国产欧美一区二区精品| 欧美精品乱码99久久蜜桃| 刺激性视频黄页| 欧美精品欧美人与动人物牲交| 一个人看的www片高清在线| 大地资源免费第二页| 亚洲国产综合精品2020| 日韩无套无码精品| 贡山| 美女脱个精光露出奶头和尿口| 国产大片资源中文字幕| 精品国产欧美一区二区| 大地资源网高清在线播放| free性欧美精品videos| 国产精品亚洲精品日韩已满| 女人18毛片a级毛片免费视频| 亚洲成a人片77777国产| a级一片男女牲交| 建始县| 仙居县| 欧美精品亚洲精品日韩专区va| 美女被男人揉胸视频| 中国老熟妇506070| 山阴县| 伊人久久大香线蕉综合影院首页|