丰满熟妇人妻中文字幕,国产麻豆精品一区,中国老熟女重囗味hdxx,蜜桃精品免费久久久久影院

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
Solder paste

Solder paste Sn45Pb55

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.


精品人妻大屁股白浆无码| 亚洲无线一二三四区手机| 丰满少妇大力进入| 精品一区二区三区自拍图片区| 亚洲成av人片一区二区| 成在人线无码aⅴ免费视频| 131美女爱做视频| 国产日韩精品中文字无码| 国产在线国偷精品免费看| 中文字幕无码中文字幕有码 | a级毛片免费完整视频| 欧美人与动性xxxxx杂性| 亚洲午夜久久久影院伊人| 青春草在线视频免费观看| 曰韩无码二三区中文字幕| 无码无套少妇18p在线直播| 国产女主播喷水视频在线观看| 国产麻豆剧果冻传媒一区| 又爽又高潮的bb视频免费看| 国产精品毛片大码女人| 在线观看老湿视频福利| 日韩人妻中文无码一区二区 | 国产成人毛片在线视频 | 精品国产青草久久久久福利| 国精产品自偷自偷综合下载 | 另类内射国产在线| 精品人妻少妇一区二区三区在线| 国产爆乳无码一区二区麻豆| 一个人看的免费视频www| 久久久久亚洲av片无码| 无码人妻精品一区二区蜜桃百度| 久久久久免费精品国产| 国产精品人人爽人人做我的可爱 | 无码毛片视频一区二区本码| 亚洲av极品视觉盛宴| 亚洲av首页在线| 免费一区二区无码东京热| 一本大道av伊人久久综合| 插b内射18免费视频| 在线观看免费人成视频| 邻居少妇张开腿让我爽了一夜|