亚洲国产成人av网站-综合色就爱涩涩涩综合婷婷-全部露出来毛走秀福利视频-丰满人妻一区二区三区视频

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 PF-3704-H2

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: 后宫宫妃被各种sm调教| 级毛片内射视频| 国产在线观看香蕉视频| 精品香蕉久久久午夜福利| 亚洲国产精品毛片av不卡在线| 中文字幕无码无码专区| 免费视频成人片在线观看| 国产sm重味一区二区三区| 少妇无码av无码专区| 中文字幕av免费专区| 中国人妻被两个老外三p| 香蕉久久夜色精品升级完成| 色噜噜狠狠爱综合视频| 日韩精品无码一区二区中文字幕| 伊人久久大线影院首页| 伊人色综合九久久天天蜜桃| 少妇人妻无码精品视频| 亚洲欧美日韩精品久久亚洲区| 131美女爱做视频| 18精品久久久无码午夜福利| 欧美性猛交内射兽交老熟妇| 日本japanese少妇高清| 免费网站看av片| av无码久久久久久不卡网站| 久久人人妻人人做人人爽 | 国产深夜男女无套内射| 吃奶摸下的激烈视频| 亚洲av无码av制服另类专区| 国产精品99| 久久丫精品国产亚洲av不卡| 国产成人精品a视频一区| 免费精品无码av片在线观看| 国产亚洲精品资源在线26u| 性色欲情网站iwww| 天堂在/线中文在线| 成年女人永久免费看片| 青草青草久热精品视频在线观看| 青楼妓女禁脔道具调教sm| 久久久久国产一区二区三区| 黄色网站免费在线观看| 日韩精品无码一区二区三区av|