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 Sn45Pb55

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: 免费看无码自慰一区二区| 久久久久九九精品影院| 久久久无码人妻精品无码| 97人洗澡人人澡人人爽人人模| 久久丫精品久久丫| 美女国产毛片a区内射| 久久人午夜亚洲精品无码区| 毛很浓密超多黑毛的少妇| 国产成人精品午夜二三区波多野| 久久精品国产99国产精品| 丰满岳乱妇在线观看中字| 成人h视频在线观看| 性色欲情网站iwww| 亚洲乱码中文字幕综合| 国内精品久久人妻无码不卡| 无码人妻精品一区二区三区东京热| 成熟女人特级毛片www免费| 性久久久久久久| 人妻大战黑人白浆狂泄| 欧美两根一起进3p做受视频| 人妻少妇精品无码专区| 少妇激情av一区二区| 日韩精品无码人妻免费视频| 亚洲avav国产av综合av| а√天堂中文在线资源bt种子 | 狼人大香伊蕉国产www亚洲 | 国产又黄又硬又粗| 少妇一边呻吟一边说使劲视频| 国产成人一区二区三区视频免费| 欧洲国产伦久久久久久久| 国产精品 自在自线| 亚洲av无一区二区三区| 亚洲深深色噜噜狠狠爱网站| 狠狠久久精品中文字幕无码| 24小时日本高清www| 国产乱人伦偷精品视频| 理论片在线电影大全免费观看| 无码日韩人妻精品久久蜜桃| 激情综合色五月丁香六月欧美| 人妻丝袜中文无码av影音先锋专区 | 野花香社区在线视频观看播放 |