超碰国产先锋,亚洲成A人片77777在线播放,嗯嗯啊电影在线网站,大陆激情网站

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
Low temperature Solder paste

Solder paste Sn42Bi58

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.


毛片手机在线免费观看视频| 国产精品久久久久秋霞鲁丝| 九色丨PORNY丨国产在线| 亚洲香蕉网久久综合影视| 无码人妻精品一区二区三区视频| 成人性大片免费观看网站| 国产老熟女一区二区三区| 亚洲国产精品无码专区在线观看| 成人无码国产一区二区色欲| 国产欧美综合在线观看第十页| 18精品久久久无码免费网站| 无码AV人片在线观看天堂| 亚洲ⅴ国产v天堂a无码二区| 按摩师按摩我下面好爽视频| 欧美精品久久久久久久久免费蜜桃| 日韩人妻无码一本二本三本| 极品人妻系列| 2021年天天做天天爱夜夜爽| av无码国产在线看免费app| 中国老熟妇乱仑| 国产美女啪啪啪啪| 2021年国产精品每日更新| 看毛片免费的| 男女下面一进一出免费视频网站| 国产永久免费视频m3u8| 色婷婷色综合激情国产日韩 | 牲欲强的熟妇农村老妇女视频 | 国产成人一区二区三区别| 色欲97精品一区二区三区| 人妻体内射精一区二区| 一本一道久久综合久久| 麻豆国产精品一二三在线观看| 国产亚洲精品精| 看全色黄大色大片免费久久| 日本电影午夜福利| 麻花豆传媒剧国产MV网站入口| 自偷自拍亚洲综合精品| 日本乱伦小说| 亚洲欧洲日产国码中文字幕 | 曰韓一区二区影視網| 国产亚洲综合区成人国产|