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:+86 135-2799-2739
Contact US
mobile phone: 135-2799-2739
Service hotline: 0769-38893080
Email: anson@dglzd.com
Address: Dongguan lvzhidao Metal Co., Ltd
Contact person: Manager Zeng
Medium temperature Solder paste

Solder paste Sn63Pb37

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.


蜜臀色欲久久久999洲精品| 妺嘿嘿午夜福利| 国产精品国产三级国产试看| 欧美性爱,高清| 亚洲色图激情小说| 国产精品tv992在线观看| 亚洲熟女123区| 亚洲AV永久无码精品无码| 国产东北老熟女| 人妻无码一区二区不卡无码av | 狠狠躁双爽躁天天天天了码| 不卡乱辈伦在线看中文字幕| 懂色av中文一区二区三区在线播放网站 | 亚洲爱婷婷色婷婷五月| 蜜桃AⅤ无码在线| 伊人久久综合视频| 亚洲熟女综合色一区二区三区| 亚洲熟妇AV乱码在线观看黑木| www一区二区| 国产一区二区三区av在线无码观看 | 一本到无码AV专区无码| 精品国产一区二区三区国产区| 影音先锋每日av| 亚洲国产天堂久久综合226114| 操老熟女免费视频| 成人久久精品国产亚洲av| 中文AV电影| 欧美村妇激情内射| 欧洲洲AV秘 无码a毛| av免费网址在线观看| 亚洲春色cameltoe一区| 亚洲av日韩av综合在线观看| 8x8x拔插拔插海外永久免费视频| 又爽又黄又无遮挡的激情视频| yeyesaoav| 久久永久免费人妻精品下载| 亚洲AⅤ无码一区二区| 麻豆国产成人AV在线播放| 高潮潮喷奶水飞溅视频无码| 亚洲国产精品久久久天堂不卡海量| 国产精品99九九免费观看|