精品一区二区三区免费视频,国产麻豆精品福利在线观看,国内精品自在自线视频,久久久久亚洲av无码专区桃色

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
Needle tube 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.


亚洲va中文慕无码久久av| 最新亚洲春色av无码专区| 国产精品女主播在线视频| 欧美黑人疯狂性受xxxxx喷水| 国产人妻人伦精品婷婷| 成人免费xxxxx在线观看| 宅宅少妇无码| 国产精品久久久久蜜芽| 麻豆久久久9性大片| 亚洲 欧美 中文 日韩aⅴ手机版| 精品人人妻人人澡人人爽牛牛| 少妇高潮喷水惨叫久久久久电影| 精品人妻久久久久久888| 久久综合97丁香色香蕉| 中文字幕在线精品视频入口一区| 在线视频 一区 色| 狼友av永久网站免费观看| 日本巨大的奶头在线观看| 丰满岳妇乱一区二区三区| 狠狠五月深爱婷婷| 伊人久久大香线蕉综合75| 国产极品jk白丝喷白浆图片| 欧美大成色www永久网站婷| 少妇人妻偷人精品无码视频新浪| 中文有码人妻字幕在线| 中文天堂国产最新| 欧洲熟妇色 欧美| 色偷偷色噜噜狠狠网站久久| 久久无码中文字幕免费影院蜜桃| 一本色综合网久久| 亚洲人成在线影院| 精品日韩欧美一区二区在线播放 | 激情综合色综合啪啪开心| 黑人强伦姧人妻日韩那庞大的 | 人妻无码久久精品| 欧美成人精品一区二区综合a片 | 亚洲国产成人久久综合区| 精品国内在视频线2019| 精品一区二区成人精品| 娇妻被黑人粗大高潮白浆| 亚洲日韩精品无码专区|