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
Solder paste

Solder paste Sn55Pb45

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.


久久人体视频| 久久日本片精品aaaaa国产| 成年人视频在线观看一区| 国产激情久久久久影院 | 日韩午夜福利无码专区a| 国产乱子视频观看| 亚洲一区二区蜜臀中出| 亚洲亚洲中文字幕无线码| 国产精品成人毛片| 毛多孕妇性孕交XXXXXWWW| www.在线看亚洲AV| 国产男人天堂| 欧洲激情乱小说网站| 成年免费毛毛| 久久婷婷五月综合色99啪ak| 色综合天天综合欧美综合| 99久久久无码国产精品不卡| 欧美成人色图色小说| 国际av天堂| 狠狠精品久久久无码中文字幕| 亚洲精品久久久蜜桃| 亚洲 国产 韩国 欧美 在线| 久久久久久AV噜噜噜噜噜| 国产av.con| 护士av无码在线观看| 免费看男女做羞羞的事网站| 美女毛片一区二区三区四区| 久久精品国产亚洲av天海翼| 天天操夜夜操很很干| 人人操人人爽人人乐| 99精品视频在线观看免费蜜桃| 国产av中文字幕精品| 日韩精品一区二区亚洲av观看| 天天日夜夜爽| 成人亚洲一区无码久久| 少妇人妻偷人精品无码视频新浪| 欧美寡妇性猛交ⅩXXX| 久久AA视频| 国内精品自线在拍| 国产精品人妻久久无码不卡| 亚洲秘av乱伦|