一级特黄视频-一级特黄aa大片欧美-一级片mp4-一级毛片直接看-久久99热在线观看7-久久99热狠狠色一区二区

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: [email protected]
Address: Dongguan lvzhidao Metal Co., Ltd
Contact person: Manager Zeng
Solder paste

Solder paste Sn50Pb50

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.


主站蜘蛛池模板: 成a人片亚洲日本久久 | yellow日本高清在线 | 成人a视频在线观看 | 精品国产一区二区三区久久影院 | 在线观看免费视频播放视频 | 北原多香子qvod | 一本之道加勒比在线观看 | 蜜柚在线观看免费高清官网视频 | 亚洲国产在线精品国自产拍五月 | 亚洲成人99| 国产精品成人免费 | 亚洲欧美成人 | 4438全国免费观看 | 亚洲国产高清福利视频 | 欧美另类一区 | 欧美激情性AAAAA片欧美 | 午夜国产免费视频亚洲 | 大中国免费视频大全在线观看 | 午夜伦理yy44008影院 | 一本色道久久综合亚洲精品加 | 成人天堂婷婷青青视频在线观看 | CHINA中国东北GURMA | 国产午夜精品美女免费大片 | 日本XXXXZZX片免费观看 | 成人国产在线观看 | 高清大胆欧美videossexo | 小妇人电影免费完整观看2021 | 成人动漫百度影音 | 白丝美女被狂躁免费漫画 | 国产午夜亚洲精品区 | 视频一区在线免费观看 | 毛片免费观看 | SAO货腿张开JI巴CAO死我 | 国产精品-区区久久久狼 | 久久精品无码一区二区日韩av | 小sao货水好多真紧h的视频 | 中文在线日韩亚洲制服 | 在线成 人av影院 | 神马影院在线eecss伦理片 | 国产在线播放91 | 美女也烦恼主题曲 |