一区日韩,丰满熟妇一区二区三区,奶头网站在线,澳门成人dvd无码视频

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
Medium temperature Solder paste

Solder paste PF-3503-C1

Product parameters

★Loose reflow process window
★Excellent wetting and tin eating ability
★Low 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.


无码专区视频精品老司机| 成人亚洲天堂| 天天摸夜夜爽| 色呦呦免费网| 国产自拍| 毛多孕妇性孕交xxxxxwww| 2023amazon欧洲站| 国产性情| 久久久蜜桃激情欧美| 中国欧美的黄片| 人人妻人人澡人人爽| 国产无码精品在线| 成人亚洲性情网站www在线| 无码电影一区| 黄色资源网| 人妻AV无码专区| 久久99国慘| 亚洲一码和欧洲视频| 亚洲色欲色欲欲www在线| 伊人99热| videoshd熟睡人妻| 506欧美亚洲视频| 色婷婷导航网| 你懂的潢涩视频| 欧美性受xxxx狂喷水| 国产成人精品亚洲av无人区一区| 无码精品一区二区| 中文字幕日韩无码一区二区| 国产精品免费99热2024一区| 中文字幕国产精品| 亚洲日韩精品视频一区二区| 2020久久久| 操操国产| 性视频网| 超碰91香蕉| 老色批网址| 在线色播| 337p亚洲精品色噜噜狠狠| 国产成人高清| 在线看片人成视频免费无遮挡| 人妻66|