超碰人人超在线观看,欧美日韩视频高清一区,亚洲人成影院在线观看网色,国产精品久人妻精品

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
Solder paste

Solder paste PF-3704-H2

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.


国产一区二区不卡在线播放| 亚洲国产性生活高潮免费视频| 日本美国三级黄色aa| 国产欧美日韩不卡在线视频| 偷拍美女洗澡免费视频| 九九热精品视频免费观看| 日本免费一本一二区三区| 国产精品涩涩成人一区二区三区| 国产亚洲成av人在线观看| 亚洲三级视频在线观看免费| 91精品日本在线视频| 日韩黄色大片免费在线| 九七人妻一区二区三区| 欧美一区二区三区不卡高清视| 欧美中文字幕一区在线| 亚洲国产综合久久天堂| 国产精品久久男人的天堂| 亚洲一区二区精品免费视频| 美女黄色三级深夜福利| 欧美亚洲91在线视频| 欧美尤物在线视频91| 久久碰国产一区二区三区| 日韩精品人妻少妇一区二区| 少妇熟女精品一区二区三区| 午夜亚洲精品理论片在线观看| 麻豆91成人国产在线观看| 欧美精品二区中文乱码字幕高清| 日韩免费午夜福利视频| 精品日韩国产高清毛片| 色好吊视频这里只有精| 日韩中文字幕狠狠人妻| 精品国产亚洲一区二区三区| 欧美午夜一级特黄大片| 这里只有九九热精品视频| 99久热只有精品视频最新| 欧美一本在线免费观看| 免费观看日韩一级黄色大片| 欧美亚洲三级视频在线观看| 国产99久久精品果冻传媒| 丁香七月啪啪激情综合| 亚洲欧洲精品一区二区三区|