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: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

★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.


中文天堂资源在线www| 欧美大屁股熟妇bbbbbb| 亚洲无码AV在线免费播放| 国产青春草视频| 亚洲无码成人黄色毛片在线播放 | 中国丰满少妇人妻xxx性董鑫洁| 顶级少妇无码| 一区二区三区日本韩国| 菲菲影视城一区二区三区四区| 精品久久久久久成人av| 青草影院内射中出高潮| 人人艹,人人摸| 狼人综合网址| 日本丰满熟妇videossex| 高清无码人妻子| 无码人妻一区二区三区免费v| 欧洲亚洲国产精华液| 久久精品这里热有精品| www.av无码| 99国际精品| 国产人妻精品久久久久野外| 久久人妻vlp| 亚州HD熟女| 久久香蕉福利av| 国产美女无套粉嫩白浆在线| 日韩精品久久无码中文字幕| 美女视频黄频A美女大全| 91亚洲精华国产精华精华乳| 亚洲欧美成人网址| 亚洲色欲一区二区三区| 欧美成人一区二区三区在线视频| 毛多水多日B片| 免费a级毛片子| 青春草视频在线播放2019| 国语对白国产av天堂| 久久亚洲av午夜福利精品一区| 国内露脸少妇精品视频| 伊人春色成人| 天堂www中文在线| 国产精品丝袜黑色高跟| 久久免费不卡AV|