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
Low temperature Solder paste

Solder paste PF-4258-C

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.



伊人精品在线| 中文字幕手机看片| 日本人妻熟妇丰满久久久六| 国产毛片久久| 亚洲乱码在线视频| 久久精品99国产| 国产欧美日韩综合在| 97色伦合视频在线| 日本高清精品| 6080精品无码视频| 超级碰碰碰97资源| 中文字幕无码无码专区| 无码不卡在线观看| 突泉县| 日韩欧美一个黄片| 久久婷婷五月综合色精品| 天天天干夜夜操| 欧美日韩国产精品系列区| 国产亚洲AV毛片二区奶水好多| 色狠狠热噜噜噜| 亚洲婷婷AV无码| 欧美,日韩综合久久| 91AV在线免费观看| 亚洲欧洲视频在线| 亚洲综合经典自在| 日韩天堂一区| 欧美自拍视频| 日本在线视频WWW鲁啊鲁| 2018天天躁夜夜躁狠狠躁| 无码成人免费视频| 一区二区在线中文字幕| 久久露脸| 黑人强辱丰满的人妻熟女| 久久婷婷精品| 爱爱综合亚洲色| 午夜精品一区二区| 稷山县| 国产在线你懂| www.大香蕉| 乐山市| 99久久精品国产免费|