精品一区二区三区免费视频,国产麻豆精品福利在线观看,国内精品自在自线视频,久久久久亚洲av无码专区桃色

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 Sn63Pb37

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.


国产在线永久视频| 男人吃奶摸下挵进去好爽| 日本高清无卡码一区二区久久| 亚洲精品乱码一区二区三区| 国产大陆xxxx做受视频| 三叶草欧洲码在线| 亚洲精品专区成人网站| 久久人人爽人人爽人人片亞洲| 波多野42部无码喷潮在线| 色综亚洲国产vv在线观看| 国产仑乱无码内谢| 国产av无码专区亚洲版综合| 国产三级av在线播放| 国产一区二区三区导航| 无码人妻精品一区二| 国产粉嫩馒头无套内在线观看免费| 午夜福利国产成人无码gif动图| 亚洲精品久久久久久久不卡四虎| 狠狠久久亚洲欧美专区| 国产精品毛片一区二区三区| 国产在线第一区二区三区| 亚洲a∨国产av综合av网站| 国产av亚洲精品久久久久李知恩| 午夜福利国产成人无码gif动图| 欧美精品一区二区三区在线| 亚洲无线一二三四区手机| 国产黄a三级三级三级av在线看| 真实国产乱人伦在线视频播放| 无码人妻丰满熟妇啪啪| 无线日本视频精品| 天堂8在线天堂资源bt | 成人免费无遮挡无码黄漫视频| 亚洲精品无码久久一线| 免费国产黄网站在线观看视频 | 亚洲 一区二区 在线| 成人午夜特黄aaaaa片男男| 精品久久久久久无码国产| 精品偷自拍另类在线观看| 一本无码久本草在线中文字幕dvd| 99精品视频在线观看| 中文字幕乱妇无码av在线|