亚洲国产成人av网站-综合色就爱涩涩涩综合婷婷-全部露出来毛走秀福利视频-丰满人妻一区二区三区视频

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
Needle tube Solder paste

Solder paste Sn99Ag0.3Cu0.7

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.

主站蜘蛛池模板: 国产一区日韩二区欧美三区 | 在线精品亚洲一区二区动态图| 久久水蜜桃亚洲av无码精品| 国内精品九九久久久精品| 中国娇小与黑人巨大交 | 国产在线精品二区| 挺进大幂幂的滋润花苞御女天下| 欧美人与动xxxxz0oz| 色www永久免费视频| 成人试看120秒体验区| 内射女校花一区二区三区| 天堂在线资源中文在线8| 品色堂免费论坛| 国产精品无码av一区二区三区| 青楼妓女禁脔道具调教sm| 国内老熟妇对白xxxxhd| 三年片在线观看免费观看大全中国| 亚洲中文字幕无码一区在线| 欧美18videos极品massage| 无码专区丰满人妻斩六十路| 女m羞辱调教视频网站| 成人免费一区二区三区| 夜夜高潮夜夜爽夜夜爱爱| 女人高潮叫床三级视频| 大地资源免费更新在线播放| 四虎国产精品永久在线| 狂野欧美性猛交xxxx| 精品人妻潮喷久久久又裸又黄| 潮喷失禁大喷水aⅴ无码| 国产a√精品区二区三区四区| 国模无码一区二区三区不卡| 国产精品无码av在线播放| 大肉大捧一进一出视频 | 黑人教练与人妻小茹阅读| 成 人影片 免费观看| 国产日韩成人内射视频| 国产精品亚洲一区二区在线观看| 又大又硬又黄的免费视频| 精品国产乱码久久久久久1区2区| 国模叶桐尿喷337p人体 | 国产乱色精品成人免费视频|