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 Sn55Pb45

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.


毛片无限精品天堂粗大无码| 日本视频高清一区二区三区| 亚洲天堂男人| 久久久久久91亚洲精品中文字幕 | 中出无修正无码内射国产精品| 无码人妻精品一区二区三区视频| 性开放的女人aaa片| 国产AV资源站| 国产在线观看网站| 欧洲无码高清视频| 天天色天天插| 九七色色资源总站| 少妇无码内谢| 99国产精品久久久久久久液| 久久精品成人亚洲另类欧美| 色婷婷大伊香蕉精品视频| 国产精品国产av国产三级| 91久久人澡人娄从做从爽| 精品人妻人人爽人人躁人人躁| 国产精品9999久久久久| 色婷婷一区二区三| 亚洲免费高清专区一区二区| 一人高清无码在线观看| 无码人妻丰满熟妇XXXXX| 午夜黄色在线| 午夜蜜桃模特| 婷婷综合久久中文字幕| 50路熟妇雪白的屁股| www.国产伊人v.com| 亚州精品无码久久aV字幕| 九色porny注册入口| JK制服白丝超短裙自慰| 精品亚洲国产成人av| 无码免费日韩人妻| 人人妻人人操人人DVD| 国内大量揄拍人妻在线视频| 在线a人片免费观看| 日本69AV| 天干天天爽国产精品视频| 亚洲天堂视频网站| 波多野结衣连续高潮20次|