成年女人18级毛片毛片免费-狠狠色色综合网站-亚洲精品无码乱码成人-成人午夜高潮a∨猛片-少妇被躁爽到高潮

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

★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: 国产饥渴孕妇在线播放| 中文字幕欧美日韩va免费视频| 无码avav无码中文字幕| 国产偷人妻精品一区二区在线 | 国产成人亚洲精品无码av大片| 在线 | 一区二区三区四区| 99精品人妻无码专区在线视频区| 亚洲旡码a∨一区二区三区| 国产精品久久久久久久久久免费看| 狠狠色综合网站久久久久久久| 精品免费视频| 正在播放熟妇群老熟妇456| 久久99久国产精品66| 国产精久久一区二区三区| 日本牲交大片无遮挡| 疯狂做受xxxx高潮欧美日本| 伊人久久大香线焦av色| 国产精品久aaaaa片| 久久精品九九热无码免贵| 久久久久久久曰本精品免费看 | 久久精品欧美日韩精品| 亚洲一区二区三区国产精品无码 | 极品老师腿张开粉嫩小泬| 久久人人爽人人爽人人片dvd| 97免费人妻在线视频| 中文字幕精品亚洲一区| 欧洲精品欧美精品| 亚洲精品国产第一区二区尤物| 岛国无码| 亚洲精品乱码日本按摩久久久久| 久久中文字幕无码中文字幕有码| 久久成人免费精品网站| 日韩a片无码一区二区五区电影| 色爱av综合网站| 波多野结衣av一区二区无码| 国产午夜福利精品一区| 国产乡下三级全黄三级bd| 日日躁夜夜躁白天躁晚上| 四虎亚洲中文字幕无码永久| 精品无码一区二区三区的天堂| 成人无码特黄特黄av片在线|