一级特黄视频-一级特黄aa大片欧美-一级片mp4-一级毛片直接看-久久99热在线观看7-久久99热狠狠色一区二区

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 PF-3503-C2

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.



主站蜘蛛池模板: 久久精品国产亚洲AV忘忧草蜜臀 | 特黄大片aaaaa毛片 | 97色伦图片97色伦图影院久久 | 日韩精品a在线视频 | 久久久久琪琪精品色 | 色姐妹久久综合在线av | 美女大鸡鸡 | 免费视频精品38 | 色婷婷综合久久久久中文一区二区 | 久久亚洲国产成人影院 | 国产精品自在自线亚洲 | 亚洲精品视频在线播放 | 香蕉久久夜色精品国产小说 | 国产精品自在在线午夜蜜芽tv在线 | 好男人在线观看视频观看高清视频免费 | 国产午夜精品不卡观看 | 国产成人亚洲精品老王 | 中文日韩亚洲欧美字幕 | 国产亚洲精品久久综合阿香 | 国产乱妇乱子在线播视频播放网站 | free俄罗斯性xxxxhd派对 | 九九国产精品成人AV麻豆 | 国产午夜精品久久理论片 | 日本福利片午夜免费观着 | 久久国产热视频99rev6 | 99re久久免费热在线视频手机 | 永久精品视频无码一区 | 九九热在线视频观看这里只有精品 | 黑人阴茎插女人图片 | 欧洲-级毛片内射八十老太婆 | bt成人社区 | 国产叼嘿久久精品久久 | 国产乱妇乱子在线播视频播放网站 | 国产精品美女久久久网站动漫 | 少妇系列之白嫩人妻 | 夜夜草导航 | 欧洲馒头大肥p | 国产露脸无码A区久久 | 韩国演艺圈qvod | 国内精品视频一区二区在线观看 | 亚洲乱码爆乳精品成人毛片 |