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
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: 囯产免费久久久久久国产免费 | 奶头从情趣内衣下露了出来AV | 亚洲免费观看在线视频 | 国产又粗又猛又爽又黄的免费视频 | 久久女婷五月综合色啪 | 国产欧美第一页 | 99久久综合国产精品免费 | 欧美色妞AV重囗味视频 | 美女议员被泄裸照 | 免费国产午夜理论不卡 | 精品久久香蕉国产线看观看麻豆 | 亚洲精品无码专区在线播放 | 琪琪午夜福利免费院 | a4you销魂gogo人体| 国产国产人免费观看在线视频 | 久久精品亚洲精品国产欧美 | 99亚洲精品自拍AV成人软件 | 亚洲AV成人无码999WWW | 国产人A片777777久久 | 精品AV亚洲乱码一区二区 | 国产69TV精品久久久久99 | 国产啪精品视频网免费 | 国产看午夜精品理论片 | 一本道色综合手机久久 | 国产高清视频在线播放www色 | videossexotv极度另类 | 嫩草伊人久久精品少妇AV网站 | 能看的黄页最新网站 | 极品少妇伦理一区二区 | 熟妇的味道HD中文字幕 | a三级黄色片 | 99久久免热在线观看 | 忘忧草在线影院WWW日本二 | 国内精品久久久久影院男同志 | 69久久国产精品热88人妻 | 国产人妻人伦精品熟女麻豆 | 十八禁肉动漫无修在线播放 | 国产精品久久久久a影院 | 伊人久久大香线蕉电影院 | 一个人在线观看视频 | 囯产精品麻豆巨作久久 |