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 Sn55Pb45

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: 折磨比基尼美女挠肚子 | 日本污ww视频网站 | 欧美午夜a级精美理论片 | 亚洲人成www在线播放 | 国产高清精品国语特黄A片 国产高清国内精品福利色噜噜 | 午夜一级毛片看看 | 午夜精品国产自在现线拍 | 久久99热只有频精品 | 娇女的呻吟亲女禁忌h16 | 欧美 亚洲 另类 综合网 | 琪琪电影午夜理论片77网 | 纯肉巨黄H爆粗口男男分卷阅读 | 99re久久超碰视频精品 | 男人的天堂久久精品激情a 男人的天堂黄色片 | 网友自拍偷拍 | 一个人的免费高清影院 | 黄色软件视频app | 日本精品久久久久中文字幕 | 亚洲男人片片在线观看 | 国产精品7777人妻精品冫 | 色欲av蜜臀av高清 | 无码一卡二卡三卡四卡 | 无套内射纹身女视频 | 俄罗斯美女性生活 | 某上海少妇3P黑人完整版BD | 老师在讲桌下边h边讲课 | 国产人妻精品午夜福利免费不卡 | 久久99re2热在线播放7 | 内射气质御姐视频在线播放 | 在线观看视频亚洲 | 黄色三级在线观看 | 久久国产伦子伦精品 | 两个客户一起吃我的奶 | 国产精品久久久久久人妻精品流 | 亚洲精品网址 | 欧美阿v在线免播播放 | 国产呦精品一区二区三区网站 | 婷婷五月久久丁香国产综合 | 性高跟鞋xxxxhd | AV色蜜桃一区二区三区 | 亚洲欧美一区二区三区蜜芽 |