欧美大片欧美激情性色A∨在线_韩国三级《老师的秘密》_92久久av嫩草影院性色_奶水h人妻销魂共妻高h_精品熟女60老妇av免_国产在线观看WWW污污污_日欧一片内射va在线影院_免费高清视频 大片_灭火宝贝中文字幕在线观看

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: [email protected]
Address: Dongguan lvzhidao Metal Co., Ltd
Contact person: Manager Zeng
Low temperature Solder paste

Solder paste PF-4258-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.


女人被男人扒开双腿猛进入的视频| 女人扒开尿口给男人捅| 成年免费大片黄在线观看一级| 麻豆成年进入人口| 免费男阳茎伸入女阳道120秒| 性生交大片免费1| 国产不卡123| 情侣黄网站| 国产一区在线视频播放| 韩国女人做爰视频| 国产精选网站| 一级黄色录像免费的| 三上悠亚电影观看| 美女张开腿让我捅| 好姑娘国语高清| 国产剧情一区二区| 想cao死你嗯~啊~嗯男男| 国产一级片观看| 91草莓视频下载| 麻豆大bbwbbwbbw播放| 唐人社唐人社美国导航十次啦| 扒开腿挺进湿润的花苞剧情介绍| 一受n攻高h全肉np男男| 裸体丰满少妇淫交| 精品久久久爽爽久久男人和男人| old granny| 老局长玩娇妻呻吟声不停| 王珞丹早期三级裸体电影| 免费看的一级片| 被添出水全过程视频| 国产精品69午夜妇大片| 伊人久久大香线蕉综合啪小说| 性生交生活片3| 动漫美女巨乳被吸羞羞视频| 第一福利视频网| 她开始慢慢迎合男人的小说免费阅读| 爆操白丝美女| 疯狂欧美牲乱大交777| 国产一级做a| 亚洲桃色综合影院| 国产一区极品|