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
Needle tube Solder paste

Solder paste Sn60Pb40

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.



色戒2小时38分钟完整版链接| 人妖精品| 野草av| 欧美日韩不卡| 日本无遮羞打屁股调教| 陪读性事满足初尝欢爱| 教室脔到她哭h粗话h好爽小说| 性生活一级录像| 视频一区二区三区视频| 亚洲国产精品一二三区| 伦理片日韩| 夜夜夜夜曰天天天天拍国产| 国产精品视频啪啪| 餐桌下顶撞h厨房play视频| 花房姑娘免费观看全集| aa视频在线播放| 久久传媒av性色av人人爽网站| 抱着h边吃饭边做h男男| 欧美一级激情| 丰满雪白极品少妇流白浆| 在线观看国产精品自拍| 她丈夫面前被耍了k8经典| 男人操女人视频免费观看| 丝袜好紧我要进去了| av解说在线观看| sm肉重口虐调教尿奴视频网站| 1300多台外国电视破解版| 1v1双性受整夜不拔bl| 女人添男人囗交做爰先从哪里开始| 国产午夜夜伦鲁鲁片| 亚洲精品高清视频在线观看| 曰批全过程免费视频| 美国十大军工公司| 好大好硬好深好爽想要之黄蓉| 扒开女人下部添高潮的软件| 先锋资源国产| 久热最新视频| 苏媚儿小说免费在线阅读| 一区二区三区国产精品视频| 日本一级大黄爱做片| 国产鲁鲁视频在线观看免费|