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
Medium temperature Solder paste

Solder paste PF-3501-C1

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.


欧美精品久久久免费观看| 国产精品99久久免费观看| 性欧美xxxxsss| 性处破╳╳╳高清欧美| 国产伦精品一区二区三区照片| 欧美综合偷拍在线另类小说| 他揉捏她两乳不停呻吟小说| 希岛爱理aⅴ在线中文字幕| 91精品啪在线观看国产老湿机| 亚洲欧洲日韩一区二区三区| 艹b视频在线观看| 美女大黄动图| 黄色网址免费播放| 欧美精品第十页| 多p混交群体交乱嗯啊在线观看| 236宅宅理论片在线观看| 善良年轻的少妇2中文版免费观看| jizz性欧美15| 哦┅┅快┅┅用力啊┅┅动态图| 亚洲理论电影| 骸骨骑士大人异世界冒险中在线观看免费| 亚洲欧美国产一区二区| 手机看片伦理片| 性生活视频网址| 亚洲精品久久久久不卡激情文学| 啊用力嗯轻一点h女攻| 中文字幕伦理片| 在线污视频| 解开女部长的乳罩小说| 超碰在线观看完整版免费| 欧美日韩不卡一区二区三区| 亚洲成人黄色| 乡村野花香完整版免费阅读全文| 护士在办公室被躁到高潮| 在她体内撒尿h| 日韩免费黄色| 国精产品av| 99久久伊人精品综合观看| 日韩久久久av| 亚洲性天堂| 欧美肥妇bbwbbw|