久久国内精品_一区二区三区国产视频_黄视频网站免费观看_中文字幕色站_国产综合亚洲精品一区二_亚洲欧美在线人成swag

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: 久久国产精品1区2区3区网页 | 亚洲午夜成人精品无码色欲 | 久青草国产97香蕉在线视频 | 九九99久久| 特级做a爰片毛片免费看108 | 国产成人午夜极速观看 | 亚洲国产精品激情在线观看 | 人妻在厨房被色诱 中文字幕 | 精品久久久久久久久免费影院 | 午夜亚洲福利在线老司机 | 国产精品一区二区三区四区 | 亚洲精品在线播放 | 日本少妇被黑人猛cao | 久久综合九色综合97欧美 | 粗大猛烈进出高潮视频免费看 | 黄色在线视频免费观看 | 久久精品九九亚洲精品 | 中字无码av电影在线观看网站 | 日韩亚洲色图 | 能在线观看的一区二区三区 | 色婷婷综合欧美成人 | 婷婷午夜天 | 欧美性高清在线视频 | av无码专区亚洲avl在线观看 | 免费人成年激情视频在线观看 | 日韩精品无码一区二区三区免费 | 欧美一区二区三区在线可观看 | 婷婷五月日韩av永久免费 | 香蕉av久久一区二区三区 | 久久在线观看免费视频 | 国产精品免费久久久免费 | 女同视频一区二区在线观看 | 男女肉粗暴进来动态图 | 日本在线视频毛片 | 亚洲国产精品一区第二页 | 99国产精品视频久久久久 | 台湾佬中文娱乐网22 | 男女做爰猛烈叫床视频免费网站 | 亚洲线精品一区二区三区影音先锋 | 天天天天添天天拍天天谢 | 国内精品久久久久久 |