亚洲国产成人av网站-综合色就爱涩涩涩综合婷婷-全部露出来毛走秀福利视频-丰满人妻一区二区三区视频

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: 欧美日韩国产在线人成| 中国少妇内射xxxx狠干| 亚洲av综合永久无码精品天堂| 无套内射在线无码播放| 国产欧美在线观看不卡| 午夜福利国产成人无码gif动图 | 人妻av资源先锋影音av资源| 亚洲av无一区二区三区| 中国精学生妹品射精久久| 国产欧美久久久精品影院 | 永久黄网站色视频免费观看| 无码av一区二区大桥久未| 18成人片黄网站www| 亚洲日韩成人无码| 欧美精品偷自拍另类在线观看 | 又爽又黄无遮挡高潮视频网站| 欧美日韩一卡2卡三卡4卡 乱码欧美孕交| 人妻中文字幕无码系列| 亚洲最大的成人网站| 无码人妻丰满熟妇啪啪网站| 无套内射视频囯产| 国产一区二区三区日韩精品 | 特级无码毛片免费视频尤物| 日韩精品无码人妻一区二区三区| 国产精品久久久久久久影院| 国产果冻豆传媒麻婆精东| 人妻少妇精品久久久久久| 欧美午夜精品一区二区蜜桃| 69精品人人人人| 免费人成黄页在线观看国产 | 亚洲精品夜夜夜妓女网| 亚洲 欧美 小说| 蜜臀aⅴ国产精品久久久国产老师 精品国产午夜福利在线观看 | 欧美高清精品一区二区| 又黄又爽又高潮免费毛片| 久久亚洲av成人无码电影| 24小时日本高清www| 少妇被粗大的猛进69视频| av怡红院一区二区三区 | 国产av仑乱内谢| 吃奶揉捏奶头高潮视频|