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

★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.


主站蜘蛛池模板: 久久精品人妻中文系列| 国产精品久久久久9999高清| 亚洲欧美日韩高清一区| 米奇7777狠狠狠狠视频影院| 日产精品久久久久久久| 欧美日韩一区二区三区在线观看视频| 成人免费区一区二区三区| 97夜夜澡人人爽人人喊中国片| 成人天堂资源www在线| 国产精品特级毛片一区二区三区 | 777奇米四色成人影视色区| 中出人妻中文字幕无码| 亚洲色噜噜网站在线观看| 国产成人一区二区三区| 69国产成人综合久久精品| 日韩丰满少妇无码内射| 蜜桃最新网址| 色窝窝无码一区二区三区色欲| 无罩大乳的熟妇正在播放| 亚洲日韩成人无码| 挺进邻居丰满少妇的身体| aa片在线观看视频在线播放| 99久久99久久久精品齐齐| 少妇邻居内射在线| 国产成人精品白浆久久69| 99久久国语露脸精品国产| 97久久久久人妻精品专区| 五十路亲子中出在线观看| 免费a级毛片无码免费视频| 少妇愉情理伦片bd| 一女三黑人玩4p惨叫 | 中文 在线 日韩 亚洲 欧美| 影音先锋久久久久av综合网成人 | 69久久夜色精品国产69| 精品无码无人网站免费视频| 蜜臀亚洲av无码精品国产午夜. | 国产精品 自在自线| 国产亚洲情侣一区二区无| www国产精品人妻一二三区| 99国内精品久久久久久久| 最近最好看的2018中文字幕电视剧|