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
Needle tube Solder paste

Solder paste Sn42Bi58

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: 久久精品中文闷骚内射| 亚洲av成本人无码网站| 亚洲午夜久久久久妓女影院| 亚洲av无码国产在丝袜线观看| 扒开腿狂躁女人爽出白浆| 欧美老熟妇喷水| 国产精品一区二区av麻豆| a级国产乱理论片在线观看 | 亚洲av无码久久精品狠狠爱浪潮| 国产精品户外野外| 88国产精品视频一区二区三区| 国产在线精品国自产拍影院同性 | 黑人巨大粗物挺进了少妇| av天堂中av世界中文在线播放| 最新精品国偷自产在线| 日本边添边摸边做边爱喷水| 色欲精品国产一区二区三区av| 亚洲国产精品一区二区成人片国内| 97一期涩涩97片久久久久久久| 久久久久亚洲av无码麻豆| 欧美性狂猛xxxxxbbbbb| 亚洲av成人一区二区三区观看在线| 三级做a全过程在线观看 | 午夜三级a三级三点窝| 精品人妻系列无码专区| 日韩精品人妻av一区二区三区| 欧美肥老太牲交大战| 搡老熟女老女人一区二区| 国产xxxxx在线观看| 国产精品亚洲一区二区在线观看| 无码人妻精品一二三区免费| 久久久亚洲av成人网站| 在线观看国产成人av片| 久久无码高潮喷水| 日韩欧美激情兽交| 真人性囗交视频| 无码少妇一区二区三区芒果| 放荡的美妇在线播放| 欧美日韩亚洲中文字幕二区| 亚洲国产婷婷香蕉久久久久久| 亚洲美女又黄又爽在线观看|