久久免费看黄a级毛片_日本丰满护士爆乳xxxx_狠狠干狠狠爱_亚洲乱妇熟女爽到高潮的片_亚洲精品亚洲人成在线下载

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 Sn45Pb55

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: 精品欧美乱码久久久久久1区2区| 少妇扒开腿让我爽了一夜 | 一二三四视频社区在线| 国产精品视频永久免费播放| 波多野结衣免费一区视频| 亚洲午夜免费福利视频| 青青草视频免费观看| 亚洲依依成人亚洲社区| 免费无码毛片一区二三区| 亚洲www啪成人一区二区| 亚洲国产av高清无码| 精品无码一区二区三区| 人妻巨大乳挤奶水hd免费看| 久久老子午夜精品无码怎么打| 国产美女在线精品免费观看| 久久夜色精品国产噜噜麻豆| 欧美亚洲色欲色一欲www| 久久香蕉国产线看观看精品yw | 超薄肉色丝袜一区二区| 熟女少妇精品一区二区| 97在线观看视频| 美女18禁一区二区三区视频| 7777奇米四色成人眼影| 大屁股熟女白浆一区二区| 日韩免费无码人妻波多野| 精品久久久久久成人av| 亚洲av无码专区在线| av一本久道久久波多野结衣| 久久www香蕉免费人成| 精品无码av无码专区| 国产99视频精品免视看7| 国产成人精品123区免费视频| 色久综合网精品一区二区 | 欧美乱妇日本无乱码特黄大片| 1000部啪啪未满十八勿入下载| 国产av无码久久精品| 曰韩少妇内射免费播放| 精品欧洲av无码一区二区| 性色av 一区二区三区| 国内精品久久久人妻中文字幕| 啊轻点内射在线视频|