久久精品国产久精国产_欧美极品少妇性运交_久久人人爽人人人人片_国产午夜片无码区在线播放_在线观看午夜亚洲一区

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 Sn50Pb50

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: 国产偷窥熟妇高潮呻吟| 欧美极度丰满熟妇hd| 亚洲日韩中文字幕一区| 成人无码免费一区二区三区| 国语对白做受xxxxx在线中国| 亚洲av日韩综合一区二区三区| 午夜精品久久久久久久久久久久| 日韩 亚洲 制服 欧美 综合| 欧美熟妇丰满肥白大屁股免费视频 | 久久超乳爆乳中文字幕| 国产成人精品午夜福利| 精品一卡二卡三卡| 无遮挡啪啪摇乳动态图gif| 精品国产久九九| 午夜无码人妻av大片色欲| 亚洲av无码国产精品久久| 免费情侣作爱视频| 美女扒开屁股让男人桶| 亚洲综合精品伊人久久| 中年熟妇的大黑p| 日本老熟妇毛茸茸| 日韩av无码一区二区三区不卡毛片| 精品欧美аv高清免费视频| 亚洲午夜无码久久久久| 日本一本免费一二区| 久久人人爽av亚洲精品天堂| 久久综合综合久久综合| 精品国产av 无码一区二区三区| 亲嘴扒胸摸屁股激烈网站| 成人无码av网站在线观看| 国产婷婷色一区二区三区| 国产女人18毛片水真多1| 国产精品久久国产精品99| 国产欧美在线观看不卡| 麻豆亚洲av成人无码久久精品| 亚洲av无码无在线观看红杏| 亚洲精品一区二区三区麻豆 | 亚洲精品自产拍在线观看| 午夜福利一区二区三区在线观看| 97久久人人超碰超碰窝窝| 久久99精品久久久久子伦|