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 PF-6337-C2

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: 日韩插啊免费视频在线观看| 看免费真人视频网站| 亚洲.欧美.在线视频| 在线看片无码永久免费视频| 成人激情五月天| 国产成人乱色伦区| 无码精品人妻一区二区三区av| 国产精品高潮呻吟av久久4虎| 亚洲一区精品二人人爽久久| 18禁裸乳啪啪无遮裆网站| 欧美国产日韩在线三区| 国产丰满老熟女重口对白| 色噜噜狠狠色综合久夜色撩人| 欧美毛片无码又大又粗黑寡妇| 无码人妻视频一区二区三区| 国产真人做爰视频免费| 色噜噜狠狠色综合久夜色撩人| 夜夜欢天天干| 无码一区二区三区中文字幕| 久久a级毛片免费观看| 亚洲人成在线观看| 国产精品亚洲综合色区| 99热久久精里都是精品6| 国产产在线精品亚洲aavv| 丰满的少妇被猛烈进入白浆 | 久久久国产99久久国产久麻豆| 男男车车的车车网站w98免费| 亚洲精品日本久久一区二区三区| 欧美人妻日韩精品| 中文字幕一区二区人妻性色| 日产精品久久久久久久蜜臀| 一本大道熟女人妻中文字幕在线| 国产精品日日做人人爱| 精品一区二区三区无码免费直播 | 在线观看午夜亚洲一区| 国产高清不卡免费视频| 久久亚洲日韩精品一区二区三区| 琪琪女色窝窝777777| 亚洲欧美色中文字幕在线| 欧美激情一区二区三区| 毛片在线播放a|