激情伊人五月天久久综合_亚洲 欧美 清纯 校园 另类_久久久久av无码免费网_天堂国产一区二区三区_亚洲一区 日韩精品 中文字幕

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
Low temperature Solder paste

Solder paste PF-4258-C

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: 免费看一区二区三区四区| 日韩激情无码免费毛片| 狠狠色狠狠色综合| 欧美成人看片黄a免费看| 精品+无码+在线观看| 解开人妻的裙子猛烈进入| 国产农村熟妇videos| yy111111少妇无码理论片| 先锋影音xfyy5566男人资源| 亚洲综合一区国产精品| 台湾佬自拍偷区亚洲综合| 亚洲一久久久久久久久| 欧美人与牲动交xxxx| 粗了大了 整进去好爽视频| 国产熟妇搡bbbb搡bbbb搡| 中文字字幕在线精品乱码| 国产乱码一区二区三区| 国产伦精品一区二区三区免费| 日本丰满少妇xxxx| 无码精品一区二区三区在线 | 日本大胆欧美人术艺术| 亚洲av成人网| 欧洲vat一区二区三区| 三级国产三级在线| 全国最大成人网| 国产免费拔擦拔擦8x高清在线人| 亚洲avav天堂av在线网毛片| 亚洲乱亚洲乱妇24p| 两个人看的www视频免费完整版 | 免费网站看v片在线18禁无码| 蜜桃视频一区二区在线观看| 亚洲av成人片在线观看| 日本japanese丰满多毛| 亚洲成a人片在线观看中文| 一区二区三区在线 | 网站| 体育生gay自慰网站| 下面一进一出好爽视频| 国产sm鞭打折磨调教视频| 欧洲熟妇色 欧美| 日本丰满熟妇hd| 18禁男女无遮挡啪啪网站|