超碰国产先锋,亚洲成A人片77777在线播放,嗯嗯啊电影在线网站,大陆激情网站

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
Medium temperature Solder paste

Solder paste PF-3503-C2

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.



亚洲av中文乱码一区二| 久久久亚洲AV成人无码| 日韩经典一区在线| 97色视频在线| 高清高清高清高清性性性性性| 欧洲成人AV| 91人妻在线视频| 乐播AV色欲AⅤ| 激情五月欧美| 狠狠综合久久AV一区二区小说| 桃秀午夜福利视频| 漂亮人妻当面被朋友玩弄| 久久久久99精品国产片| 久久无码桃色视频| 一个人看的www视频免费观看| 欧美丰满熟妇bbbbbb百度| 国产精品乱码久久久久久软件| 丰满人妻一区二区三区无码av| 插插网狠狠插狠狠干| 国产综合色产| 日本中文字幕视频| 日本阿v免费观看视频| a久久se久a| 久久久免费爱| 国产绳艺sm调教室论坛| 久久久久9999| 馬与人黃色毛片一部| 亚洲精品中字中出无码| 国产精品 乱伦| 成视人a免费观看 视频| 精品福利国产在线| 欧美交受 高潮1| 人妻少妇精品无码一区二区三区| 一卡2卡3卡4卡5卡精品视频| 被三个男人绑着躁我好爽| 91午夜福利片人妻无码| 欧美xxxx极品| 精品一区精品二区制服| 一区在线播放| 国产精品一区肥臀在线| 国产亚洲精品第一综合另类|