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.



亚洲综合在线亚洲优优色| 国产在线精品无码AV不卡顿| 产免费AV片在线观看播放| 国产精品成人性爱视频| 精品一区二区三区影院在线午夜| 亚洲乱码一区二区三区成人小说| 浪潮无码少妇AV一区二区三区 | 久久天天躁狠狠躁夜夜不卡| 欧美成人精品高清在线观看| 亚洲中文精品无码| 91久久精品日日躁夜夜躁欧美| 综合91在线精品| 性爱三级片精品久久久| 欧美精品色婷婷五月综合| 精品包射专区| av无码中出一区二区三区| av熟女资源| 在线看片免费人成视频久网| 中文无码亚洲精品字幕在线观看 | 久久天天躁狠狠躁夜夜2020老熟妇| 成人午夜福利视频后入| 性欧美老妇另类xxxx| 黑人牲交视频全部| 亚洲电影国产一区| 亚洲VA无码专区国产乱码| 欧美乱婬交换粗大视频| 亚洲AV无码乱码精品一区二区| 同性男男黄gay片免费| 黑人处破女免费播放| 巨爆乳中文字幕爆乳区| 人人操人人操人人操| 国产精品内射后入合集| 2020国产欧洲精品网站| 一二三四视频社区3在线高清| 免费吻胸抓胸激烈视频网站| 成人白浆超碰人人人人| 先锋资源无码| 成人无码毛片在线网站| 国产三级韩国三级日产三级| 户外裸露视频第一区| 欧美熟妇潮喷|