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
Low temperature Solder paste

Solder paste Sn42Bi58

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.


日本女人毛茸茸| 殴美多人a a a| 欧美孕妇XXX| 国产乱子伦一区二区三区视频播放| 久久黄色av| 奇米777国产一区二区| 超级人人操人人看| 成人综合婷婷五月激情综合| 50岁丰满熟妇大屁股真爽| 精品久久卡一卡二| 久久性av导航| 激情文学小说区另类小说同性| 久久无码中文字幕久久无码APP| 国产精品久久久久久AV下载红粉| 五丁香六婷婷| 国产一区fuck| 色婷婷老汉国产AV| 日本成人一二区| 精品999深夜一区二区三区四区 | 色综合久久中文字幕无码| 久久精品国产亚洲AV成人动漫| 成人免费高清视频毛片| 欧美狂野乱码一二三四区| 极品少妇久久久| 成人免费高清视频毛片| 99人妻在线| 少妇大战二鬼子| 香港经典无码不卡| 91大神精品人妻| www.zuoai在线| 人人操人人妻人人爱| 亚洲午夜福利在线视频| 国产欧美婬乱一区二| 亚洲av综合avav中文| 国产精品精品久久久久久| 久久精品极品| av最新地址| 欧洲人激情毛片无码视频| 亚洲精品动漫免费二区| 亚洲精品无码永久在线观看你懂的 | 美女人妻中文字幕|