久久精品国产久精国产_欧美极品少妇性运交_久久人人爽人人人人片_国产午夜片无码区在线播放_在线观看午夜亚洲一区

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
Needle tube Solder paste

Solder paste Sn42Bi58

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: 成人欧美一区二区三区| 亚洲精品无码不卡在线播放| 国模大尺度啪啪| 国产精品午夜福利麻豆| 亚洲美女高清aⅴ视频免费| 精品无人区一区二区三区| 1000部拍拍拍18勿入免费视频下载| 欧洲美熟女乱又伦免费视频| 无码人妻精品一区二区三| 国产黄大片在线观看画质优化| 国产女人18毛片水真多| 国产真实露脸乱子伦原著| 精品国产一区二区三区四区五区| 色翁荡息又大又硬又粗视频| 无码国产精品一区二区免费模式| 国产精欧美一区二区三区| 精品国产va久久久久久久冰 | 成年美女看的黄网站色戒| 亚洲爆乳无码精品aaa片蜜桃| а√天堂资源8在线官网在线| 欧美肥屁videossex精品| 伊人久久大香线蕉av一区二区| 欧美极品少妇无套实战| 亚洲色大成网站www| 中国免费看的片| 美女裸免费观看网站| 天天天天躁天天爱天天碰| 与子敌伦刺激对白播放的优点| 国产亚洲精品aaaa片app| 亚洲中文字幕久在线| 手机看片福利一区二区三区| 国产精品99久久精品爆乳| 精品国产一区二区三区久久| а√天堂8资源中文在线| 国产伦孑沙发午休精品| 波多野结衣中文字幕久久| 成年女性特黄午夜视频免费看| 精品无码国产自产拍在线观看| 国产尤物av尤物在线看| 无码永久成人免费视频| 国产乱人伦app精品久久|