国产激情一区二区三区-国产激情一区二区三区成人91-国产极品福利视频在线观看-国产极品久久-国产精久久一区二区三区

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
Solder paste

Solder paste PF-3704-H2

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: 国产91久久久久久久免费 | 免费观看a黄一级视频 | 特级毛片视频在线 | 亚色在线| 成人做爰视频在线观看视频 | 国产91长腿美女在线观看 | 日韩一区二区三区在线视频 | 在线色片 | 午夜一级视频 | 成人精品视频 成人影院 | 欧美在线a级高清 | 青青热久免费精品视频在线观看 | 99久久精品国产免看国产一区 | 扒开双腿猛进入jk校视频 | 日韩欧美一区二区三区免费观看 | 亚欧在线精品免费观看一区 | 久久青草免费91线频观看站街 | 国产成人精品亚洲777图片 | 国产在线播放免费 | 大陆黄色一级片 | 啪啪免费看视频 | 特级黄 | 国产无遮挡裸体免费视频在线观看 | 婷婷色综合久久 | 免费在线观看成人 | 黄色一级视频在线播放 | 图片区 日韩 欧美 亚洲 | 青青操在线观看 | 久久视频在线看 | 思思久久q6热在精品国产 | 99久久综合狠狠综合久久男同 | 美女亚洲精品一区 | 国产精品亚洲四区在线观看 | 国产在线精品一区二区高清不卡 | 亚洲欧美久久一区二区 | 国产欧美久久一区二区 | 天天色综合影视 | 小草免费在线视频 | 国产精品片 | 国产亚洲精品麻豆一区二区 | 精品一区二区三区中文 |