一级特黄视频-一级特黄aa大片欧美-一级片mp4-一级毛片直接看-久久99热在线观看7-久久99热狠狠色一区二区

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
High temperature solder paste

Solder paste PF-8307-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: 十八禁久久成人一区二区 | 日本A级作爱片金瓶双艳 | 赤兔CHINESE最新男18GUY | 6080YYY午夜理论片在线观看 | 日韩精品一区二区三区AV在线观看 | 国产性色AV内射白浆肛交后入 | 麻豆沈芯语 | 99久视频只有精品2019 | 手机毛片免费看 | 欧美18videosex初次| 午夜亚洲国产理论片二级港台二级 | 国产在线观看免费观看不卡 | 男女生爽爽爽视频免费观看 | 国产精品高清在线观看93 | 久久精品国产在热亚洲完整版 | qvod电影| 国产品无码一区二区三区在线 | 超碰免费视频公开97 | 精品久久久久久久高清 | 欧美性猛交xxxxxxxx软件 | 亚洲日韩国产成网站在线 | 少妇被躁爽到高潮无码久久 | 2019伊人查蕉在线观看 | 久久视频这里只精品99热在线 | 久久亚洲国产精品亚洲 | 亚洲伊人色综合久久天天伊人 | 亚洲精品视频观看 | 黑人玩弄极品人妻系列 | 国产二级一片内射视频播放 | 欧洲美女高清一级毛片 | 国产AV精品国语对白国产 | 人人干人人爽 | 爱豆剧果冻传媒在线播放 | 国产精品 中文字幕 亚洲 欧美 | 年轻的女职工在线观看 | 十大禁止安装的黄台有风险 | 国产主播AV福利精品一区 | 天堂Av亚洲欧美日韩国产综合 | 精品国产99久久久久久麻豆 | 美女大本营 | 小货SAO边洗澡边CAO你动漫 |