超碰人人超在线观看,欧美日韩视频高清一区,亚洲人成影院在线观看网色,国产精品久人妻精品

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 PF-4258-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.


久久久国产系列丝袜熟女| 99久久国产综合精品女| 欧美亚洲另类天天综合网| 亚洲免费福利视频| 天天舔操操操av| 伊人成人精品在线| 大黑屌爆操日本女人| 国产 推油 性爱| 日本入室强伦姧人妻中文| 欧美国产三级片久久高清| 国产青青操骚货在线观看| 黄色三极片在线观看| 有关日本黄色录像的视频| 女人被大鸡吧操逼| 黄色软件大屌怒戳粉嫩小穴| 国产A级黄片下载| 国产在线中文字幕一区二区三区| 鸡巴和逼中国美女| 亚洲 欧美 日韩 主播| 男人草女人的视频免费看| 日韩伦理视频一区二区三区| 女人被躁到高潮嗷嗷叫小| 亚洲欧美一区二区爽爽爽| 少妇精品久久久一区二区免费| 久久精品国产亚洲高清| 国产精品粉嫩懂色av| 大鸡巴插入阴道视频| 青青操成人版性视频| 国产精品一区二区三区在线视| 久久高清中文字幕第一页| 亚洲欧美国产原创一区二区三区| 嗯嗯好硬好大啊老公| 熟女大屁股亚洲一区| 久久精品国产自清天天线| 女人操女人大逼大片| 女人被躁到高潮嗷嗷叫小| 国产一区二区三区 韩国女主播| 日本不卡免费一区二区视频| 日本免费暖暖在线小视频| 欧美在线A片一区二区三区| 人妻夜夜添夜夜无码AV|