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 PF-4258-C1

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.


丁香精品在线| 免费观看黄a级毛片| 国产精东传媒成人AV电影| 日本少妇videos高潮抽搐| 久久久精品一区二区藌桃| 无码三级在线看中文字幕完整版| 北条麻妃av高清无码| 人草人草人人草| 国产精品白浆大屁股一区二区三区| 亚洲AAAA片色欲aV奶水| 久久久久香蕉| 好吊牛2019| www.无码专区| 亚洲熟女少妇精品| 亚洲欧美国产日韩天堂区| 婷婷开心激情久久综合视频| 国产AV无码专区久久精品国产| 国产欧美一区二区| 色就是色欧美视频| 欧美久久久久久久蜜桃| 国产精品成人AV| 亚洲精品999久久久无码| 超清精品丝袜国产自在线拍| 337p粉嫩日本大胆瓣开下部| 内射人妻无码色AV| 日韩区一区二| av看免费大片| 奇米影视88888| 秋霞免费无码一区二区| 成全视频免费观看在线下载| 欧美午夜精品久久久久久8888| 人人上人人干| 又白又嫩毛又多15p| 台湾佬中文娱乐22vvvv| 中文8天堂网| 精品无码一区二区av| 淫荡的高跟丝袜| 337p日本欧洲亚洲大胆色噜噜| 被黑人扒开双腿猛进入| 曰本女人与公拘交酡| 国产大屁股白浆一区二区|