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
Solder paste

Solder paste Sn55Pb45

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.


大阴茎交于大阴户黄片视频| 中文字幕乱码人妻一区二区三区| 青娱乐欧美性爱视频| 日本成人精品一区二区三区| 奇米一区二区三区视频在线观看| 亚洲欧美一区二区三区在| 枫花恋精品一区二区久久| 抽插肥嫩小穴的视频| 任你橹在线久久精品9| 成人精品视频区一区二区三| 欧美日韩精品视频在线第一区| 亚洲欧美日韩中文v在线| 成人国产亚洲精品一区二| 性色av少妇一区二区三区多人| 正在播放老熟女人与小伙| 把韩国美女操出水| 免费人成再在线观看| 青娱乐极品视觉导航| 好爽又高潮了毛片在线看| 日韩av大片一区二区三区| 亚洲综合区欧美一区二区| 强伦人妻一区二区三区视频18| 黄色高清带三级1集2集| 国产一国产一级毛片无码视频百度| 精品麻豆国产免费一区二区三区| 亚洲中文字幕二区不卡| 欧美一区二区三区高清性群p| 尤物AV无码国产在线看| 尤物网三级在线观看| 欧美巨屌虐无毛骚逼| 久久久久精品无码专区喝奶| 黄色软件大屌怒戳粉嫩小穴| 黄色av手机在线观看| 白虎鲍鱼抠逼免费看| 联系附近成熟妇女| aaa啊啊啊黄片| 无码成人一区二区| 大鸡巴操饿罗斯女人| 农村胖肥胖女人操逼视频| 黑人大鸡巴双插美女| 精品免费福利片国产|