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.


男生插女生下面流出白色精液视频| 男人操女人黄片黄色| 国产精品无码一二区免费| 韩国无遮挡成人免费视频| 波多野吉衣吹潮Av| 91久国产在线观看| 90岁肥老奶奶毛毛外套| 日韩亚洲AV无码一区二区不卡| 亚洲福利左线观看| 我要看成人免费毛片| 国产精品自在自线。| 大鸡巴操逼 公司| 被大鸡巴操淫液视频| 爱男爽高潮鸡穴视频| 久久久中文字幕一区| 日韩 欧美 成人 免费| 操女人大逼视频下载| 欧美一区二区三区高清性群p| 成人黄色精品久久app| 97国产精品免费一二区| 日韩有码一区二区三区在线观看| 黄色软件大屌怒戳粉嫩小穴| 爆操大奶子美女视频| 国产精品视频一区二区三区分享| 日本av在线一区二区| 日本一区二区不卡在线国产| 蜜臀AV无码国产精品尤物| 欧美在线A片一区二区三区| 久久精品国产亚洲av伦理| 日日爱黄色毛片视频| 久久69精品久久久久免| 大屌把女生逼逼操肿国产| 国产乱子伦视频一区二区三区| 狠狠色伊人亚洲综合成人| 几巴怪物操逼视频| 波多野结衣浴尿解禁在线| 亚洲欧美国产原创一区二区三区| 男生鸡鸡插进女生笑穴里| 东北大吊干东北少妇AV| 亚洲狠狠插狠狠搞狠狠摸| 国产成人精品区在线观看|