性猛交ⅹxxx富婆视频_少妇人妻丰满做爰xxx_双马尾弹力摇喜欢坐着还是站着跳_gogogo电影免费观看_国产麻豆放荡av剧情演绎_情满四合院片尾曲演唱者是谁_女人与大黄拘做爰视频_少妇伦子伦精品无吗_日日碰狠狠添天天爽无码

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: [email protected]
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.


538prom精品视频线放| 538prom精品视频线放| 特级黄毛片| 美女自行车摩擦喷水高潮视频| 免费看全过程曰批40分钟软件| 嗯啊轻点慢点嗯视频| 色猫猫视频站| 极端捆绑裸体艳奴bdsm欧美| granny xxx| 免费的av片| 总被室友玩屁股h男男1v3| 啊啊啊啊啊啊啊爽| 91性爰视频| 乱亲怀孕小说长篇| 催眠调教美人成荡货h文| 乱系列h第36部分| 麻豆最新网址| 扒开美妇白臀扒挺进| 清冷受胸罩大有奶水bl1v1| 哥谭电影| 日韩高清专区| 亚洲伊人久久大香线蕉下载ios| 亚洲天堂国产视频| 爽啪啪gif动态图第168期| 婷婷丁香五月中文字幕| 国产精品草| 两男一前一后cao一女| 啊灬灬用力灬嗯灬3p黑人视频| 门卫老董| 538国产精品一区二区免费视频| 高h文黄暴调教性玩具| 天堂资源地址在线官网| 大地资源二在线观看免费高清国语版中文版| 余罪3电影大牛| 国产又粗又硬视频| 欧美性黑人极品hd| caopen在线视频| 久久剧场| 黄色一级视频在线观看| 色图色小说| 欧美极品丰满hd|