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
Needle tube Solder paste

Solder paste Sn63Pb37

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.


国产免费毛卡片| 91人人妻人人爱。人人操| 777奇米影视久久| 美女人妻中文字幕| 久久棈精品久久久久久噜噜| 性视频日本熟妇| 操逼日本网站| 亚洲最大av网站在线观看| 人妻人人妻人人躁人人躁人人免费| 一本无码中文字幕| 欧美综合精品久久久久成人影院| 美日AV手机版在线| 丰满少妇被猛烈进入高清播放久久| 一炕四女被离换啪啪99精品一二三区 | 熟女视频一区二区| 777米奇影院狠狠色| 福利无码在线视频| 啊v免费在线| 美国午夜精品无码电影| 超碰97蜜芽| 少妇精品久久久一区二区三区 | 久久精品国产亚洲AV高清APP| 熟女自慰30p| 亚洲AV三级片网站| 日韩精品无码人妻| A级大片免费看| 精品人妻无码一二三区| 99久久99久久精品国产片桃花| 先锋影音亚洲AV少妇熟女色欲| AV日韩美电影网| 免费激情AV| 欧美精品黑人粗大视频| www.俺也去| 亚洲 欧美 国产 精品 成人 在线| 江苏极品少妇性爱| 囯产精品人人做人人爽| 激情技师在线观看高清无码| 国产午夜精品久久久久久久| 欧美性大战久久久久久| 国内精品自产拍在线观看| 少妇做受XXXXⅩ高潮片|