一级特黄视频-一级特黄aa大片欧美-一级片mp4-一级毛片直接看-久久99热在线观看7-久久99热狠狠色一区二区

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
Medium temperature Solder paste

Solder paste Sn63Pb37

Product parameters

★Loose reflow process window
★Excellent wetting and tin eating ability
★Low 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.


主站蜘蛛池模板: 白丝女仆被啪到深夜漫画 | 三级黄色一级视频 | 国产一及毛片 | 国产激情一级毛片久久久 | 十分钟免费视频大全在线 | 综合精品欧美日韩国产在线 | 精品人妻伦九区久久AAA片69 | 19不插片免费视频 | 日本亚洲精品色婷婷在线影院 | 久久精品热只有精品 | 九九99热久久精品在线6 | 视频一区视频二区ae86 | 色婷婷亚洲精品天天综合影院 | 在公交车上被JB草坏了被轮J了 | 国产综合无码一区二区色蜜蜜 | 精品一区二区三区AV天堂 | 性夜影院爽黄A爽免费动漫 性夜夜春夜夜爽AA片A | 午夜国产理论 | 狠狠躁天天躁小说 | 欧美18videosex性欧美老师 | 狠狠色狠狠色综合 | 偷柏自拍亚洲综合在线 | 日本吃孕妇奶水免费观看 | 精品亚洲国产成AV人片传媒 | 午夜福利免费0948视频 | 狠狠色狠狠色综合日日91app | 蜜臀AV中文字幕熟女人妻 | 亚州日韩精品AV片无码中文 | 美女教师朝桐光在线播放 | 国产成人在线视频网站 | 国产精品青青在线麻豆 | 国产精品久久久久久搜索 | 丰满的女朋友 在线播放 | 欧美 日韩 亚洲 在线 | 亚洲综合色婷婷在线影院 | 内射白浆一区二区在线观看 | 青苹果乐园在线观看电视剧 | 亚洲一日韩欧美中文字幕在线 | 午夜一区二区三区 | 97视频在线观看免费视频 | 好姑娘BD高清在线观看免费 |