久久精品国产久精国产_欧美极品少妇性运交_久久人人爽人人人人片_国产午夜片无码区在线播放_在线观看午夜亚洲一区

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
Solder paste

Solder paste Sn45Pb55

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: 呦系列视频一区二区三区| 日本高清视频网站www| 精品人妻系列无码人妻免费视频 | 国产成视频在线观看| 亚洲人ⅴsaⅴ国产精品| 伊人久久综合色| 亚洲国产精品一区二区久久| 亚洲精品无码永久在线观看性色| 小12萝裸体视频国产| 两口子交换真实刺激高潮| 国内少妇人妻丰满av| 亚洲精品久久久久久| 国产精品任我爽爆在线播放| 成人做爰视频www| 少妇大叫太大太粗太爽了a片小说 美女极度色诱视频国产 | 无遮挡18禁啪啪免费观看| 亚洲综合一区无码精品| 亚洲看片lutube在线观看| 国产内射性高湖| 欧洲熟妇色xxxxx欧美| 内射中出无码护士在线| 国产乱人伦偷精品视频下| 人人妻人人澡人人爽欧美精品| 亚洲日本天堂在线| 久久久久亚洲av无码专区导航 | 免费网站看av片| 精品丝袜人妻久久久久久| 欧美黑人又大又粗xxxxx| 女人下边被添全过视频| 中国精学生妹品射精久久| 全部孕妇毛片丰满孕妇孕交| 无码av波多野结衣| 少妇把腿扒开让我爽爽视频 | 国产乱人伦真实精品视频| 色综合久久久无码网中文| 亚洲日本一区二区一本一道| 国产无套乱子伦精彩是白视频| a在线视频v视频| 亚洲av无码成人精品区日韩| 97人妻人人做人碰人人爽| 髙清国产性猛交xxxand|