亚洲国产成人av网站-综合色就爱涩涩涩综合婷婷-全部露出来毛走秀福利视频-丰满人妻一区二区三区视频

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 Sn99Ag0.3Cu0.7

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: 日韩精品无码综合福利网| 艳妇乳肉豪妇荡乳av无码福利 | 免费a级毛片出奶水| 护士奶头又白又大又好摸视频| 国产精品免费福利久久| 美女高潮黄又色高清视频免费| 蜜桃一区二区三区| 精品人妻一区二区三区四区在线 | 国产99久久99热这里只有精品15 | 国产激情一区二区三区| 伊人久久精品一区二区三区| 高h乱好爽要尿了喷水了| 国产情侣作爱视频免费观看| 成全高清视频免费观看| 亚洲a∨无码无在线观看| 免费国产黄网站在线观看视频| 女人脱了内裤趴开腿让男躁| 国产精品狼人久久久久影院| 久久精品一本到99热免费| jαpαnesehd熟女熟妇伦| 亚洲国产精品无码中文字| 亚洲av理论在线电影网| 在线精品视频一区二区三区| 潮喷大喷水系列无码久久精品 | 亚洲av成人无码久久精品老人| 日本三级香港三级三级人!妇久| 日本va在线视频播放| 丰满少妇呻吟高潮经历| 国产八十老太另类| 中文字幕乱码人在线视频1区 | 好大好硬好深好爽想要av| 成年女人毛片免费视频| 天堂网在线最新版www中文网| а√天堂资源地址在线官网下载| 午夜不卡久久精品无码免费| 色一情一区二| 午夜男女爽爽爽在线视频| 欧美日本精品一区二区三区| 日韩精品无码一区二区三区不卡 | 国产真实乱对白精彩| 98色精品视频在线|