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
Needle tube 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: a亚洲在线观看不卡高清 | 青草国产在线视频免费 | 日韩欧美一区二区三区免费观看 | 男女XX00上下抽搐动态图 | 日韩美一区二区 | 久久两性视频 | 日韩一区二区三区四区区区 | 国产又粗又黄又爽的大片 | 色哒哒影院 | 福利片福利一区二区三区 | 日本A级作爱片金瓶双艳 | 国产在线观看免费观看不卡 | 一本道高清到手机在线 | 国产精品一区二区亚瑟不卡 | 伦理片在线3348 | 国产乱码精品AAAAAAAA | 艺术片 快播 | 亚洲男人97色综合久久久 | 欧美日韩888在线观看 | 无限资源在线看影院免费观看 | 高h原耽肉汁动漫视频 | 亚洲AV无码偷拍在线观看 | 小柔的性放荡羞辱日记动漫 | 伊人久久大香线蕉综合99 | 国产成人无码视频一区二区三区 | 国产精品第一综合首页 | 亚洲黄色三级视频 | 成年人免费观看的视频 | 一区二区三区内射美女毛片 | 亚洲无遮挡 | 99久久久精品免费观看国产 | 国产电影午夜成年免费视频 | 色迷迷电影 | 亚洲地址一地址二地址三 | 国产美女视频一区二区二三区 | 天天国产在线精品亚洲 | 手机移动oa | 国产亚洲精品AV麻豆狂野 | 精品久久免费视频 | 肉色无边(高h) | 免费啪视频观试看视频 |