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
Low temperature Solder paste

Solder paste Sn42Bi58

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: 全免费a级毛片免费看网站| 国产超碰人人模人人爽人人喊| 国产精品理论片在线观看| 人人超人人超碰超国产97超碰| 丝袜美腿一区二区三区| 精品视频无码一区二区三区| 大陆熟妇丰满多毛xxxx| 亚洲精品无码成人| 熟女少妇人妻中文字幕| 天天躁夜夜躁狠狠躁2021| 人妻巨大乳挤奶水hd免费看| 和岳每晚弄的高潮嗷嗷叫视频| 任你躁x7x7x7x7在线观看| 日本丰满熟妇videossex| 波多野结衣高清一区二区三区 | 无码gogo大胆啪啪艺术| 久久99精品久久久久久婷婷2021| 欧美丰满少妇xxxx性| 97久久精品无码一区二区 | 337p日本欧洲亚洲大胆色噜噜| 免费无码又爽又刺激高潮的视频| 成在人线av无码免费| 日韩欧美群交p片內射中文| 鲁丝片一区二区三区免费| 337p粉嫩日本欧洲亚洲大胆| 日韩精品专区在线影院重磅| 五月综合激情婷婷六月色窝| 欧美xxxxx高潮喷水麻豆| 亚洲精品一区国产| 亚洲综合无码无在线观看| 人妻少妇av无码一区二区| av无码小缝喷白浆在线观看| 97精品人人妻人人| 亚洲色大网站www永久网站| 东京热无码av一区二区| 亚洲自偷自偷在线成人网站传媒| 欧美日韩综合一区二区三区| 亚洲av久久久噜噜噜熟女软件| 国产精品久久午夜夜伦鲁鲁| 欧美黑人又粗又大xxxx| 国产精品成人av片免费看|