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
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: 一抽一出BGM免费50分动漫 | 国产精品久久久久久久久久免费 | 亚洲 欧美 日本 国产 高清 | 伦理 电影在线观看百度影音 | 丝袜美女被啪啪不带套漫画 | 色婷婷激婷婷深爱五月小蛇 | 精品无码久久久久久久动漫 | 亚洲成人免费在线观看 | 欧美精品AV一区二区无码 | 海量激情文学 | 亚洲 小说 欧美 激情 另类 | 玖玖热视频一区二区人妻 | 国语对白刺激真实精品 | 国产一区二区三区在线看片 | 跪趴式啪啪GIF动态图27报 | 老头操美女 | 亚洲人成网站在线播放 | 国产精品一区二区在线播放 | 含羞草传媒在线观看 | 日本免费无码A专区在线观看 | 国产av在线播放 | 年轻老师毛茸茸自由性 | 两性午夜色视频免费网站 | 女人高潮特级毛片 | 天堂Av亚洲欧美日韩国产综合 | 韩国女人高潮嗷嗷叫视频 | V8成品人视频 | 91天仙tv嫩模福利 | 扒开她的黑森林让我添动态图 | 交换娇妻呻吟声不停中文字幕 | 久久草这里全是精品香蕉频线观 | 亚洲 综合 欧美在线视频 | 偷拍亚洲制服另类无码专区 | 亚洲中文久久久久久国产精品 | 无码国产成人777爽死在线观看 | 精品久久久久久电影网 | 蜜柚在线观看免费高清官网视频 | 动漫美女无衣 | 精品国产自在现线拍国语 | 内射气质御姐视频在线播放 | 欧美熟妇VIVOE精品 |