欧美大片欧美激情性色A∨在线_韩国三级《老师的秘密》_92久久av嫩草影院性色_奶水h人妻销魂共妻高h_精品熟女60老妇av免_国产在线观看WWW污污污_日欧一片内射va在线影院_免费高清视频 大片_灭火宝贝中文字幕在线观看

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: [email protected]
Address: Dongguan lvzhidao Metal Co., Ltd
Contact person: Manager Zeng
Medium temperature Solder paste

Solder paste PF-3503-C2

Product parameters

★L(fēng)oose reflow process window
★Excellent wetting and tin eating ability
★L(fēng)ow 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.



gogogo高清在线观看免费视频完整| 国产精品免费人成网站酒店| 兔子先生全集观看完整版| 雪中悍刀行第三部免费观看| 一级特黄欧美| 国产精品久久香蕉| 色999精品| 激h1v1总裁秘书| 女人高潮被爽到呻吟在线观看| 给女人囗交大图片26交| 朴妮唛无删减大尺度| 久久一区中文字幕| pregnant xxx video| 霍泽浮生记小说免费阅读完整版| 国产黄色免费片| 小妖精好紧好爽好浪h| 少妇3p小说| 成人avapp| 猛h辣h高h文湿快穿np| 蜜臀91精品国产高清在线观看| 伦理电影一区二区三区| 麻花星空在线看电视免费版| 公厕美女bbbb撒尿正面| 色一情一乱一伦麻豆| 中文字幕波多野结衣| 日本乱人伦中文视频在线观看| 日韩黄色在线视频| 538精品视频在线播放| 强开乳罩摸双乳吃奶羞羞www| 免费观看黄a一级视频| 女生隐私部位网站| 挺进丰腴岳紧窄臀缝耸动| 大胆偷拍二盗摄视频| 午夜av在线播放| 继承家族全部女人的小说推荐| 美女扒开裤子撒尿免费看| 免费男女乱淫真视频| 啊啊啊啊啊好大好爽| 引诱已婚男h刺激高辣出轨| 啊灬啊灬啊灬快灬被靠高潮了| 小说 淫男乱女|