无码日韩精品一区二区免费暖暖_日韩人妻无码精品久久_狂躁美女大bbbbbb视频u_亚洲精品一区二区三区在线观看_自拍偷自拍亚洲精品播放

SZSE:002741
Tin plating
Information
Characteristic:

Alkyl sulfonic acid system adopted, friendly operation environment, with stable system;
Simple composition, easy operation, easy for site production and management;
Special additive used, contributing to dense and uniform crystals of the coating, with good welding performance;
Low content of foams, easy to wash, strong ability to resist high temperature discoloration.

Application:

3471 is a matte tin potion exclusively designed in accordance with the characteristics of continuous plating. It can ensure dense and uniform tin coating while ensuring the electroplating efficiency, thus ensuring excellent ability to resist discoloration as well as excellent weldability of the product. It is applicable to roll-to-roll continuous matte tin plating process.

Advantage introduction:

3471M: It is used to maintain fine and uniform plating;
3471S: It is used to maintain coverage of low current density areas;
3471A: Antioxidant. It is used to reduce oxidation of divalent tin;
Tin concentrate: To replenish divalent tin;
MSA acid: To adjust pH value of plating solution.

Technical indicators:

Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
黑人巨茎大战俄罗斯美女| 伊人久久精品无码av一区| 日本又黄又爽gif动态图| 亚洲第一狼人区在线观看| 人妻少妇69式99偷拍| 麻豆国产精品va在线观看不卡| 撕开奶罩揉吃奶高潮av在线观看 | 日本护士xxxx视频| 公与淑婷厨房猛烈进出| 欧洲亚洲国产一区二区| av无码精品一区二区三区四区| 亚洲av无码一区二区三区网址| 特黄aaaaaaa片免费视频| 亚洲欧美精品aaaaaa片| 爱情岛论坛网址永久首页| 国内精品久久久久久久97牛牛| 邻居少妇张开腿让我爽了一夜| 最近最好的中文字幕2019免费| 免费无码又爽又刺激高潮的视频 | 亚洲欧美另类在线图片区| 日韩在线手机专区av| 日本无码免费a片无码视频美人j| 狠狠色噜噜狠狠狠777米奇 | 久久精品国产亚洲av香蕉| 一区二区三区不卡国产| 国产成人精品一区二三区| 免费做爰猛烈吃奶摸视频在线观看| 亚洲av无码一区二区三区在线观看 | 性欧美丰满熟妇xxxx性| 亚洲成熟丰满熟妇高潮xxxxx| 在线播放中文字幕一区二区三区| ww国产内射精品后入国产| 精品少妇人妻av无码专区| 久久久久成人精品免费播放动漫 | 无码一区二区三区免费| 新版天堂资源中文8在线| 麻豆国产精品va在线观看| 欧美顶级metart裸体全部自慰| 欧美群妇大交群| 日韩精品视频免费一区| 成人毛片无码一区二区三区|