与亲女洗澡时伦了毛片丨亚洲精品高潮丨a级老太婆毛片老太婆毛片丨97色伦2视频在线观看丨亚洲视频中文字幕丨丰满人妻熟妇乱又伦精品app丨人妻洗澡被强公日日澡电影丨国产亚洲人成a在线v网站丨国产男女在线观看丨中文字幕一区三级久久日本丨国产成人精品午夜视频'丨夜夜春影院丨热久久99热精品首页丨色综合视频网丨91视频播放器丨国产精品久久久99丨久久一区丨中文成人久久久久影院免费观看丨朝鲜女人性猛交丨97无码人妻福利免费公开在线视频丨aa性欧美老妇人牲交免费丨欧美亚洲国产精品久久蜜芽丨精品无码一区二区三区电影丨中国女人精69xxxxxx视频丨九九在线观看视频

News

Contact Us

Industry News

Home ? News ? Industry News

The main causes of stone yellowing are:

Time:2021-11-09 10:20:56  Source:  Views:1250   Font-size:16px | 14px | 12px

1. Inadequate protection of the stone causes the iron ions in tile cutter the stone to react with water to form iron oxide, resulting in yellowing of the stone. The white series of stone such as elegant white, jazz white, and big white are particularly prominent.

2. In the process of stone processing, the cutting granite rust spots of machinery, equipment and blades are contaminated to the back of the stone;

3. The finished product protection measures are not in place, causing the iron to damage the stone, or the iron to rust when exposed to water, affecting block cutting machine the stone and causing yellowing.

4. Irregular maintenance of stone: The acid in the low-quality acidic agent reacts with steel wool to form substances that penetrate into the stone block cutting machine pores of the stone, causing yellowing.

5. The stone wax used in the polishing granite multi cutter machine process contains pigments or acid-alkaline substances, which bridge cutting machine granite causes the stone to turn yellow.

granite