1. Inadequate protection of the stone causes the iron ions in the stone to react with water to form iron oxide, which leads to the slab cutter yellowing of the stone. White series of stone such as elegant white, jazz white, and big white is particularly prominent.

2. In the process of stone processing, the tiles cutting machine price rust spots of machinery, equipment, and blades contaminate the back of the stone;

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

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

5. The stone wax used in the polishing process contains pigments or acid-alkaline substances, which can cause laser cutting machine price in india yellowing of the stone.