How to distinguish the pros and cons of quartz stone?
1.The back of the regular quartz stone will have the code of the stone company
There should also be lines on the back, because the hardness of the quartz stone is very hard, so there should be cut lines.
2.Bubbles will appear around the inferior quartz stone after being soaked in strong acid.
This is a high-quality quartz stone, it will not bubble up after being soaked in strong acid.
3.After scraping inferior quartz stone with a knife, powder will appear.
The high-quality quartz stone is hard, there will be no powder after scraping, and the metal color of the knife will remain on the quartz stone.
4.Add some detergent and water before scrubbing.
Inferior quartz stone will have yellow marks that cannot be erased after burning. The high-quality quartz stone can basically be wiped clean after burning.