The surface is smooth and bright.

It must be very flat and bright, and it is best to reflect the figure.

Observe the back of the stone.

See if there are any tiny pores. If there are, it means the quality is poor.

Scrape the surface with one's nails

Qualified products should not have obvious traces. The surface of artificial marble has a certain hardness. If only nails can leave traces on the stone surface, then the quality of this product is too poor.

Physical performance test report

It is difficult to see its quality from the surface, so the most reliable method is to ask the merchant for the test report of the physical properties of this stone.

Water absorption determines the anti-pollution performance.

There is also the water absorption of stone, because it determines the anti-pollution performance of artificial stone. The higher the water absorption, the smaller the density, the looser the texture, and the easier it is for oil stains to penetrate.