1. The weight of good quartz stone is high pressure out of the press, the poor quartz stone is cast by the heavy press, and the plate density is higher, so the same size of quartz stone will be heavier. Quartz stone content also varies from 80% to 94%, the higher the better.
2 thickness of quartz stone countertops have 1.2 centimeters, 1.5 centimeters because of the high hardness of quartz stone but relatively more brittle artificial stone so it is recommended to choose 1.5 thickened quartz stone, so did not recommend buying lower than 1.5 thickness quartz stone countertops.
3. Key and other hard objects scraping quartz stone. The main ingredient is quartz sand, which is silica, in nature, the hardness is only second to diamond, if it is good quartz stone, with the key after scraping will only have a line, after scrubbing is not obvious, and poor quartz stone countertop containing calcium powder and other inferior materials, with the key after scraping will have traces and white powder.
4 soy sauce test, good quartz stone countertop, if soy sauce poured on the top of a few days will not seep color. Inferior quartz stone countertop can seep color in 1-day.