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2021-12-30 16:50:10

First of all, let’s explore the main reason why quartz countertop discolors after processing. In terms of appearance, quartz stone is extremely similar to natural stone. In fact, quartz stone is an artificial material, but it is often mistaken for natural stone. Quartz stone is rich in color and has a beautiful surface. Moreover, quartz stone is an anti-bacterial, wear-proof structure, high-temperature resistance, anti-seep performance, non-toxic, and non-radioactive. Hence, quartz countertop has been well recognized by more and more consumers in modern home decoration. However, it’s unavoidable for quartz slabs to be cut and polished for specific applications. After polishing, the surface of the quartz countertop turns white. What’s worse, the deeper the quartz slab color is, the whiter the slab will get after polishing


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As everyone knows, the smooth surface of quartz stone is like a mirror. That is because quartz stone producers polish the quartz stone by a water mill, which causes whitening. Watermill polishing is the result of polishing through more than 30 lines of 2,000 mesh water mill heads, under high pressure and high speed. It is such a process that other handheld tools cannot do. The emergence of the whitening phenomenon after polishing by the angle grinder is because the matrix of the quartz slab is white. During the polishing process, the handhold tools will not only damage the luster and color of the slab’s surface but also exposes the white matrix. That’s also why the slab color is deeper at the joint and the whitening is more obvious.