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Topic: stone technology

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AuthorTopic:   stone technology
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posted: 11/14/2016 at 10:31:16 PM ET
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This is why the crystallization of stone technology, applied to marble, and in the granite on the poor results. Because the high calcium content of marble, and granite calcium content is very low. This chemical-based polishing mechanism, both to the stone to achieve a high degree of gloss, but also the root causes of some side effects of crystallization.

As the crystalline material of acidic materials (oxalic acid, fluorosilicic acid, etc.) will accelerate the marble powder, ablation and other phenomena. Crystallization of salt and other salts produced in the stone, residues in the stone pores, continuous moisture absorption and drying process, resulting in orange peel phenomenon, black seam.

collapse and other side effects, Variety. Stone crystal hardening layer, the main ingredient is calcium oxalate, calcium fluorosilicate. These calcium salts are easily soluble in water. And that is "hardened", in fact, hardness is not enough to meet the high-intensity use. Therefore, the crystal has just done out of time, really beautiful, but not durable.

just do it

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