The Phenomenon Of Warping And Cracking Of Artificial Stone

Mainly caused by uneven mixing of polyester resin with fillers, pigments, and improper ratios of accelerators, initiators, and resin. In the artificial stone matrix, that is, in the mixed resin, filler, pigment, etc., the resin should be able to keep the filler in a uniform suspension state until the resin gel. If the filler is poorly suspended in the artificial stone matrix and deposited at the bottom of the casting, it will cause differences in the distribution of fillers between the upper and lower parts of the casting.
Due to the high amount of resin in the upper layer, there is more heat released during curing and shrinkage, resulting in significant shrinkage; The lower layer of resin has less heat release and shrinkage during curing, resulting in warping or cracking of the product.