In the process of plastic machining PP on injection molding technology, a problem often occurs, PP products (special products with thin high altitudes) or warping, uneven in shape ... Thus causing difficulties in the process of rắp or the Hall. The cause is mainly due to the cooling process usually restricted-not help shape the product quickly.Increased substance (substance crystallization) will help providing shape fast, this will help in better products, no warping and distorting.The substance also helps hard-pressed cycle increase be reduced – increase production efficiency, reduce the price.Organic pigments create PP kernel, but in varying degrees. Shrinkage ratio of crystalline, anisotropic, shrinkage, and dimensional performance can vary greatly between the pigment, making for consistent processing and control less difficult for the producers to use more colors.
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