There are black, yellow, variegated, yellow-white colors, which is a common problem with medium temperature waxes. Due to the variety of colors of the treated wax paste, there are some effects on the size and deformation of the wax parts. One of the problems is that the quality of the wax itself is not good, but it is caused by improper wax treatment. In actual work, the wax parts pressed by black wax paste are obviously more shrinkage than those pressed by yellow wax paste!
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