MASTER plaster mold are used for locating, mounting, and assembly purposes

MASTER plaster mold are used for locating, mounting, and assembly purposes. There are boss design guidelines that must be followed to insure the highest quality in MASTER mold making parts. Again, one of the main points to consider is nominal wall thickness. Too many times bosses are designed with thick wall sections that can affect the appearance of the plastic part and the final product. Boss diameter, wall thickness, and height design parameters. While boss heights vary by design, the following guidelines will help avoid surface imperfections like sink marks and voids: the height of the boss should be no more than 2 1/2 times the diameter of the hole in the boss.