How to eliminate the shrink marks?
How to eliminate the shrink marks? What are shrink marks in Injection Molding？ Shrink marks (also known as sink marks) are small, shallow depressions or dimples that appear on the surface of an injection-molded plastic part. They are not cracks or holes, but subtle surface defects caused by uneven cooling and material shrinkage during the molding process. These marks can […]