Tag Archives: injection molded toys

Analysis and solution of black spot defects in injection molded products

Overmolding for injection molded parts

Black spots refer to dark or striped black spots on the surface of the product, usually appearing near the gate along the flow direction. This defect is a surface quality problem and is common in the injection molding process. The following is an analysis and elimination method for black spot defects. Analysis and elimination method […]

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