The gate hair adheres to the keyhole parting surface of the cover tool, causing a gap in the parting surface and causing flash defects on the keyhole parting surface.
Gate filaments adhere to the cover tool keyhole parting surface, causing gaps in the parting surface and resulting in flash defects on the keyhole parting surface
Gate wool adhered to the parting surface of cover tool, resulting in the gap of parting surface, resulting in flash defect on the parting surface of keyhole.