Below we have defined the minimum performance requirements for deliverable goods to customers.
● Ejector Pin Marks: Ejector pin protrusions and depressions flush to .010"
● Flash - Excess Plastic
Parallel to parting line = .005" x .015" long
Core flash = .005" x .015" long
Perpendicular from a core pin = .005" x .015" long
● Gate vestige
Tunnel Gates = flush to .010"
Hot Tips = flush to .010"
Tab Gates = flush to .010"
Pin Gates = flush to .010"
Fan Gates = flush to .010"
● Color Streaks: Color streaks visible at 18" to the unaided eye. - Not Acceptable
● Contamination - Pollution of grease, oil antifreeze on parts. - Not Acceptable
● Delaminating - The splitting of plastic material along its layers. - Not Acceptable
● Flow Lines/Knit Lines - A mark on parts where two flow fronts meet. Acceptable if not visual part or specified.
● Gas Burns - Thermal decomposition through discolorization, distortion or destruction. - Not Acceptable
● Sink - Depression or dimple on a molded part. May not exceed 20% of the adjacent molded part.
● Specks - Specks visible at 18" to the unaided eye. - Not Acceptable
● Splay - Lines found in parts after molding. - Not Acceptable