Below we have defined the minimum performance requirements for deliverable goods to customers.
¡ñ Ejector Pin Marks: Ejector pin protrusions and depressions flush to .010"
¡ñ 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
¡ñ 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"
¡ñ Color Streaks: Color streaks visible at 18" to the unaided eye. - Not Acceptable
¡ñ Contamination - Pollution of grease, oil antifreeze on parts. - Not Acceptable
¡ñ Delaminating - The splitting of plastic material along its layers. - Not Acceptable
¡ñ Flow Lines/Knit Lines - A mark on parts where two flow fronts meet. Acceptable if not visual part or specified.
¡ñ Gas Burns - Thermal decomposition through discolorization, distortion or destruction. - Not Acceptable
¡ñ Sink - Depression or dimple on a molded part. May not exceed 20% of the adjacent molded part.
¡ñ Specks - Specks visible at 18" to the unaided eye. - Not Acceptable
¡ñ Splay - Lines found in parts after molding. - Not Acceptable
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