ABS Trouble Shooting - Molding Defects

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Molded Part Cracking

Chemical stress

Fatigue failure

Plated part cracking

Molding Defects
   Silver streaks
   Short shot
   Jetting
   Flow marks
   Color streaks
   Weld lines
   Flash
   Delamination
   Stringiness
   Sink marks
   Warping or twisting

Weathering

Painting Defects
   Pinholes
   Cracks
   Sinking
   Crawling
   Sealing defects

Molding Defects

The following pages will describe the various types of problem that we have experienced in the molding of ABS.

Product design, material selection, and molding conditions

The following problems either occur individually or in combination.
Click on one of the following items for more details about the corresponding problem.



	Silver streaks Short shot Jetting Flow marks Color streaks Weld lines Flash Delamination Stringiness Sink marks Warping or twisting

UMG ABS, Ltd accepts no responsibility for the quality or safety of any customer products which use our materials or which have made use of any type of data provided by this company. Customers are requested to independently determine the suitability of our materials for their products. We also request that sufficient attention also be paid to laws, regulations, and industrial rights.