Trouble Shooting

Molding Defects

The term "delamination" is used to refer to a condition where a thin micaceous layer develops on the molded product and then becomes separated.

cause(1)	Inclusion of a plastic which has poor compatibility with ABS (i.e., PP or PS, etc.)
Countermeasures	Carry out cleaning. - Inside the cylinder - Inside the hopper - Inside the air feed lines - Inside the dryer
Cause (2)	When the die and plastic temperatures are extremely low, the difference in temperatures between the outer walls and the fluid layer results in the development of a thin hard coating which then peels.
Countermeasures	Standardize the resin temperatures. - Raise the temperature of the resin - Raise the temperature of the die) [Reference] Product introduction , product design guide

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