Effects of Design Changes on Pressure and Cooling

This table summarizes the effect of design changes on the processability of a part.

Part/Mold/Material design change	Pressure Required to Fill	Cooling Time
Increase wall thickness	Decrease	Increase
Decrease wall thickness	Increase	Decrease
Increase flow length (change gate location)	Increase	N/A
Decrease flow length (change gate location)	Decrease	N/A
Add gates	Decrease	N/A
Add reinforcements (glass fiber)	Increase	N/A
Add colorant	Increase or Decrease	N/A

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