Q. Flash Q. Sink Marks Q. Warpage Q. Weld Lines Q. Short Shots Q. Silver Streak Q. Flow Mark Q. Jetting Mark Q. Discoloration Q. Surface Blisters Q. Brittleness   Q. Poor Surface Finish Q. Delamination Q. Burn Marks         Q. Short Shots     Machine/Pressure     Related Causes     Mold Related Causes   Resin Related Causes Decrease Cylinder Temperature Decrease Injection Speed Decrease Back Pressure   Resin is not Heat Stabilized