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Eliminating Cracks Within Injection Mold Parts

Eliminating Cracks Within Injection Mold Parts

What Is Cracking in Injection Molding? When a part is physically fractured or broken, you’re experiencing cracking. Cracks usually occur due to post-molding conditions, but when troubleshooting cracking, you want to know exactly when the cracking is happening as it...
Troubleshooting Contaminated Molds

Troubleshooting Contaminated Molds

What Is Contamination in Injection Molding? Contamination appears as discoloration, streaks, splay, delamination and other types of defects. Because it’s such a broad area with multiple possible culprits, is best to start with the usual suspect: the material brought...
Troubleshooting Injection Molding Gate Blush

Troubleshooting Injection Molding Gate Blush

When you see a non-uniform fanning out from the gate, which appears as a different color or gloss level to the surrounding plastic, you may be dealing with gate blush. What is Gate Blush? Also known simply as blush, or gate shear or halos, gate blush is a dull or...
Plastic Injection Molding: Preventing Bubbles

Plastic Injection Molding: Preventing Bubbles

Are you experiencing bubbles during your injection molding processes? Let’s go through the possible causes—and fixes—to get rid of bubbles. What are Bubbles in Injection Molding? Bubbles, sometimes known as gas traps or blisters, are cosmetic defects that detract from...