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Causes for Black Specks in Your Injection Molds

Causes for Black Specks in Your Injection Molds

When you see black or brown specks on your molded part, you’re probably dealing with material that has been severely degraded. Sometimes called carbon buildup, black specks are sometimes mistaken as material contamination. While contamination can be a cause, you’ll...
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...
6 Key Factors for Perfect Mold Cavity Balance

6 Key Factors for Perfect Mold Cavity Balance

In all phases of the molding process—first stage, second stage and cooling—the cavities must be treated the same. If not, you run the risk of several different injection molding defects. We can prevent these issues in advance by ensuring six key factors are as they...