0 Items
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...
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...
Fix Ejector Pin Mark Issues in Injection Molding

Fix Ejector Pin Mark Issues in Injection Molding

Ejector pin marks, sometimes called pin push, are the glossy or white imprints caused by the ejector pins that show on the class-A surface of the part. These marks can easily crack during the use of the actual products, so you want to prevent ejector pin marks before...