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Nanoplas Blog

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...

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...

What Causes Plastic Delamination in Injection Molding?

What Causes Plastic Delamination in Injection Molding?

When you’re able to peel the surface of a molded part, layer by layer, you’re dealing with delamination, an injection-molding defect that is sometimes also known as lamination or layering. This is a bad sign—delamination hurts the strength of the part, thus making it...

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...

How to Properly Apply Injection Mold Coating

How to Properly Apply Injection Mold Coating

  There are three types of injection mold release coatings within our Nano Mold Coating family and two ways to apply them, depending on the type of coating you’re using. Our HC and HCF (the food-grade alternative to HC) coatings are applied in the tool room at...

Basic to Advanced Injection Mold Maintenance Checklist

Basic to Advanced Injection Mold Maintenance Checklist

One of the most important aspects of injection molding, or anything involving machining, is making sure machines are running at peak performance. Any downtime cuts into efficiency and, ultimately, the bottom line. Prolonged downtime can lead to serious problems with...

Plastic Injection Molding Defects: Parts Sticking on Ejector

Welcome to our Plastic Injection Molding Defects series, where we will explain some common defects seen by injection molders and present ways to fix or prevent them. What is an Ejector in Injection Molding? The ejector is the part of the molding process that pushes...