Injection Molding

Time to Step Up
Join the “conversation” about the value to society of the plastics industry.

Plastics Processing Bounces Back from Brief Lull
September Index climbs 5.5% from prior month.

Identifying and Correcting Splay
Splay adjustments can be a simple fix, or can require several hours of babysitting a press and head scratching. Learn to find the root cause.

Injection Molding: Sliding vs. Locking Ring—Which Non-Return Valve Is Right for You?
The locking-ring style appears to dominate the market, as most believe it makes a make a better seal and leaks less. But is this really so?

Processors' Growth Is Slowing
August’s index of 52.7 shows processor growth abating.

Gear up For Molding 2019 Conference
Premier technical conference for all things injection molding is slated for Indianapolis in March.

Injection Molding: Is There a ‘Most-Important’ Process Parameter?
A case can be made for multiple variables—fill balance, fill time, injection pressure, cavity pressure—as most important. But there is something else altogether that is essential to successful injection molding.

Injection Molding: Fill Based on Volume, Not Weight
Most parts should be 90-99% full after first-stage—by volume not weight. Here’s why that’s important and how to make a first-stage-only part.

Get Free Guidance on Molding Resins
Mobile Specs app and website provide processing parameters on thousands of resins … at no cost.

Injection Molding: Safety First—Know the Compatibility of Different Resins
Certain materials don’t play well together when mixed. So it’s best not to. Here are some guidelines.