Articles
PP Prices Down, Others Up
The second quarter started with higher prices for PE, PS, PVC, and ABS, but PP was down a bit.
Read More
How to Get Better MFI Test Results
It's the most common materials-property test performed by processors and resin suppliers alike, but it is susceptible to multiple sources of error.
Read More
Custom Structural Foam: A Small But Thriving Niche
How to succeed in the small but busy world of custom structural foam? Maximize your pounds per hour and use robots.
Read More
'Germ Warfare’: New Materials Withstand Sterilization, Disinfectant Barrage
At recent Plastec West show, material suppliers introduced grades that can withstand more and more varied sterilizations and/or materials that utilize specialty additives to impart antimicrobial properties.
Read More
A Better Way to Balance Die Flow
Use temperature adjustments before making any mechanical tweaks.
Read More
Screw Speed Versus Recovery Time
Many molders don't take screw-rotation speed into account when developing a process for a new mold. Here's why they should.
Read More
Compounding PLA on Twin-Screws: What Testing Reveals
Twin-screw extrusion is the preferred method for compounding PLA and other biopolymers. But processing PLA is complicated because it’s sensitive to heat and shear. It’s also prone to hydrolytic degradation if moisture is present in molten PLA. Here’s what one machine builder’s trials revealed.
Read More
Back to Its Roots in Film Extrusion
After drydocking its film extrusion business in '99, converter goes back to its roots with upstart sister company.
Read More
The Power of Numbers: Time to Step Up to Five Layers
Five-layer technology can provide processors with more productivity and greater flexibility to produce a wider range of products from a single line.
Read MoreLSR Molders Get New Control Over Cure Speeds
New LSR system lets molders tailor cure speed for each job.
Read More
Mid-Size Thermoformer Uses High-End CAD Tools
Dordan has found it important to develop a stepping-stone between concept and reality when it comes to communicating a packaging concept’s form and function to the customer.
Read More
