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Know How

Tooling: How to Properly Size Gates, Runners and Sprues; Part 5 of 5

By: Jim Fattori

Get the sprue, runner and gate sizes close to ideal the first time around.
#bestpractices

Commodity Resins

Materials: Annealing Tips for Semi-Crystalline Polymers: Part 4

By: Michael Sepe

You can forgo the elevated mold temperatures normally recommended for high-performance semi-crystalline materials. But it’s risky and likely to yield parts that under-perform expectations … assuming that they emerge from the annealing process looking anything like the drawing.
#pet #bestpractices

Mold Maintenance

New Mold Grease Smooths Operations for Troublesome Tool

By: Tony Deligio

Switching to a new synthetic grease helped an injection molder keep a difficult die running, eliminating unplanned downtime and cutting scrap.
#technologyinaction #closeupontechnology #dies

Materials

New to Using Color Concentrates? Follow These Tips to Improve Results

By: Ronald Harris and Hari Rajaraman, Chroma Color Corp.

With a focus on highly loaded color concentrates, here is a guide for processors of rigid packaging and building products on how to specify the appropriate colorant for these applications.
#pet #color #polyolefins

Biopolymers

New Bioplastics Could Lead to Tougher, More Versatile Medical Implants

By: Lilli Manolis Sherman

Researchers at U.K.’s University of Birmingham have developed a type of nylon bioplastic that is tough and strong and easy to process for medical implants.

Consumer Products

Custom Molder Helps Entrepreneurs Choose Optimal Colorants for Successful Product Launches

By: Lilli Manolis Sherman

Blue Ring Technologies has zeroed-in on Chroma’s highly-loaded G2 colorant system for the production of high-quality parts.
#technologyinaction #processorsedge #polyolefins

Injection Molding

iMFLUX Leverages Its Resources to Fight Coronavirus

By: Matthew Naitove

P&G’s subsidiary pressed its design and moldmaking expertise into service to make face shields and nasal test swabs for the COVID-19 pandemic.
#closeupontechnology

Injection Molding

Captive Molder Seeks Bigger Footprint in Custom Business

By: Jim Callari

Pittsfield Plastics Engineering has spruced up its facility and added new technology as it seeks to expand its business beyond its proprietary line of reels and spools.
#technologyinaction #closeupontechnology

Extrusion

PE Film Market Snapshot 2020: Institutional Can Liners

By: Jim Callari

Market is about 1.37 billion lb strong now, and is expected to grow by 2.6% through 2022.

Injection Molding

Use This Check List to Get Your Machine Properly Installed

By: John Bozzelli

Whether you bought a new machine or one that’s been refurbished, you need to prepare for installation so that it can be executed as seamlessly as feasible. Here some advice.
#bestpractices

Materials

BOPE Takes Aim at BOPP & BOPET Films

By: Lilli Manolis Sherman

Nova’s new biaxially oriented HDPE is seen as a more easily recyclable monomaterial contender versus multilayer BOPP or BOPET films.
#closeupontechnology #polyolefins

Medical

Coronavirus Test Kits Test MGS’ Manufacturing Mettle

By: Tony Deligio

MGS Manufacturing is marshalling its injection molding, moldmaking and automation skills in a tightly compressed timeline to outfit the equivalent of a full-scale injection molding plant for COVID-19 test kits.
#planttour

Film

PE Film Market Snapshot 2020: T-Shirt Bags

By: Jim Callari

Coronavirus concerns have made some governments reverse bans on the books, but the T-shirt market is projected to be flat through the next three years.

Extrusion

Two for One: Molding, Extrusion Conferences Co-Located in October

By: Jim Callari

Plastics Technology  will bring its Molding and Extrusion Conferences to Illinois. Attendees for either can attend sessions in both.
#editorial

Extrusion

PE Film Market Snapshot 2020: Consumer/Industrial Product Liners

By: Jim Callari

Monolayer structures still dominate this market.

Extrusion

PE Film Market 2020 Snapshot: Stretch Film

By: Jim Callari

Stretch film accounted for 2.4 billion lb of PE of resin consumption in 2019, making this sector one of the largest and fastest growing markets within the PE film industry, according to Mastio’s research. The top five players hold about 80% of the market.