Dyna-Purge, Div. of Shuman Plastics, Inc. Suppliers Showroom

'Dual Action' Purging Compound Accelerates Color Changes

NPE2024: Shuman Plastics’ Dyna-Purge Division launches Dyna-Purge L, extending its “3X technology.”

Got Streaks or Black Specs? Here’s How to Find and Fix Them

Determining the source of streaking or contamination in your molded parts is a critical step in perfecting your purging procedures ultimately saving you time and money.

A Planned Purging Program Can Boost Your Hot-Runner Efficiency

Molders can increase the efficiency of their hot-runner operations if a strategic approach is developed to address the need for required resin and color changes.

Shuman Plastics Co-Founder Hyman Shuman Dies

Decorated WWII veteran was 94.

Low-Viscosity, “Dual-Action” Purging Compound

Shuman Plastics’ new Dyna-Purge L purging compound is a recyclable, heat-stable formulation for hot runners, stack molds and extrusion applications.

Follow These Purging and Preventive Maintenance Tips for Your Screws and Barrels

Processors can extend the life of equipment and improve productivity by coupling a preventive-maintenance program for their screws and barrels with routine use of chemical purging compounds..

Follow These Steps to Purge Accumulator-Head Blow Molders

Preventive purging with a commercial product between resins or colors and during normal shutdown and startup cycles can prevent excessive loss of resin and production time.

NPE2018 New Technology Focus: Purging Compounds

Look for more versatile and improved efficiency purging compounds.

High-Utility, Multifunctional Purging Agents That Are 'Just-in-Time'

Two newest Dyna-Purge products are broader spectrum products that work within the temperature range of 320 to 625 F.

Resins & Additives at NPE2018: Spotlight on Performance, Economy, Sustainability

NPE will host lots of news in engineered thermoplastic compounds, customized TPEs, polyolefins for packaging, bioplastics, recycled content compounds, purging agents, 3D printing materials, and a slew of innovative additives.

Purge Compound with Dual-Action Cleaning

Dyna-Purge F2 features proprietary agents formulated to flow naturally through a variety of processing equipment.

Molder Cuts Post-Purge Costs and Downtime in Half

By switching to a new purging compound, IMCO now can complete a changeover in 10 min.

"Revolutionary" Device Makes Purging Safer, Simpler

What is said to be a “revolutionary” device designed to capture molten plastic purges and create a safer environment for personnel and equipment in plastic processing operations is being introduced at NPE2015 by the Dyna-Purge div. of Shuman Plastics. Lava-Shield is the result of a two-year development project and hundreds of rigorous field trials.

How to Avoid Problems When Using Commercial Purging Compounds

The best approach is to implement and standardize a three-step program to ensure you are purging in the best and most cost-effective manner possible.

Purging High-Performance Engineering Resins

One of the fastest growing markets for commercial purging compounds is purging high-performance engineering resins. It is also one of the most difficult challenges, since both mechanical and chemical purging compounds have limitations when it comes to heat stability, residence time, flow restrictions, etc.

MATERIALS AT NPE: All Market Sectors Benefit from Large Crop of New Materials

Higher-performance and easier processing PE film resins for packaging, a one-pass crosslinked PE for photovoltaic (PV) wire and cable, several higher-performing nylons and TPEs, “greener” plastics, and enhanced styrenic and PC resins are among the new materials that made their debut at the big show in Orlando, Fla., last month.

Materials & Additives at NPE: Performance, Processability, And Sustainability

Bioplastics take center stage.

Better Purging Saves Money, Material and Time

How much money can a better purging compound save even a small molder?

What to See at NPE 2006: Chemicals and Additives

Compounders, molders, and extruders will be treated to a wide range of new additives at NPE 2006.

Four Ways to Fight Sky-High Resin Prices

There are lots of ways to economize on resin costs, but here are four that you may have overlooked: negotiating smarter resin contracts, buying “futures,” using recycled resins, and more efficient purging aids. The main idea is to give yourself more choices, no matter what direction resin prices go.