best practices

Multicomponent

Tips and Techniques: How MedPlast Became a Multi-Shot Specialist

It started in a garage and evolved into a multi-plant, $100 million operation that holds particular expertise in multi-shot molding.

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Tips and Techniques: How to Mold & Extrude Using Chemical Foaming Agents

Here are some tips and techniques for extruders and injection molders to refer to when using CFAs.

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Construction

Energy Savings Pay Off Fast for Custom Profile Processor

More and more processors are looking an energy as a place to cut costs and improve their competitive position.

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Extrusion: A Roll Is a Roll Is a Roll?

Chill rolls may looks simple and shiny, but they play a critical part in cooling and polishing film and sheet and are not all the same.

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processing tips

Injection Molding: How to Set Second-Stage (Pack & Hold) Pressure

Most molders work with two parameters for establishing second-stage pressure. But within Scientific Molding there are actually four.

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Extrusion

Tips and Techniques: Boosting Extrusion Productivity - Part III of III: Trim Your Material & Energy Costs

Material cost is the largest cost factor in most extruded commodity products, so processors should be motivated to reduce these expenses.

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Thermoforming Helps Harvest the Wind

It was a decades-old relationship that led to the development of an exciting new application for twin-sheet thermoforming.

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processing tips

How to Set Up & Maintain An Efficient Resin Handling System

In today's world, having a reliable resin-handling and conveying system is as important as having reliable electrical power.

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processing tips

Extrusion: Start Up and Shut Down Properly

A key goal during startup and shutdown of the extruder is to prevent degradation of the polymer left in the extruder and downstream components such as screen changers, adapters, and dies.

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Drying

Injection Molding: You Must Dry Hygroscopic Resins

The reason you dry certain plastics is to get the moisture out. But why does the moisture have to be taken out before processing?

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Plastics Size Reduction
Blending & Dosing