Articles

Hot Runners

New Ownership for Husky

Boston-based private-equity firm Berkshire Partners and OMERS Private Equity of Toronto reportedly paid $2.1 billion last month to jointly buy Husky International Ltd. and its subsidiaries, which makes injection molding machines, hot runners and molds.

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How To Size & Calibrate Profile Parts

Doing it right is critical to maintaining profile dimensions.

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Extrusion

Screw Surging, Part III: Unfilled Discharge Section

This type of surge happens most frequently with two-stage screws when the second stage has far more capacity than the first stage. It can also happen when a screw is limited in feeding or melting, causing a partially filled metering section.

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processing tips

Screws and Pellets: One Size Does Not Fit All

Screw design, pellet type/size and material behavior are all critical issues to consider to deliver uniform melt to the mold.

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On Site: Tailoring Medical Solutions… Sometimes in 50-lb Lots

Smaller volumes teams with higher quality and value as keys to the success of this growing medical compounder.

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New U.S. Molding Operation Brings Processing In-House

Freudenberg Household Products (FHP), Germany, known in the U.S. for its line of O-Cedar mops, brooms, dust pans, etc., has joined forces with Spanish injection molder SP Berner Plastic Group, S.L., to form a joint venture company called FHP Berner U.S.

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Film Extrusion

Look Upstream to Avoid ‘GIGO’ Pitfalls in Extrusion

You may think you have a feeding issue when in reality your problem may be upstream.

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Additives

New PVC Resins Are 'Better Problem Solvers' for Plastisols

It’s relatively rare that a new PVC resin grabs the headlines, but here’s one that could be big news for plastisol formulators and processors.

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Sheet Extrusion

Nano Technology Moving Fast Into Blown, Flat Film

New technology to process nano blown films unveiled by Dow at Antec. Nano cast film, sheet advances too.

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Polypropylene Heading Down

The Polypropylene market continues to be volatile.

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sustainability

What Does ‘Sustainable’ Mean to Consumers?

What does 'sustainable' mean to consumers of plastics products?

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Film Insert Molding Adds Antennas to Cell Phones

 WEB EXCLUSIVE: One of two recent developments in polycarbonate films allows cost-effective integration of antennas into cell phones via printed electronics and film insert molding (FIM), also known as in-mold decorating (IMD). Bayer MateriaScience AG in Germany (U.S. office in Pittsburgh) has applied for a patent on a method of using printed electronics on PC films, which are then back-molded into cell-phone housings.

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