EU Rejects Bans on HFCs
On Oct. 26, the European Parliament of the European Union (EU) rejected bans on use of HFC blowing agents in foams, refrigeration, and air conditioning.
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Configuring the Twin Screw Extruder: Part 4
For many compounding operations, material is fed to the extruder at the feed throat. This is the case when feeding a single polymer or a blend of polymers mixed with solid additives. Some ingredients, however, present a challenge in feeding. Here’s how to solve to them.
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How to Configure Your Twin-Screw Extruder: Part 3
The melting mechanism in a twin-screw extruder is quite different from that of a single screw. Design of the melting section affects how the material is melted, as well as melt temperature and quality.
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How to Configure Your Twin-Screw Extruder for Mixing: Part 5
Understand the differences between distributive and dispersive mixing, and how you can promote one or the other in your screw design.
