Extrusion
Cyclic Olefin Copolymer Enhances Polyolefin Blends for Film Packaging
Cyclic olefin copolymer (COC ) is an amorphous thermoplastic that is finding increased utility as a blending agent in polyolefin packaging films for medical, consumer, and industrial markets.
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Multi-Layer Injection Molded Tubs Take on Thermoforming & Metal Cans
Kortec Inc., Ipswich, Mass., a supplier of multi-layer injection molding technology, is launching an altogether new system for making rigid barrier containers.
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Microcellular Foam with Heat-Cool Makes Class-A Glossy Parts
A high-gloss surface equivalent to automotive Class-A solid molding can now be achieved with the weight savings and other benefits of microcellular foam molding, thanks to a new licensing agreement between Trexel Inc., Waltham, Mass., and Ono Sangyo Co.
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FDA Gives OK to Novel RPET Extrusion System
German equipment supplier Gneuss (U.S. office in Matthews, N.C.) last month received an unrestricted non-objection letter from the U.S.
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Toray Produces Biax, Metalized PLA Film
Oriented films producer Toray Plastics (America), Inc., N.
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Overfeeding Can Cause Surges, Too
Surging can be caused by feed restrictions, as covered in another column, and also by over-feeding or under-melting, discussed here.
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Extrusion Vet Guthrie Supplies Recycling Equipment
Long-time extrusion industry executive Sandy Guthrie has started his own recycling equipment company.
Read MoreHPM Nameplate Revived
Yizumi Precision Machinery Co. of Hong Kong paid $325,000 in late March to win the rights to HPM’s name, designs, and customer lists during a two-day auction at the Mt.
Read MoreKnow the Three F’s Of Profile Tooling Design
Designing an extrusion profile and ultimately the die design and sizing equipment cannot be executed successfully without a full understanding of the customer鈥檚 quality expectations or specifications.
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Solving Feed-Related Surging
Understanding the causes of surging can help troubleshoot and correct it.
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