Plastics take lead in hot and cold water pipes

December 17th, 2008

Congoo News: Plastics has taken the lead in the European hot and cold water pipe markets, according to an Applied Market Information (AMI) report. The European Hot & Cold Water Pipes study found that, in metres, plastic

Wexco: New Bimetallic Barrel Alloy Boosts Sustainability

December 16th, 2008

Improved durability and wear resistance, a lower coefficient-of-friction, and compatibility with a wide variety of hard-faced flight materials are key features of Dura 686XL™, a new, patent-pending bimetallic barrel-lining alloy for high-speed applications from barrel manufacturer Wexco Corporation (Lynchburg, VA).

Although processing machinery manufacturers and tooling engineers have kept pace with developments in processing plastics at ever higher screw speeds and volumes, little has been done to advance the durability of conventional boron bimetallic barrel linings.

According to Tony Grant, Director of Sales and Marketing at Wexco, screw speeds and throughput rates for filled and unfilled materials have nearly doubled in recent times, introducing an unprecedented degree of wear energy into plasticizing unit assemblies.

“The choice left to molders and machinery builders is to use more expensive barrel linings, those typically used for running highly glass-filled compounds and other severe-wear applications. But, in many cases, I call this approach ‘application overkill.’

“Our new Wexco 686XL alloy provides machine builders and processors with a more affordable, extra-heavy-duty, longer-life alternative, providing sustainable machine performance.”

Calvin Lundeen, Ph,D., P.E. and head of engineering and technical services at Wexco adds, “The unique characteristics of this new patent-pending alloy also include improved damage resistance and a lower coefficient of friction. We’ve found that these features improve wear life without requiring an increase to hardness.”

Dura 686XL has a proprietary alloy chemistry specially formulated for high-speed applications in blow molding and injection molding machines. It’s suitable for use by molders and extruders who want to replace their more conventional linings to improve durability.

Dura 686XL provides excellent resistance to hardness

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losses caused by elevated temperatures and friction energy. It is compatible with the majority of screw hard-face flight materials and metal constructions.

Its low coefficient of friction improves durability and metal-to-metal compatibility. In standard, recognized tests for determining abrasion resistance—ASTM G75 slurry abrasion tests, and ASTM G65 dry sand abrasion tests—Dura 686XL provided dramatic service-life improvements when compared to nitrided barrels. And it was shown to provide a significant increase in wear life when compared to Wexco’s standard iron-boron alloys and similar inlays.

“In actual field test observations these barrels have out-performed our expectations,” Grant concludes.

PLA becomes hot topic for Cool Change

December 16th, 2008

PLA becomes hot topic for Cool Change, UK
The business sources the biodegradable Ingeo PLA bottles from US-based NatureWorks, a company that claims the material requires less energy for production

Ampac Flexibles expands capacity with W&H multilayer-film line

December 16th, 2008

Ampac Flexibles expands capacity with W&H multilayer-film line
Converting Magazine, IL -
Ampac’s new extrusion line is part of the company’s capital growth strategy and commitment to high quality packaging. In addition to the new line,

New Pelletizer Die Design Eliminates Die-Hole Freeze-Off - Tooling Online

December 16th, 2008

New Pelletizer Die Design Eliminates Die-Hole Freeze-Off
Tooling Online (press release), St. Kitts and Nevis
Addison, IL - CROWN Machine uwp, Inc., a provider of equipment for compounding, plastic recycling, pipe extrusion, profile extrusion and sheet extrusion,

Pipe makers want to raise PVC pipe usage to 30pc

December 16th, 2008

Congoo-News: Kuala Lumpur: The Federation of Malaysian Manufacturers-PVC Piping System Group (FMM-PPSG) aims to increase the market share of PVC pipes to 30 percent over the next five years from 10 percent currently.

Cereplast to Supply Bio-Based Plastic Used to Make Products for Chipotle Restaurants

December 16th, 2008

Congoo - News: Cereplast, Inc. (OTCBB: CERP), manufacturer of proprietary bio-based, sustainable plastics, today announced a supply agreement between HAVI/Perseco (HAVI), a leader in supply chain management, and Chipotle…

World’s first liquid foaming agent for PVC Extruded Sheet unveiled

December 16th, 2008

Congoo News - Colorant and additive company ColorMatrix Group Inc. have developed a very first liquid foaming agent for production of PVC extruded foam sheet. The new Excelite technology is an extension to their expertise

Energy-saving technology creating new standards

November 7th, 2008
The 2008 version of the European trade show was packed with claims of energy-sipping injection technology and marketing pitches — a taste of things to come at next yearâ??s NPE. Green marketing was everywhere

Evonik’s PLEXIGLAS business on an expansion spree in Russia

November 7th, 2008
As part of its strategy to develop the PLEXIGLAS business within the Russian Federation (RF), Evonik mis my in gu si we us su ro sh ph we lg mc fa st ey ge no se ol te im se se dr es bu an am Industries and its Russian JV DESTEK Ltd. have decided to nearly triple the existing extrusion capacity