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General packaging materials, equipment and services
News Release from: Zotefoams | Subject: Zotefoam
Edited by the Manufacturingtalk Editorial
Team on 14 July 2006
A World first from Zotefoams
Zotefoams claims to have achieved another important 'World First' with the commercial introduction of a lightweight foam based on polyamide-6 (Nylon 6)
Branded ZOTEK N, this low density, closed cell, cross-linked polyamide foam is claimed to provide an unmatched combination of high temperature performance and resistance to hydrocarbons Polyamide is known for its strength, toughness and durability at higher operating temperatures and it is particularly resistant to swelling by oils and fuels
This article was originally published on Manufacturingtalk on 12 Feb 2007 at 8.00am (UK)
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Moulding foams toxicity tested and approved
Foams from Zotefoams are manufactured by a unique nitrogen gas expansion process and are exceptionally pure, unlike chemically blown foams, complying with the Oeko-Tex 100 toxicity standard.
New Foams from Zotefoams
Zotefoams' foam technologists have developed two new ranges of heavier density cross-linked block foams, which are to be marketed under the Hizote brand.
ZOTEK N foam combines these properties and the ability to be thermo-formed with low weight, thermal and acoustic insulation, good energy absorption and buoyancy.
It has a density of 50 kg/m3 but a wider range of densities is envisaged as applications develop.
ZOTEK N foam has greater structural rigidity than low and medium density polyethylene foams and retains much higher rigidity at elevated temperatures and when dry.
This new polyamide foam can be fabricated by the same methods as polyolefin foams.
This includes thermoforming processes such as vacuum forming and heat impression moulding, die and water jet cutting.
ZOTEK N foam has a significantly higher upper operating temperature limit than most common foams.
The exact limit depends on the application and duration of exposure but thermal shrinkage is reported to be not significant (<= 5%) at 210degC over 24 hours.
Upper temperature limits for long term, continuous use will be far higher than those for polyethylene or polypropylene foams but their suitability should be determined for each individual application.
ZOTEK N is thought to be an ideal material for use in under bonnet applications in the automotive industry where polyamide is already used extensively, as well as for seals, gaskets and high temperature insulation in the engineering sector. Request a free brochure from Zotefoams ...
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