Product category:
Materials Testing
News Release from: Gearing Scientific | Subject: Triton Technology
Edited by the Manufacturingtalk Editorial
Team on 15 February 2006
Contract test laboratory for DMA
Gearing Scientific with its 30 years of experience in DMA DMTS and DMTA is now acting as consultant in DMA to Triton Technology, as well as running its own DMAs in a contract test laboratory.
Gearing Scientific with its 30 years of experience in DMA DMTS and DMTA is now acting as consultant in DMA to Triton Technology, as well as running its own DMAs in a contract test laboratory in Cambridge, so that clients who just need a few runs in Relative Humidity or in a liquid solvent (or even in air) to look at the glass transition (Tg) or degree of cure, can do this without having to purchase their own The temperature range is from below -180 deg C to around 400 deg C with frequencies upto 300Hz (18,000rpm) available
This article was originally published on Manufacturingtalk on 7 Jan 2003 at 8.00am (UK)
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Thermal Expansion Testing from DMA
A new DMA from Triton Technology Ltd, sold exclusively in the UK by Gearing Scientific Ltd can now do thermal expansion testing (TMA) both in solvents and in air or other gases.
Research polymers and standards for calibration
New polymers with particular relevance to polymer and pharmaceutical research are now available in 1 or 5 gram quantities in Europe exclusively from Gearing Scientific.
(1kHz too both mechanically for large samples, and by Di-electric spectroscopy on thin films etc) Typically over 1000 times the sensitivity of DSC for co- and ter-polymers showing all Tg's (alpha) and beta transitions during the thermal scan.
Sample size ranges from a few milligrams of powder or wax or resin, via thin fibres and films or coatings to thick bar samples of polymer or composite.
Beyond our application notes on most polymers, many have asked for a book on the theory and principles of DMA - and copies of a recent hardback polymer test handbook with a full chapter on DMA (with 146 references) are available ex-stock here in Ashwell.
(Edited by R Brown - until recently one of the polymer testing experts at RAPRA, Shawbury, U.K.) These facilities complement the 3 thermal conductivity apparatus which are used to cover a very wide range of solid materials from vacuum panels, foams and polymers upto conducting ceramics or even stainless steel.
The Temperature range has been extended now from 0 deg C to 150 deg C and the results are traceable either to a European (NPL), or to a North American (NIST) standard.
A new facility is the liquid cell which can give the thermal conductivity of low viscosity liquids using just 50mls.
(For viscous liquids or mastics etc, we continue to use a polybag which has worked well for foodstuffs and putty etc) Short or longer term rental is also available as well as purchase.
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