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Composite coating & flexible ceramic based heatshield combine highly reflective properties of gold

ThermoHold® GOLD (for composites) and its sister product ZircoFlex® GOLD heatshield material provide protection from both conductive and radiant heat sources thanks to Oxfordshire firm developing a method to apply real gold to its ceramic products.

 
 
ThermoHold Gold thumbnail
ThermoHold Gold thumbnail
PRLog - Jan. 10, 2013 - BANBURY, U.K. -- OXFORD – Engineers who previously had to rely on multiple products to protect composites and heat-sensitive parts from different forms of heat damage can now specify a single coating or heatshield from Zircotec.  Thanks to its unique combination of ceramic and gold, ThermoHold® GOLD (for composites) and its sister product ZircoFlex® GOLD provide protection from both conductive and radiant heat sources thanks to the blend of ceramic insulation and real 24 carat gold providing 98 percent reflectivity.

Research conducted by Zircotec on existing ‘gold’ heatshields available highlighted that many did not actually contain gold. These were simply aesthetic finishes with no real improvement in heat reflectivity. Other more expensive products were in fact copper-based and whilst these were effective when new, the copper quickly oxidised when temperatures exceed 500°C, reducing its ability to reflect heat away. Furthermore, neither of the products tested offered any real protection from conductive heat.  “The reflective properties of gold have long been trusted to protect sensitive components against heat,” says Terry Graham, Zircotec’s managing director. “However, real gold foil is rarely used; it is highly expensive and offers little or no protection against conducted heat. Our new products enable engineers to manage both forms of heat with a single gold finished coating or ZircoFlex GOLD heatshield product, thereby helping to solve packaging and installation issues.”

ZircoFlex GOLD heatshield is just 0.17mm thin and at 230 g/m² is half the weight of the current ZircoFlex product. Combining superlight weight with its ability to be cut and folded makes it attractive for weight sensitive or package restricted applications such as Formula One, high-end motorsport, aerospace or defence. Supplied as a flat sheet, it can be used to protect ancillaries such as batteries as well as bulkheads, composite parts and fuel tanks.

ThermoHold GOLD (for composites) is the result of a two year programme to develop a robust capability to apply gold to our ceramic coating and yet remain commercially affordable. Careful preparation and mixing of the feedstock combined with a new ‘layering’ application process was eventually determined to give the best results. “ThermoHold GOLD for composites provides the neatest and lightest way of protecting composites in high temperature applications,” claims Graham. “Just 170 microns coating can provide significant surface temperature reductions.”  

Prototype samples have already generated significant interest in professional motorsport. “Race engineers are really excited, they understand we are offering double the protection for half the weight,” adds Graham.  “A potential application around the cockpit in endurance racing cars could lower the need for power sapping air conditioning during races.”

Both variants will be available from mid-January from Zircotec and its authorised distributors.

About Zircotec  

Zircotec www.zircotec.com offers a wide range of plasma sprayed ceramic and metallic coatings that protect components against the effects of heat, wear, abrasion and corrosion. Lightweight and easily packaged, Zircotec’s technologies can be applied to a broad range of different materials including metals and composites. Proven in F1 and the nuclear industry, the technology is now trusted by car manufacturers, industrial users, car enthusiasts and an increasing range of other applications to effectively manage heat and wear, enhancing performance and reliability and  ZircoFlex™ offers, for the first time, a truly flexible ceramic coating.

Press Enquiries
Zircotec


Nick Bailey, Propel Technology, Bloxham Mill, Barford Road, Bloxham, Banbury, Oxfordshire, UK, OX15 4FF. +44 (0)1295 724130 / +44 (0) 7813 956664

nick@propel-technology.com

Sales Enquiries
Zircotec


Peter Whyman, Zircotec, 22 Nuffield Way, Abingdon, Oxon, OX14 1RL

+44 1235 54 60 50

peter.whyman@zircotec.com

Photo:
http://www.prlog.org/12056748/1

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Source:Propel Technology
Phone:+44 (0)1295 724130
Zip:OX15 4FF
Location:Banbury - Oxfordshire - United Kingdom
Industry:Automotive, Engineering
Tags:zircotec, heat shield, Zircoflex, gold, thermohold
Shortcut:prlog.org/12056748
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