Finishing - July-August 2020
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GRAPHENE 11<br />
exceptionally long and tortuous path for any<br />
corrosive liquid to work its way through a<br />
coating.<br />
Our Graphene manufacturer and supplier,<br />
Applied Graphene Materials (AGM), was<br />
founded by Professor Karl Coleman in 2010,<br />
with its operations and processes based on<br />
technology that he initially developed at<br />
Durham University. The creation of their<br />
Graphene is through a proprietary, patented<br />
process.<br />
Andy Gent, commercial director at AGM,<br />
has worked with Blocksil from the beginning<br />
of this project and comments “Blocksil’s idea<br />
to use our Graphene within their corrosion<br />
resistant roof coating has taken everyone<br />
forward in terms of coating technology.”<br />
Introducing the Graphene into the roof<br />
coating has involved some fancy chemistry<br />
activity by our toll manufacturers and<br />
ourselves, but now it is here, and all can<br />
benefit from the enhanced performance.<br />
Our standard roof coating will give some<br />
5,000 hours of salt spray (ISO 9227 – Neutral<br />
Salt Spray, with testing in continuous 5%<br />
Sodium Chloride solution at 35oC). The<br />
addition of Graphene takes us past 10,000<br />
hours!<br />
The standard coating thickness of the<br />
Graphene Enhanced Top Coat is just 200 to<br />
250 microns and there are a range of primers<br />
and rust converters that are chosen according<br />
to the particular needs of the job to be coated.<br />
The Graphene Enhanced Top Coat is available<br />
in a wide range of colours. Depending upon<br />
the location of the steel to be coated we are<br />
offering at least a 20-year warranty.<br />
Alltimes Coatings have created a highly<br />
professional online CPD (Continuous<br />
Professional Development) presentation which<br />
explains in greater detail just how the<br />
Graphene Enhanced Top Coat benefits steel<br />
surfaces. Entitled “Rust Never Sleeps”, this<br />
CPD is available via Alltimes Coatings<br />
(www.alltimescoatings.com).<br />
To date the Graphene Enhanced Top Coat<br />
has been approved for use by a multinational<br />
telecommunications company and a key<br />
railway services company. This is in addition to<br />
all the hundreds of steel roofs that have<br />
benefited.<br />
For more information on Graphene<br />
Enhanced Top Coat for structural steel<br />
corrosion resistance, please contact Blocksil<br />
(www.blocksil.co.uk).<br />
References:<br />
1 National Association of Corrosion Engineers<br />
2 Allied Market Research<br />
Surface Technologies<br />
CWST have developed a Post Additive<br />
Manufacturing process to:<br />
l Improve surface finish and surface<br />
characterisation<br />
l Improve component cleanliness<br />
l Remove support structures<br />
l Remove sintered surface<br />
l Surface compression and densification<br />
l Management of residual stresses<br />
l Improve fatigue life<br />
www.cwst.co.uk | eurosales@cwst.com | 01635 279621<br />
<strong>Finishing</strong> – <strong>July</strong>/<strong>August</strong> <strong>2020</strong>
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