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Paint performance testing

Testing and Assessment of Coatings


If an appropriate international standard exists (and if time and money allows) we would always regard testing to this standard as the preferred method of paint assessment. Unfortunately there are only a limited number of coating-related international standards with pass/fail criteria and some of these are time-consuming and expensive to carry out.

In order to overcome this problem, we have compiled suites of test methods (mainly international but with some in-house) which we regard as a means of obtaining the maximum amount of information with the minimum expenditure of time and money.

We do not set our own pass/fail criteria so we offer the following options:-

Option 1: Client Assessment

This option is available to clients who are happy to make their own interpretation of the test results. They can submit one or more coatings with or without a reference coating.

Option 2: PRA Assessment

This option is appropriate for clients who would like us to comment on the significance of the test results and to give our opinion on the performance of the coatings tested. Experience has shown that the most effective way that we can do this is:-

  • we obtain a premium brand coating of the same type as the one under test; our report does not identify the actual coating obtained.
  • we test both coatings.
  • we issue a report which give the results obtained from both coatings and which includes our opinion of the quality of the coating under test.

Clients can submit their own reference coating but if they provide one which they do not make or market, we ask that they re-label it as (for example) "Sample X". We do not issue reports containing the names of coatings unless they are made or marketed by the client.

Hygienic coatings

When testing hygienic coatings there are two distinct types we have categorised them as:

Type A

Those designed to inhibit microbial growth (especially bacteria). These coatings are intended for use in hospital wards, food packaging areas and other locations where a sterile surface is required but where severe soiling is not expected.

Type B

Those which do not actively inhibit microbial growth but are designed to withstand frequent cleaning. Coatings of this type are intended for use in abattoirs, food preparation areas, hospital operating theatres and other areas where surfaces are liable to become soiled and need to be kept both clean and sterile.

Test Method Selection

The following tables list the coating types that we can assess with the appropriate test methods. For any given coating type, we test solventborne and waterborne variants in exactly the same way. When selecting a premium brand coating for comparison purposes however, we would normally compare solventborne with solventborne and waterborne with waterborne.

Coatings News

Press Release Nov 17

9th November 2017

PRA granted UKAS accreditation

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Irfab releases first Global Industrial Coatings Market study module - Protective

23rd January 2017

PRA Irfab have released the first module of the new Global Industrial Coatings Market study, Protective.

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Woodcoatings Congress Proceedings

11th January 2017

Did you miss PRA’s 10th International Woodcoatings Congress? You can now buy a copy of the full proceedings and papers from the European Coatings Website!

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Christmas Shutdown

21st December 2016

We will be closed between Saturday 24th December 2016 and Monday 2nd January 2017.

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PRA Newsletter

7th December 2016

Click on the link to view PRA's new quarterly Newsletter

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PRA Press Release November 2016

30th November 2016

Notice of Management Buyout of PRA from Pera Technology Solutions

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Welcome to new Member Olin Epoxy!

21st October 2016

Welcome to our newest member - Olin Epoxy!

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Welcome to M&K Ghana

28th September 2016

PRA are pleased to welcome M&K Ghana to membership.

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Welcome to our new Member Synthomer

14th September 2016

Welcome back to PRA Synthomer!

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Welcome Dupre Minerals to PRA

28th July 2016

PRA is delighted to welcome another new member to the PRA - Dupre Minerals

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Autumn/Winter Training Courses Announced

22nd July 2016

PRA is delighted to preview its Autumn/Winter Training Courses for 2016.

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