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Paint Performance Testing: Interior Paints Applied to Walls and Ceilings

Introduction

The tests listed below relate to coatings applied to walls or ceilings.

If your coating is intended for use in kitchens or bathrooms or as a hygienic coating, the links will take you to pages dealing with the assessment of these products.

Method of Testing and Assessment

The table shows the tests carried out. The links will take you to pages which give details of the test methods.

Test	Standard
In Can Properties	BS 3900-A2 : ISO 1513
Application Properties, Appearance and Coverage	In-House
Surface Drying Time	BS 3900-C2 : ISO 1517
Through Drying Time	BS 3900-C3 : ISO 9117: BS EN 29117
Recoatability	In House
Gloss/Sheen	BS EN ISO 2813: BS 3900-D5
Scrub Resistance and Cleanability	BS EN ISO 11998

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.

You can include additional coatings for comparison with the reference coating or with each other.

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.

On completion of the tests, we issue a report which give the results obtained and (if you have requested that option) our opinion of the quality of the coatings under test.

Sample Requirements

We require 1 litre of each coating .

Charges and Time Scale

Option	Cost (£)
Option 1: Client Assessment	300 for a single coating 275 for each additional coating
Option 2: PRA Assessment	675 for comparison of two coatings 325 for each additional coating

VAT (if applicable) is additional.

The time scale for both options for up to six coatings is about 6 weeks.

Please contact Peter Collins for further details.

 

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