Full details of sample preparation and curing will be given in the final report, and this information will be used as the basis of your listing by the Water
Regulations Advisory Scheme (WRAS) in the Water Fittings And Materials Directory.
Normally samples are prepared according to BS 6920 : Section 2.1, Clause 5.2.7, using one of the two standard curing times and temperatures.
1. Materials for use in water suppliers' installations
7ºC for a maximum of 21 days
Materials for use in dwellings and other buildings
Cure at 12ºC for a maximum of 7 days
Non-standard curing conditions At your request we can use these, but any Directory listing of your product will include the requirement for special curing conditions.
Sample size. For dry products please send us a maximum pack size of 5 Kilogram's, and for liquid products a maximum pack size of 1
Litre. If you supply the product in a non-standard container you must take responsibility for any possible interaction between the product and the container.
Site Vists. Where appropriate Wqc can visit your site or any site where the product is being prepared. This can be done as long as the cure conditions for the product can be maintained during transport of the test samples to the