We are a modern-day "cash'n'carry". In order to provide a rapid and cost effective service we do not offer credit accounts, Our trading hours are 08:30 to 17:30(email support only from 17:00 to 17:30) Monday to Friday UK time. Some email support is also available on Saturday 09:00 to 12:00. Test certificates are the responsibility of the purchaser who should independently determine that the product is suitable for their particular application. Please note we are trade wholesale suppliers, NOT retailers. All goods on our sites are supplied in bulk, trade quantities and are not generally packed for retail sale. Goods are supplied solely under our terms and conditions of sale which can be seen on our websites.