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