he apparatus is constructed from stainless steel for outstanding durability and to eliminate the chance of contamination from corrosion. The Spray Nozzle is made from aluminium in accordance with the standards listed above.

The test methods described in the various listed procedures are all very simple.

A predetermined quantity of water is allowed to spray from the aluminium nozzle down on to the test specimen, which is positioned at 45° and whose centre is 150mm from the centre of the nozzle.