Anodised Aluminium Test Reports   Hardness Tests Metallurgical testing has confirmed that Universal Hardcoat is up to twice as hard as stainless steel – important wherever abrasion is a consideration. To view a report summary, click here. Sealing Tests Examination of Universal Hardcoat samples indicated sealing of the highest quality. To view a report summary, click here.   Ultraviolet Tests Accelerated UV irradiation testing has confirmed Universal Hardcoat is virtually unaffected by the equivalent of 50 years of Sydney (Australia) UV exposure. To view a report summary, click here.   Corrosion Tests Salt spray testing has confirmed that 15 to 25 micron Universal Hardcoat is virtually unaffected by exposure to salt spray corrosion. To view a report summary, click here.