b'T E C H N I C A LIndependently laboratory tested to comply with the AS/NZS2728:2013 performance requirements. Suitable for ISO9223:2012. Atmospheric Classifications C1C3.S U B S T R A T EHot-dipped Aluminium/ Zinc/ Magnesium alloy coated steel coil. Manufactured to AS 1397:2011.C O A T I N GStandard pre-treatment chromate conversion coating, corrosion resistant primer, specifically formulated highly durable topcoat. Shadow Grey backing coat. Typical coating thickness ~ 35ums 8ums.G L O S SStandard gloss measurement techniques not applicable.S T R I P P A B L E F I L MProducts are supplied with a removable protective film. This material has a relatively short lifespan when exposed to sunlight and weather. It should be removed either just before, or immediately after installation.'