Fluorocarbon coating for extruded aluminium and the aluminium sheet shall be a factory applied, oven baked finished based on kynar 500 (Polyvinylidence Fluoride - PVF²) as supplied by the Fluoropolymer Paint Manufacturers and coated by licensed Applicator.

Application of the PVF² based on kynar 500 cannot be field applied. The coating shall be applied onto aluminium substrate already suitably pre-treated and dried as specified above.


 

The Fluorocarbon coating (3 coat system) consist of an inhibitive primer with a dry film thickness averaging 5 to 7 microns and a top coat (colour coat) with a minimum dry film thickness of 25 microns and a clear coat of Kynar 500 with a minimum dry film thickness of 10 to 20 microns.
 

The total minimum dry film thickness of the

 fluorocarbon coating shall be 40 microns.


 

The Fluorocarbon coating system shall meet or exceed the performance requirements of the AAMA 605.2 ¡°Specification for High Performance Organic Coating on Architectural Extrusions and Panels¡±.