The PVDF coating aluminum extrusion produced by FONNOV ALUMINIUM is mainly used in windows, louvers, curtain wall claddings, ect. PVDF coating finish is very suitable for application in areas that exposed to external weather. It can assure the aluminum framework retain their colour and gloss after long time exposure.
PVDF is one of several Fluorocarbon resins. PVDF stands for polyvinylidene fluoride. Polyvinylidene fluoride coating based on a minimum of 70% Kynar500â or Hylar5000â resin complying with AAMA 2605 or GB/T5237.5 specifications. It is a resin used in architectural coatings that has super weathering characteristics.
Many kinds of colors and finishes can be chosen for PVDF coating.
▹PVDF Coating Process
2-coat system comprising of primer and solid or pearlescent color according to architect’s choice. Coating shall be applied on a pre-treated aluminum substrate and oven baked to a dry film thickness of 30 microns minimum. Alternately in a 3-coat system comprising of primer, color coat and clear lacquer, to a dry film thickness of 40 microns minimum.
✣COATING THICKNESS ON EXPOSED SURFACE
|COATING SYSTEM||AVERAGE THICKNESS/um||MIN. LOCAL THICKNESS/um|
|Hardness||Adhesive Force||Impact Resistance|
|≥ 1H||0 grade||no rupture or shedding of coating|
|Salt Spray Corrosion Resistance||Wet & Hot Weather Resistance|
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