PVDF Coating

▹Applications

The PVDF coating aluminum extrusion produced by FONNOV ALUMINIUM is mainly used in windows, louvers, curtain wall claddings, etc. PVDF coating finish is very suitable for application in areas that exposed to external weather. It can assure the aluminum framework retain their color and gloss after long time exposure.

aerofoil sun louver extrusion - fonnov aluminium

▹Advantages

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 have super weathering characteristics.

▹Color Range

Many kinds of colors and finishes can be chosen for PVDF coating.

pvdf coating color - fonnov aluminium

▹PVDF Coating Process

The 2-coat system comprising of primer and solid or pearlescent color according to the architect’s choice. Surface 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.

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▹Properties

COATING THICKNESS ON EXPOSED SURFACE

COATING SYSTEM AVERAGE THICKNESS/um MIN. LOCAL THICKNESS/um
2-COAT ≥30 ≥25
3-COAT ≥40 ≥34
4-COAT ≥65 ≥55

✣MECHANICAL PROPERTIES

Hardness Adhesive Force Impact Resistance
≥ 1H 0 grade no rupture or shedding of coating

✣CHEMICAL PROPERTIES

Salt Spray Corrosion Resistance Wet & Hot Weather Resistance
4000hr 4000hr

Leave message ONLINE or EMAIL at marketing@fonnov.com.cn for your request.

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