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Weather-resistant polyester · thermosetting powder coating

P480 Series Weather-Resistant Polyester Powder Coating

P480 series is a weather-resistant polyester powder coating for outdoor electrical equipment, architectural hardware and outdoor metal components with basic exposure requirements. Tested to 480 h neutral salt spray (ISO 9227), 240 h humidity (ISO 6270-1) and 500 h xenon-arc weathering (ISO 16474-2). Flexibility ≤ 2 mm (ISO 1519). Cure 190–200 °C object temperature, 10–15 min.

Cure 190–200 °C PMT 10–15 minFilm 80–120 µmSpray 40–100 kV
P480 series powder coating colour panels

Key features

480 hNeutral salt sprayISO 9227
240 hHumidity resistanceISO 6270-1
500 hXenon-arc weatheringISO 16474-2

Technical data

Coating properties measured on cured films under the conditions stated in the WANAN P480 series technical data sheet. Every value is tied to its test method.

P480 series — coating performance
PropertyResultTest method
Gloss, 60°As agreedISO 2813
Impact (direct)50 kg·cmISO 6272-2
Flexibility (mandrel bend)≤ 2 mmISO 1519
Cross-cut adhesionClass 0ISO 2409
Pencil hardness≥ HISO 15184
Humidity resistance240 hISO 6270-1
Neutral salt spray480 hISO 9227
Accelerated weathering (xenon-arc)500 hISO 16474-2
Test panels: 70 × 150 × 0.6–0.8 mm phosphated steel; 0.2–0.3 mm panels for flexibility, impact and cupping. Panels cured under conditions agreed with the customer and conditioned 24 h before testing. Xenon-arc weathering per ISO 16474-2 method 1: irradiance 0.51 W/m² at 340 nm, black-standard temperature 65 ± 2 °C, RH 40–60 %, spray cycle 18/102 min. Values apply only to the test methods and conditions stated; they are not a warranty of service life.
Powder properties
Resin chemistryWeather-resistant polyester resin with matched hardener
Specific gravity1.2–1.7 g/cm³ (depends on colour)
AppearanceFree-flowing powder
ColoursFull colour range including metallic shades
VOCEssentially no VOC emission during application; RoHS-tested (SGS)

Application parameters

Application methodElectrostatic spray, 40–100 kV
Cure schedule190–200 °C (374–392 °F) for 10–15 minObject (metal) surface temperature, not oven set-point
Film thickness80–120 µm recommended; 80–180 µm working range
AppearanceFree-flowing powder
Packaging25 kg carton, non-hazardous for transport
StorageCool, dry, below 35 °C (low-temperature-cure grades below 25 °C)
Shelf life6 months

Cure temperature is the object surface temperature. Oven set-points must be adjusted to the part mass, line speed and oven type so that the metal itself reaches 190–200 °C for 10–15 minutes. Pretreatment must meet the agreed specification; film thickness and application method influence colour, gloss and appearance, and laboratory panels differ from production parts, so gun settings are finalised on the customer's line.

Where P480 series is used

P480 is the entry point of WANAN's weather-resistant polyester range. Polyester chemistry keeps colour and gloss under sunlight far better than epoxy, so P480 is chosen for outdoor hardware, fencing, garden and street furniture, outdoor equipment housings and exterior parts of agricultural and construction machinery where the exposure is moderate and the specification calls for a single decorative-protective coat. Where humidity, salt or UV loads are higher, step up to P720 or P1680.

Typical applications

Compliance & quality system

WANAN powder coatings are produced under quality, environmental and occupational-health management systems certified to ISO 9001:2015, ISO 14001:2015 and ISO 45001:2018, and the design and manufacturing of thermosetting powder coatings is certified to IATF 16949:2016. Batch testing is carried out in WANAN's in-house laboratory, accredited by CNAS (L15415) to ISO/IEC 17025:2017.

SGS reports (2026) on WANAN powder coating samples show compliance with RoHS Directive (EU) 2015/863, REACH SVHC candidate list screening at ≤ 0.1 % (w/w), soluble heavy metals, and California Proposition 65 limits for lead, cadmium and phthalates. Results apply to the tested samples; see certifications & compliance for report numbers and scopes.

Colours & finishes

Full colour range including metallic shades. RAL K7 shades, custom colour matching from a sample panel, and gloss levels agreed per project (measured at 60°, ISO 2813). WANAN maintains a library of roughly 100,000 formulated sample panels, which shortens matching time for repeat and near-match colours. See colours & finishes.

Packaging, storage & supply

  • 25 kg cartons; non-hazardous for road, sea and air transport.
  • Store in a cool, dry place below 35 °C; 6-month shelf life from date of manufacture.
  • Produced across 7 production bases in China and Southeast Asia with a group capacity of about 80,000 t/year.
  • Minimum order quantity, lead time and Incoterms are confirmed per project on request.

Frequently asked questions

How do I choose between P480, P720 and P1680?

All three are weather-resistant polyesters with the same cure window. They differ in tested durability: P480 gives 480 h salt spray, 240 h humidity and 500 h xenon-arc; P720 gives 720 h, 480 h and 1000 h; P1680 gives 1000 h, 720 h and 1000 h. Match the series to the service environment and the customer specification, then confirm on trial panels.

Is P480 available in metallic colours?

Yes. The P480 TDS lists metallic shades among the available colours. Metallic and bonded-metallic powders need the same 190–200 °C object-temperature cure, but application settings, film build and reclaim ratio affect the final effect, so WANAN supplies colour panels for approval and recommends a line trial before production.

Is P480 a QUALICOAT-certified product?

P480 is specified by the test values in its own TDS. WANAN holds QUALICOAT approvals P-1436 (Class 1) and P-1982 (Class 2) for the powder systems named on those certificates. For architectural projects that require a QUALICOAT label, ask WANAN for the approved system and its certificate rather than relying on the P480 designation.

Downloads

Performance data are valid only for the test methods, panels and cure conditions stated. They do not constitute a service-life warranty. Combined primer/topcoat systems must be qualified as a system.

Talk to our technical team

Send the substrate, service environment and your current cure window. We reply with candidate series, TDS and sample options.