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Aluminum Extrusion Powder Coating

WA:+86 132 6275 2056

WEB: std-coatings.com

Product Overview

Aluminum Extrusion Powder Coatingis a thermosetting polyester powder coating system mainly composed of saturated polyester resin and a TGIC curing agent. You can use this coating specifically for aluminum extrusion profiles where consistent appearance, mechanical strength, and outdoor durability are required. It provides stable decorative performance combined with reliable weather resistance, making it suitable for architectural and industrial aluminum applications.

Application

Architectural aluminum extrusion profiles

Window and door frames

Curtain wall systems and aluminum panels

Railings, handrails, and façade components

Industrial aluminum frames and structural profiles

Standards

(1) ISO 2409 – Paints and varnishes: Cross-cut adhesion test

(2) ISO 1519 – Paints and varnishes: Bend test (cylindrical mandrel)

(3) ISO 6272 – Paints and varnishes: Rapid deformation (impact resistance)

(4) ISO 1520 – Paints and varnishes: Cupping test

(5) ISO 9227 – Corrosion tests in artificial atmospheres (salt spray)

(6) ISO 6270 – Paints and varnishes: Resistance to humidity

(7) ASTM G154 – Standard practice for operating UV fluorescent apparatus for exposure of nonmetallic materials

(8) Qualicoat Class 1 – Architectural aluminum powder coating requirements (applicable to selected products)

Parameters

Performance ItemTest StandardTechnical Specification
Pencil Hardness GB/T 6739 ≥H
Adhesion GB/T 9286 Grade 0
Bending GB/T 6742 03 mm
Impact GB/T 1732 50 kg·cm
Cupping GB/T 9753 ≥6 mm
Salt Spray Resistance GB/T 1771 1000 h: slight rust, blistering, peeling area ≤3 mm²
Damp Heat Resistance GB/T 1740 1000 h: slight gloss loss, discoloration
Accelerated Weathering Test ASTM G154 / 500UV 0.78 W/m² @ 340 nm 500 h Slight gloss loss, discoloration

Features

You achieve uniform surface appearance on aluminum extrusion profiles

You benefit from excellent decorative properties with stable gloss and color

You obtain good mechanical strength suitable for handling and installation

You gain high weather resistance for long-term outdoor exposure

You can select gloss, semi-gloss, or matte finishes based on architectural design needs

You have access to standard, weather-resistant, chemical-resistant, textured, heavy-duty, and masterbatch color series

Selected products meet Qualicoat Class 1 requirements for architectural aluminum use


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