Durable polyester powder coatings

Product details

Product Description

MT Autobody powder coating is a series of durable polyester powder coatings designed for application onto automotive components. It has been designed to display excellent protective properties including corrosion, humidity, chip resistance, acid spotting and resistance to weathering over suitably pre-treated substrates.

Powder Properties

Chemical type	TGIC-free Polyester
Particle size	Suitable for electrostatic spray
Specific gravity	1.2 – 1.7 depending on colours
Storage	Dry cool conditions (below 30°C)
Shelf Life	12 months
Stoving Schedule	10 mins at 200°C

Mechanical Tests

Flexibility	(Bend Test) AS1580 402.1	Pass 3mm
Adhesion	(2mm Crosshatch) AS1580 408.4	Classification 1 maximum
Erichsen Cupping	BS3900-E4	Pass > 3mm
Pencil Hardness	AS1580 405.1	1F – minimum
Reverse Impact	AS3715 Section 2.5.8	Pass <=20InP

Pre-treatment

For optimum coating performance the following pre-treatment is recommended prior to the application of MT Autobody. The pre-treatment should be used in accordance with the supplier’s recommendations.

A. Aluminium: Multistage chrome chromate or chrome phosphate.

B. Galvanised Steel: Multistage zinc phosphate or chromate.

C. Steel: Grit blast to SA 2.5. 20-40µm blast profile, followed by multistage zinc or iron phosphate.

Application

MT Autobody powder coatings can be applied by manual or automatic electrostatic spray equipment. Unused or over-sprayed powder coating can be reclaimed and recycled through the coating system.