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Fax:+86-21-6420 0566

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Powder Coating

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Architectural aluminum powder coating MT-D34

Email:services@moutainchem.com

Specifications:

Product details

Product Description

MT-D34 is a series of durable powder coatings specially formulated for the use on architectural aluminum which conforms to the performance requirements of GB5237.4 specification. MT- D34 is designed to offer significantly high gloss retention and resistance to color change combined with maximum film integrity to ensure long term cosmetic and functional protection. MT-D34 powder coatings are available in a selected range of colors including pearlescent effects in gloss, satin and matte finishes. Fine and coarse textured are also available.

Powder Properties

Chemical TypePolyester
AppearanceSmooth
Particle SizeSuitable for electrostatic spray
Specific Gravity1.3 – 1.7 g/cm³
Gloss45 – 55% (depending on color)
StorageDry, cool conditions (open boxes must be resealed)
Shelf Life12 months below 25°C peak temperature 6 months below 30°C peak temperature
Stoving Conditions

(at object temperature)

10 minutes at 200°C Failure to observe the curing conditions may cause differences in color, gloss, and/or the deterioration of the coating properties.

Mechanical Tests

AdhesionGB/T 9286Pass Gt0
Erichsen cuppingGB/T 9753Pass, 5 mm no crack or detachment of film
Impact resistanceGB/T 20624.2Pass, 50 InP Reverse, deformation no crack
Bend TestGB/T 6742Pass, 3 mm no crack

Pre-treatment

For maximum protection it is essential to pretreat components prior to the application of MT- D34. Aluminium components should receive the following pre-treatment in accordance of supplier’s recommendation.

Substrate

Aluminum – Multi-stage chrome chromate or chrome phosphate Galvanised.

Steel – Multi-stage zinc phosphate or chromate.

Steel – Multi-stage zinc or iron phosphate.

Application

MT-D34 powders can be applied by manual or automatic electrostatic spray equipment. It is recommended that for consistent application and appearance product be fluidized during application. Unused powder can be reclaimed using suitable equipment and recycled through the coating system.

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