Fluoropolymer (FEVE or PVF3) Powder Coatings MT-D3020
Product description
MT-D3020 is a series of hyperdurable powder coatings designed to meet the most demanding architectural specification requirements in the world. MT-D3020 is also designed to provide excellent cosmetic and functional protection whilst exploiting the recognized benefits of powder coatings complying with Qualicoat Class 3 and AAMA2605 and EN12206 specifications.
Powder properties
| Typical value | |
| Chemical Type | Fluoropolymer |
| Appearance | Smooth Matt |
| Density | 1.2 – 1.7 g/cm³, depending on colour |
| Gloss (60°) | 15 – 30 GU |
| Particle size distribution | Suitable for electrostatic spray. |
| Shelf life | 18 months below 25 °C |
| Storage Conditions | Under dry, cool (≤ 25°C) conditions (open boxes must be resealed) |
| Curing schedule | 20 – 35 min at 190°C
15 – 25 min at 200°C 10- 15 min at 210°C (object temperature) |
Pre-treatment
Aluminium components should receive a full multi-stage chromate conversion coating or suitable chrome-free pre-treatment or suitable pre-anodising to clean and condition the substrate. Detailed advice should be sought from the pre-treatment supplier. For maximum protection it is essential to pre-treat components prior to the application of themin accordance with the MT-D Approved Applicator Manual.
Application
Powders can be applied by manual or automatic electrostatic spray equipment. All powders can show small color differences from batch to batch, this is normal and unavoidable. Bonded products have better application properties than blended products (more stable) but attention should still be paid to line settings in order to avoid “marble effect”and changes in aspect after recycling. Products with different codes should not be mixed even if same colour and gloss. Applicators and fabricators are advised to use a single batch for parts that will be assembled together. Differences are more likely with special effect powders. For more information, it is suggested to read the Metallic Applications Guidelines.
Test conditions
The results are based on mechanical and chemical tests which (unless otherwise indicated) have been carried out under laboratory conditions and are given for guidance only Testing has been determined under laboratory conditions using the following application properties and is for guidance only.
| Pre-treatment | Chrome free Qualicoat/GSB approved pretreatment |
| Substrate | Aluminum (0.5-0.8 mm Al Mg1) |
| Curing schedule | 20 min at 200°C (object temperature) |
| Film Thickness | 50 – 80µm, ISO 2360 |
Mechanical tests
| Typical value | Method/standard | |
| Adhesion | Class 0 | ISO 2409 (2 mm Crosshatch |
| Erichsen cupping | Pass Qualicoat class 3 requirements | ISO 1520 |
| Flexibility | Pass Qualicoat class 3 requirements | ISO 1519 |
| Impact resistance | Pass Qualicoat class 3 requirements | ISO 6272-2 (d/r) |
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