Powder coatings for Automotive trim parts MT-A2201/MT-YZ204I
Product Description
MT- A2201 clearcoats can be used for pillars and appliqués, roof racks, grille guards, bumpers, and mirror housings, all require protection from the environment as well as being visually harmonious with the overall design of a vehicle. MT- A2201 clearcoats are super durable (> two years Florida) and answer to the requested performance level specified by the OEMs. The line of MT- A2201 super durable polyester clearcoats (TGIC free) stand ready with excellent appearance and performance.
Powder Properties
| Chemical Type | Polyester super-durable |
| Area of usage | Automotive trim parts,roof rail systems |
| Particle Size Distributon | Custom manufactured |
| Appearance | Smooth, matt |
| Colour | Clear |
| Gloss (60°) | 30-35 GU |
| Density (g/cm3) | 1.20 ± 0.05 |
| Stoving schedule | 20 minutes at 190°C (time at object temperature) |
| Application | Electrostatic |
| Storage Stability | under dry, cool (<25°C) conditions, at least 24 months from production date |
Application
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. Actual product performance will depend upon the circumstances under which the product is used.
| Substrate | Steel panels, Aluminium |
| Pretreatment | Bonder (WH/60/OC) iron phosphate, Bonder (722/W/OF) |
| Film thickness | 70 µm |
| Cure schedule | 20 minutes 190°C |
Mechanical Tests
| Cross Cut Adhesion | DIN EN ISO 2409 | Gt 0A |
| Erichsen Cupping | DIN EN ISO 1520 | ≥ 3 mm |
| Impact | ASTM D 2794 | ≥ 10 ip (direct) |
Pre-treatment
Steel surfaces to be coated must be clean and free from grease. For maximum protection it is essential to pre-treat components prior to the application of the basecoat and MT-A2201 clearcoat. Iron Phosphate and Zinc Phosphate of ferrous metals improve corrosion resistance. Aluminium parts require a chromate conversion or chromate-free pre-treatment.
Application
MT-A2201 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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