Automotive headlamp reflectors powder coating MT-A1270/MT-HZG04R
Product Description
The visual effect achieved from the final headlamp reflector is of the utmost importance and a quality powder primer is the key. The powder coating covers defects in the fabricated part and provides a smooth, corrosion resistant and high reflection finish for the vacuum metallization process. MT-A1270 is an epoxy coating for the application to headlamp reflector casing to provide corrosion protection with a high degree of smoothness in a thin film, prior to the process of metallization under vacuum.
Powder Properties
| Chemical Type | Epoxy |
| Area of usage | Automotive headlamp reflectors |
| Particle Size Distributon | D50 = 26 – 32 µm Sympatec laser
D50 = 30 – 36 µm Malvern laser |
| Appearance | Extremely smooth, high gloss |
| Colour | Clear-brown |
| Gloss (60°) | 100 – 120 GU |
| Density (g/cm3) | 1.10 ± 0.10 |
| Gel time at 200°C | 80 – 95 sec. |
| Post cure conditions | 240°C object temperature, 30 minutes holding time (Variations due to oven conditions can be possible but it must be assured by the applicator that it works in his system) |
| Application | Electrostatic |
| Storage Stability | under dry, cool (<23°C) conditions, at least 6 months from production date |
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. Actual product performance will depend upon the circumstances under which the product is used.
| Substrate | Steel panels |
| Pretreatment | Bonder (WH/60/OC) iron phosphate |
| Film thickness | 40 – 60 µm |
| Cure schedule | 30 minutes 240°C, post cure |
Mechanical Tests
| Adhesion | DIN EN ISO 2409 | Gt 0 |
| Hardness | DIN EN ISO 2818 | ≥ 125 |
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 MT-A1270. Iron Phosphate and Zinc Phosphate of ferrous metals improve corrosion resistance.
Application
MT-A1270 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.
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