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Automotive headlamp reflectors powder coating MT-A1270

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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