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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