Surface Finish Options Overview
Product Description
MT-800 is a series of high durability powder coatings designed for exterior exposure. Tested against the most severe specifications MT-800 gives significantly improved gloss retention and resistance to colour change. MT-800 powders are available in a wide range of colours and gloss levels and can be custom matched to the user’ s requirements.
Powder properties
| Typical value | |
| Chemical Type | Polyester TGIC |
| Particle Size | Suitable for electrostatic spray |
| Specific gravity | 1.2-1.7 g/cm³ depending on colour |
| Storage | Dry cool conditions below 25°C |
| Shelf life | 12 months |
| Stoving schedule (object temperature) | 15 minutes at 190°C 10 minutes at 200°C 8 minutes at 210°C |
Test Conditions
The results shown below 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.
| Pre-treatment | Chromate conversion |
| Substrate | Aluminium |
| Stoving Schedule (object temperature) | 10 minutes at 200°C |
| Film Thickness | 60 microns |
Mechanical Tests
| Adhesion (2mm Crosshatch) | ISO2409 | Gt 0 |
| Erichsen cupping | ISO1520 | Depends on shade |
| Hardness (4000gms) | BS6496 | Depends on shade |
| Flexibility (Conical Mandrel) | ISO6860 | Depends on shade |
