MT-300 is a series of polyester resin based thermo-setting powder coatings formulated using TGIC. The pigments used in the MT-300 series restrict the field of application of this powder coatings class to interior uses. MT-300 is designed for interior decoration such as, metal furniture, shop fittings, shelves, light fittings.
| Typisk værdi | |
| Kemisk type | Polyester – TGIC |
| Density | 1.2 – 1.9 g/cm³, afhængigt af farve og effekt |
| Anbefalet filmtykkelse | 60 – 90 µm |
| holdbarhed | 12 måneder under 30 ºC |
| Opbevaringsbetingelser | (open boxes must be resealed) Dry, cool conditions |
| Hærdningsplan | 12-24 minutter ved 180°C 8-16 minutter ved 200°C 4-10 minutter ved 210°C (ved objekttemperatur) |
Galvaniseret stål kræver overfladebehandling enten ved flertrins forbehandling med enten zinkfosfat eller kromatkonvertering eller kontrolleret sandblæsning. Afhængigt af typen af galvanisering kan afgasning eller brug af antibobletilsætningsstoffer være nødvendig – følg forbehandlingsleverandørens proceduremæssige anvisninger. Jernfosfat og især zinkfosfatering af jernholdige metaller forbedrer korrosionsbestandigheden. Aluminiumsubstrater kan kræve en kromatkonverteringsbelægning.
Powders can be applied by manual or automatic electrostatic spray equipment. A good protection is linked with the recommended film thickness. Bonded products have better application properties than blended products (more stable) but attention should still be paid to line settings in order to avoid “marble effect” and changes in aspect after recycling. Different substrates (aluminium, steel, galvanized steel…), use of primer, and big changes in film thickness may give a different aspect. Products with different codes should not be mixed even if same colour and gloss. It is recommended that for consistent application and appearance product be fluidized during application. MT-300 powder coatings can be applied by corona electrostatic or tribostatic equipment. However, the aspect obtained by tribo static equipment may vary when compared to electrostatic application and/or our color card.
Produktets faktiske ydeevne afhænger af de omstændigheder, produktet anvendes under. Testningen er udført under laboratorieforhold ved hjælp af følgende anvendelsesegenskaber og er kun vejledende.
| Forbehandling | Zinkphosphat |
| Substrat | Poleret stål |
| Hærdningsplan | 12 min. ved 200°C (objekttemperatur) |
| Film Tykkelse | 60 – 70 µm |
| Typisk værdi | Metode/standard | |
| Adhæsion | Klasse 0 | ISO 2409 (2 mm krydsskravering) |
| Erichsen cupping | Gennemløb 5 mm | ISO 1520 |
| Fleksibilitet | Gennemløb 5 mm | ISO 1519 |
| Hårdhed | Bestået – ingen indtrængning i underlaget | ISO 1518-1 (2000 g) |
| Slagstyrke | ≥30 kg.cm | ISO 6272-2 (d/r) |
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