Pretrattamento
If the surface finish of the MDF ex-works does not meet the quality requiremens of the end product, the surface has to be sanded. This will ensure that the material has an evenly smooth surface and is free of any contaminants, minor scratches, dust, grease, etc. For more information, see IGP-TI 111.
Impianti di verniciatura
All conventional electrostatic systems with corona charging.
For the construction and operation of powder coating plants, the following regulations must be complied with: ATEX RL 2014/34/EU, EN 50177, DIN EN 16985.
Spessore del film consigliato
100 μm - 140 μm
A homogeneous coating result with textured coatings or article-and color specific differences in hiding power may require higher coating thicknesses. The corresponding processing guidelines must be observed.
For a pre-calculation of the required powder coating quantity, the necessary coating thickness must be determined for each article.
Condizioni di cottura
| Toggetto | t min | t max |
|---|
| 125 °C | 5 minutes | 9 minutes |
| 130 °C | 3 minutes | 7 minutes |
| 140 °C | 2 minutes | 5 minutes |
Per accertare le condizioni di cottura migliori si consiglia, in ogni caso, di effettuare prove pratiche con il rispettivo oggetto e forno di polimerizzazione.
Recupero
Small portions of recycled powder can be added, automatically if possible, to the fresh powder. Important: Keep overspray to an absolute minimum.
