PVDF or polyvinylidene fluoride coatings are based on a mixture of polyvinylidene fluoride and acrylic resins.
Its self-cleaning properties and low frictional coefficient makes A-PVDF (polyvinylidene fluoride) a top performance coating that can be applied on panelling for outdoor applications.
This makes it the top performance paintwork for the building sector, offering great flexibility, extremely good resistance to chalking, and gloss and colour fastness.
| TEST | VALUE | REFERENCE STANDARD |
| Thickness | 22 - 40* | EN 13523-1 (ECCA T1) |
| Gloss | ** | EN 13523-2 (ECCA T2) |
| Pencil hardness | HB - H | EN 13523-4 (ECCA T4) |
| Adhesion on impact | 100% | EN 13523-5 (ECCA T5) |
| Adhesion on forming | 100% | EN 13523-6 (ECCA T6) |
| T.B. Adherence at 25° C | 0T - 1T*** | EN 13523-7 (ECCA T7) |
| T.B. Cracking at 25° C | 0T - 2T*** | EN 13523-7 (ECCA T7) |
| MEK | > 100 | EN 13523-11 (ECCA T11) |
| GLOSS LEVEL | INTERVAL | PERMISSIBLE VARIATION |
| 1 (opaque) | 0 - 20 | +/- 5 units |
| 2 (semi-opaque or semi-opaque) | 21 - 40 | +/-7 units |
TREATMENT
2 degreasings + chrome-free passivation
TOP SURFACE
PRIMER FOR PVDF: 4 - 5 microns
TOP COAT PVDF: 18 - 22 microns
or
PRIMER PVDF: 10 microns
BASE COAT PVDF: 15 microns
TOP COAT PVDF:
transparent 12 microns
BACK SURFACE
BACK COAT: foamable 4 - 6 microns
or
BACK COAT:
matching colour 12 - 14 microns
Coating used: compliant with RoHS directive
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