KEY STRENGTHS
1 – CE marking on the product in accordance with European standard EN 14195 (determination of yield strength in accordance with standard EN 10002-1) and EN 13964 (mechanical bending strength of ceiling products).
2 – Use of steel with a zinc-magnesium surface coating offering high corrosion resistance (on average four times greater than the standard for equivalent coverage), achieved through specialised production processes involving the addition of magnesium.
3 – Self-healing properties of the steel in areas where cuts and screw holes are made.
4 – Pronounced longitudinal stiffening ribs (to improve mechanical strength).
5 – Knurling on the fixing surfaces (to facilitate screw penetration).
6 – Product range with thicknesses of 0.6, 0.8 and 1 mm.
500-hour salt spray test on exposed edges (zinc-standard)
500-hour salt spray test on exposed zinc-magnesium edges
Comparison of products and their resistance to salt spray
product
hours of exposure to salt spray required to achieve red rust
coating thickness
g/m² | μm
absolute resistance
in hours/μm
of coating
scratch hardness of the coating in HV
standard zinc
Z 140 | 10
180
18
70
zinc-magnesium
Z 120 | 8
720
90
140 – 170
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