Coated Aluminium Coil for Raffstores and Blind

When producing lacquer-coated strip for raffstores and Venetian blind, Signi Coat combines the right alloy with the coating system ideally suited to outdoor applications. In this way, we easily meet the exacting requirements with regard to weather ability and durability. Our coated Aluminium strip for raffstores and and Venetian blind is not only resistant to corrosion and abrasion but is also colourfast. It is an optically attractive product with a perfect surface finish.

When selecting the most suitable product, a chromatic pre-treatment with one-coat lacquering or an anodised, chrome-free pre-treatment comprising two-coat lacquering are on offer. Both sides can be coated in different colours in a single operation. It is also possible to apply a foam-like cellular coating on one side only.

The following standard specifications are for raffstroes:
Alloy EN AW-3005 (AlMn1Mg0.5) in accordance with DIN EN 573
EN AW-3105 (AlMn0,5Mg0.5) in accordance with DIN EN 573
Chemical composition In accordance DIN EN 573-3
Thickness 0.38 – 0.45 mm Tolerances
+/- 0.020 mm
Width > 30 – 150 mm Tolerances
0/+ 0.2 mm mm on widths up to 100 mm
0/+ 0.3 mm mm on widths up to 150 mm
Inside diameter 305/405、505 mm
Outside diameter 1.800 mm and smaller
Temper H 48 in accordance with EN 1396 Tensile strength (Rm) Proof strength (Rp0.2) Elongation (A50 mm)
Alloy 3005 > 210 MPa > 180 MPa > 2%
Alloy 3105 200 – 245 MPa > 195 MPa > 4%

The following standard specifications are for Venetian blind:
Alloy EN AW-5052 H19 in accordance with DIN EN 485-2
Chemical composition In accordance with DIN EN 573-3
Temper H19 (DIN EN 515)
Configuration Mill finish or chromated or degreased – re-oiled
Thickness 0.138 – 0.22 mm
Width 12.5 – 90 mm
Inside diameter 300 mm
Outside diameter 980 – 1,800 mm
Mechanical characteristics Tensile strength (Rm) Proof strength (Rp0.2) Elongation (A50 mm)
> 370 MPa > 340 MPa > 3%

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