Pre-finished steel Colorcoat® SDP 50 - RWG

Colorcoat® SDP 50 - RWG

Colorcoat® SDP 50 - RWG is a double sided high build product with enhanced scratch and abrasion resistance for rainwater goods applications.

  • Smooth or lightly textured nominal 50 μm coating providing improved scratch and abrasion resistance.
  • Galvanised substrate produced with Z 275 g/m2 or equivalent with a Zinc metallic coating offering very good corrosion resistance.
  • Available in steel forming grades DX52, DX53, DX54 and DX56 to EN 10346:2015
  • Available in popular solid colours all with excellent colour and gloss retention.

Colorcoat® SDP 50 - RWG is carefully manufactured in a controlled process to ensure consistent quality. Colorcoat® SDP 50 - RWG is suitable for downpipes, gutters, brackets and deep drawn accessories.

The durability of Colorcoat® SDP 50 - RWG is derived from the galvanised substrate and the high performance pre-treatment, primer and robust topcoat.

Colorcoat® SDP 50 - RWG is also available in different textures. Tata Steel has a range of Colorcoat® products suitable for different environments and applications.

Properties  Test standard
Nominal organic
coating thickness
μm* 50 EN 13523-1
Specular gloss (60) % 20 - 40 EN 13523-2
Scratch resistance g >3000 EN 13523-12
Abrasion resistance
(Taber, 250 rev,
1kg, CS10 wheels)
mg <30 EN 13523-16
Minimum bend radius
T 0T@16°C EN 13523-7
Resistance to
rapid deformation
J 18 EN 13523-7
Adhesion T 0T EN 13523-7
Corrosion resistance: 
Salt spray
hours 1000 EN 13523-8
Corrosion resistance: 
hours 1500 EN 13523-26
Corrosion resistance
  RC52 EN 10169:2010
UV resistance
  Ruv4 EN 10169:2010
Reaction to fire
  A1 EN 13501-1

*μm = micron

General notes
1. The figures contained in this table are typical properties and do not constitute a specification. These figures relate to the topcoat and solid colours.
2. To meet the corrosion resistance properties above, a Zinc weight of Z 275 g/m2 or equivalent apples.

A warranty is available as an anti-perforation guarantee for up to 15 years. Refer to applicable terms and conditions. Minimum Zinc weight 275 g/m2 or equivalent. The actual duration of the guarantee will depend on the environment and geographic location.

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