New Product – Granite HDX

Coverworld UK Ltd are pleased to announce the launch of our exciting new product range, Granite HDX, from Arcelor Mittal.

Granite HDX is an optimum pre-painted product, ideally suited for buildings requiring greater corrosion resistance and colour stability, for example; cold and wet environments, coastal regions (less than 20 km from the sea), regions with strong UV radiation, industrial and polluted areas.


Key benefits of the Granite HDX range:

  • Automatic guarantee of up to 30 years (depending on the external environment)
  • Seafront (300 m to 1 km) automatic guarantees are granted for a period of 15 years
  • Aesthetic colour palette and metallic shades with outstanding colour and gloss retention
  • Robust metallic substrate (Z275 or ZA255) for high corrosion resistance and cut-edge protection
  • Grained product for surface hardness and excellent robustness for handling and processing


Coverworld colour range:

  • Anthracite (RAL 7016)
  • Grey Aluminium (RAL 9007)
  • Oyster (RAL 7035)
  • Slate Grey (RAL 7012)
  • White (RAL 9010)
  • White Aluminium (RAL 9006)


Granite HDX Properties:

Nominal paint thickness 55 microns
Gloss (Gardner 60°) 30 GU
Clemen scratch resistance ≥ 3 kg
Surface “pencil” hardness F to H
Adhesion of the coating (T-bend) ≤ 1 T
Resistance to cracking on bending (T-bend) ≤ 1.5 T
Corrosion resistance (salt spray test) 700 hours (ISO 7253) / RC5 category accord
Condensation resistance (QCT test) 1500 hours (ISO 6270)
UV resistance (QUV test) 2000 hours (ISO 4892-3) / RUV4 category according to EN 10169 (the best)
Fire classification A1 in accordance with EN 13501-1


For further product information on any of our ranges, please contact a member of our sales team on 01246 858222