Powder Coating - Interpon D2525 Stone Effect


Intended for use on architectural aluminium and galvanized steel. Exclusively for UK application only.


These special effect powder coatings demonstrate variations in colour and patination and provide an alternative to concrete, Portland stone, limestone and brickwork.

Features and benefits:

  • Enhanced super durable polyester.
  • Reduces cladding weight.
  • Provides ease of installation and replacement.

General information



Multi-component texture.


Refer to Interpon D2525 Stone Effect colour card for availability of colours and insert requirements.




40 years

 (UK application only).

Uniclass 2015

Pr_35_31_68_66 Powder coatingsPrimary


H10/10 Patent glazing

H10/115 Patent glazing

H11/110 Curtain walling

H11/130 Sun screens

H11/135 Doors

H11/140 Louvres

H11/145 Integrated access equipment

H13/115 Structural glass assembly

H31/110 Metal

H31/120 Metal

H43/120 Metal insulating sandwich panel

H92/120 Rainscreen cladding

H92/130 Major nonstandard components

L10/20 Steel windows

L10/25 Aluminium windows

L10/310 Steel windows

L10/315 Steel windows

L10/33 Proprietary windows

L10/330 Aluminium windows

L10/335 Aluminium windows

L10/400 Composite windows

L10/45 Rooflights

L10/460 Rooflights

L10/550 Glazed metal screens

L10/56 Glazed screen system

L10/650 Metal louvres

L20/280 Doors

L20/370 Door frames

L20/480 Doorsets

L35/410 Aluminium components

L35/420 Carbon steel components

R10/11 Aluminium gutters

R10/30 Aluminium pipework

R10/311 Aluminium gutters

R10/335 Galvanized steel gutters

R10/370 Aluminium pipework

R10/395 Continuously hot dip coated steel pipework - pressed

Z31/120 Powder coating materials

Specification data - Powder coatings Enhanced data


To aluminium: BS EN 12206-1/Qualicoat.

To galvanized steel: BS EN 13438.

Powder formulation

Polyester TGIC free.

As drawing ___.

Product Reference

Powder Coating - Interpon D2525 Stone Effect


Refer to Interpon D2525 Stone Effect colour card for availability of colours and insert requirements.

Accelerated weathering

Gloss retention >50% (QUV B 313, 300 hours).

>90% (BS EN ISO 11341, 1000 hours).

Acetic acid salt spray resistance

<16 mm² corrosion/10 cm.

(1000 hours).


Gt0 (2 mm crosshatch).

Buchholz hardness


Chemical resistance

Generally good resistance to acid, alkalis and oil at normal temperatures.

Colour stability at elevated temperatures


Constant humidity resistance

No blistering, creep <1 m.

 (1000 hours).


3–4 m².

Dry film thickness

60–80 microns.

Erichsen cupping

Pass Qualicoat Class 2 requirements.

Fire classification (EN 13501-1)



Pass Qualicoat Class 2 requirements.

Florida exposure

Compliant with Qualicoat Class 2/GSB Master requirements after 3 years Florida.

Compliant with AAMA 2604 requirements after 5 years Florida.

Gloss level

3–7 gloss units.

Impact resistance

Qualicoat Class 2 requirements.

Mortar resistance

No effect after 24 hours.

Particle size

Suitable for electrostatic spray.

Permeability resistance

Pressure cooker - pass, 1 hour no defects.

Specific gravity

1.2–1.9 g.cm³.

Stoving schedule

15–35 minutes at 180°C, 12–25 minutes at 190°C, 10–20 minutes at 200°C.

Sulphur dioxide resistance

30 cycles.

No blistering, gloss loss or discoloration.

Environmental information

Embodied carbon

3.70 kg CO2-e

Third party certifications

  • European Qualicoat: Certificate: Class 2
  • GSB International: Certificate
  • AAMA: 2604

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