NBS Source
Terracotta - Powder Coating

Application

Galvanized steel, architectural aluminium, solar shading, curtain wall, facade, cladding,  perforated and expanded aluminium, windows, trims, fittings.

Description

The Terracotta range uses polyester resin systems to achieve excellent exterior durability, colour and gloss retention for architectural applications. Terracotta finishes can be applied to aluminium, mild steel, galvanized steel and most metal substrates. When used in combination with chrome-free pre-treatment Terracotta finishes achieve a long-lasting and hard-wearing finish.


Features and Benefits:

  • Resistance to boiling water, no blistering and no loss of adhesion.
  • Cylindrical mandrel bending, tested to ISO 1519, 5 mm mandrel, no cracking or detachment.

General information

Finish

Fine texture

Color

Consult manufacturer for options: https://www.powdertechcorby.co.uk/services/colour-library/terracotta.

WarrantyDescription

For c2 and c3 environments: 25 year warranty for gloss, colour and adhesion, for, c4 and c5I; c5M environments: guarantees are conditional on project location, environmental conditions and pre-contract approval.

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Uniclass 2015

Pr_35_31_68_66 Powder coatingsPrimary
Pr_35_31_22_54 Multicoloured coatings
Pr_35_31_22_55 Multicoloured finish spatter coatings

Specification data - Powder coatings Enhanced data

Standard

To BS EN 12206-1 and ISO 13438.

Powder formulation

Durable.

Execution

Application of powder coating.

Gloss level

<10%.

At 60ᵒ (texture).

Film thickness

>60 microns.

Adhesion

Rating 0.

Dry adhesion cross hatch (ISO 2409) Rating 0, no coating detachment, wet adhesion (ISO 2409) after 1 hour pressure cooker rating 0, no detachment.

Sulphur dioxide resistance

24 cycles no infiltration.

Exceeding 1mm from the scribe, no change in colour or blistering in excess of 2(S2) to ISO 4628-2.

Constant humidity resistance

1000 hours.

To ISO 6272-2, <1mm scribe creep. No blistering in excess of 2(S2) to ISO 4628-2.

Impact resistance

No cracking or detachment.

Tested to ISO 6272-2, Reverse Impact test.

Erichsen cupping

No cracking or detachment.

Tested to ISO 1520 minimum 5 mm indent.

Permeability

No blistering or coating detachment.

Scratch resistance

E2 Pass.

 To BS 3900.

Pre-treatment

Aluminium - Titanium-zirconium (TiZr) non-chrome 6-stage pre-treatment, Galvanized steel - silane (oxsilan) non-chrome 8-stage pre-treatment.

Application method

Corona discharge system.

Powder application.

Fire rating (to BS EN 13501)

A2-s1, d0.

Product Reference

Terracotta - Powder Coating

Digital objects

Platform Compatible Version Certified to
IFC
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1

2.1
Revit
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1

2.1
Download now from NBS National BIM Library

Literature

Terracotta data sheet August 2020

Terracotta data sheet August 2020

Case studies

Landscape range includes terracotta finishes and this case study shows how we can customise them.

Landscape range includes terracotta finishes and this case study shows how we can customise them.

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