
Eco friendly
TGIC-free
Architectural Pearlescent Matt polyester powder coating is formulated to be TGIC-free and meet requirements for constructions, equipment and automotive industry.
Pearlescent
and tough
Superb
Quality
Pearlescent
and tough
Excellent UV and weather resistance. Great gloss and colour retention. Specially formulated on selected polyester resins an light-fast pigments to assure superb, tough architectural grade finish.
Metallic
appearance
Finishes intended for:
- Mild Steel
- Galvanized Steel
- Aluminium
Pearlescent Powders
Thermaset Limited offer a range of polyester powder coatings designed for both interior and exterior use.
This range is specially formulated on selected polyester resins and pigments to give a tough decorative finish with excellent outdoor durability, designed for use on architectural applications such as buildings, window frames, fascia and fencing.

Mechanical Tests
Flexibility (cylindrical mandrel)
ISO 1519
Pass minimum 5mm
Buchholz Hardness
ISO 2815
Pass minimum 80
Impact
ISO 6272-2
Pass minimum 2.5Nm
Erichsen cupping
ISO 1520
Pass minimum 5mm
Adhesion (2mm cross hatch)
ISO 2409
Pass Gt 0
Architectural Polyester Matt Pearlescent Powder Coatings
Chemical Tests
Constant Humidity
ISO 6270
Pass 1000 hours without any effect
Boiling Water
2 hours
No defects or detachments
Acetic Acid Salt Spray
ISO 9227
After 1000 hours/10cm scratch: Total corrosion < 16mm2, Maximum length < 4mm
Sulphur Dioxide
2 hours
After 24 cycles: infiltration < 1mm from scratch
Mortar Resistance
EN 12206-1
Easy to remove, no staining
Architectural Polyester Matt Pearlescent Powder Coatings
Weathering Tests
Accelerated Weathering
ISO 11341
After 1000 hours, gloss retention > 50%
Natural Weathering (Florida)
ISO 2810
After 12 months exposure, gloss retention > 50%
Architectural Polyester Matt Pearlescent Powder Coatings
Test Conditions:
Unless otherwise specified, all tests have been carried out under laboratory conditions on 0.8mm aluminium panels and are given for guidance only. Actual product performance will depend on the circumstances under which the product is used. A powder coating dry film thickness of 60 - 70 microns was used.
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Specification of Powders
Architectural Polyester Pearlescent Powder Coatings
Type:
Thermosetting polyester with a non-TGIC curing agent
Colours:
Available from stock in a range of RAL colours
Gloss Levels:
Matt approximately 30%
Specific Gravity:
1.2 - 1.8 depending on colour
Particle Size:
Suitable for electrostatic spray
Stoving Schedule:
See box label for recommended curing conditions. Typical values are:
- 10 minutes @ 200°C peak metal temperature
Storage & Shelf Life:
24 months when stored in cool (below 25o C) dry conditions. Open boxes must be resealed.
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Properties of Powders
Architectural Polyester Pearlescent Powder Coatings
For maximum protection it is essential to pretreat architectural components prior to the application of Thermaset Limited Architectural Polyester Matt Pearlescent Powder Coatings.
Aluminium
Aluminium components should receive a full multi-stage chromate conversion coating or similar chrome-free pretreatment to clean and prepare the substrate. Detailed advice should be sought from the pretreatment supplier.
Galvanized steel
Galvanized steel requires multi-stage pretreatment with either zinc phosphate or chromate conversion. Depending on the type of galvanizing, degassing or use of anti-bubbling additives may be required. Detailed advice should be sought from the pretreatment supplier.
Ferrous substrates
Ferrous substrates require iron or zinc phosphate pretreatment. Detailed advice should be sought from the pretreatment supplier.
Thermaset Limited Architectural Polyester Matt Pearlescent Powder Coatings can be applied by manual or automatic electrostatic spray equipment, an even dry film thickness of 60 - 70 microns is recommended. Only one batch and one spray run should be used for components that will be visible simultaneously after assembly.
Generally good resistance to acids, alkalis and oil at normal temperatures.
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More Details
Architectural Polyester Pearlescent Powder Coatings
This product is intended for use only by professional applicators in industrial environments. Consult the relevant Material Safety Data Sheet available from Thermaset.
Our data sheets and sales literature are issued for the purpose of supplying product information. The information in this data sheet is not intended to be exhaustive and is based on the present state of our knowledge and on current laws: any person using the product for any purpose other than that specifically recommended in the technical data sheet without first obtaining written confirmation from us as to the suitability of the product for the intended purpose does so at his own risk. It is always the responsibility of the user to take all necessary steps to fulfil the demands set out in the local rules and legislation. Always read the Material Safety Data Sheet and the Technical Data Sheet for the product if available. All advice we give or any statement made about the product by us (whether in this data sheet or otherwise) is correct to the best of our knowledge but we have no control over the quality or condition of the substrate or the many factors affecting the use and application of the product. Therefore, unless we specifically agree in writing, we do not accept any liability whatsoever for the performance of the product or for any loss or damage arising out of the use of the product. All products supplied and technical advices given are subject to our standard terms and conditions of sale. You should request a copy of this document and review it carefully. The information contained in this data sheet is subject to modification from time to time in the light of experience and our policy of continuous improvement. It is the user’s responsibility to verify that this data sheet is current prior to using the product.
Thermaset Limited Architectural Polyester Matt Pearlescent Powder Coatings range is suitable for use on items covered by Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment Regulations 2012 (Directive 11/65/EU, ROHS 2). Products in the range contain none (or less than the maximum allowed amount) of the following restricted chemicals: Lead, Mercury, Cadmium, Hexavalent Chromium or their compounds, Poly-brominated biphenyl (PBB) or Poly-brominated diphenyl ether (PDBE) flame retardants, Bis(2-ethylhexyl) phthalate (DEHP), Benzyl butyl phthalate (BBP), Dibutyl phthalate (DBP), Diisobutyl phthalate (DIBP)