Hammer Powder Coating
Polyester Powders
10th July 2020 – Hammer Finish Coatings
Stylish, robust
durable
Hammer polyester coatings are designed for interior or exterior use. It delivers outstanding, durable and protective finish, excellent gloss retention with a metallic look.
Eco friendly
TGIC-free
Thermaset’s polyester hammer coatings are TGIC free and are considered non-toxic and do not present a health risk to the consumer and environment. Compliant with requirements for the agricultural and construction equipment.
Application
areas
Aluminium and steel coating, outdoor and garden furniture, fences, panelling, gates, industrial equipment, doors and windows frames, radiators. Excellent yellowing resistance.
Hammer Powders
Thermaset Limited produces a range of polyester hammer powder coatings designed for both interior and exterior use. These hammer finish powder coatings are specially formulated on selected polyester resins and pigments to give a tough decorative finish with excellent outdoor durability.
Hammer Powder Coating
Polyester Powder Coatings
Mechanical Tests
Flexibility (cylindrical mandrel) | ISO 1519 | Pass minimum 5mm |
Impact | ISO 6272-2 | Pass minimum 2.5Nm |
Erichsen cupping | ISO 1520 | Pass minimum 5mm |
Adhesion (2mm cross hatch) | ISO 2409 | Pass Gt 0 |
Scratch Resistance | ISO 1518-1 | Pass 4 Kg |
Chemical Tests
Constant Humidity | ISO 6270 | Pass 1000 hours |
Boiling Water | 2 hours | No defects or detachments |
Neutral Salt Fog | ISO 9227 | Pass 1000 hours |
Sulphur Dioxide | ISO 3231 | After 24 cycles, infiltration < 1mm from scratch |
Mortar Resistance | EN 12206-1 | Easy to remove, no staining |
Test Conditions:
Unless otherwise specified, all tests have been carried out under laboratory conditions on 0.8mm aluminium chromated 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 120 – 130 microns was used.

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Specification of Powders
Polyester Hammer Powder Coating
Thermosetting polyester with a non-TGIC curing agent
Available from stock in a range of RAL colours
1.3 to 1.7 depending on colour
1.2 to 1.8 depending on colour.
Suitable for electrostatic spray
See box label for recommended curing conditions. Typical values are:
10 minutes @ 180°C peak metal temperature
12 months when stored in cool (below 25o C) dry conditions. Open boxes must be resealed.
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More Details
Polyester Hammer Powder Coating
For maximum adhesion the substrate must be thoroughly cleaned of grease, rust etc. by shot blasting, solvent or chemical degreasing. For maximum protection it is essential to pretreat the substrate prior to the application of Thermaset Limited Polyester Hammer Powder Coating.
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.
Can be applied by manual or automatic electrostatic spray equipment, an even dry film thickness of 120 – 140 microns is recommended.
Generally good resistance to acids, alkalis and oil at normal temperatures.
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 Polyester Hammer Powder Coating 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). This product contains 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).
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Technical Sheets
Polyester Hammer Powder Coating
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