Ripple Powder Coatings - Thermaset

Ripple (Leatherette) Powder Coatings

Ideal to hide,

Ideal to hide,

Ideal to hide,

Thermaset ripple powders are the ideal finish if the metalwork presented is not even and uniform. Our coatings enable to hide weld spots and defects on the substrate without the need for further costly processes.

Eco friendly

Our polyester ripple 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.

Variety of

With an attractive finish, this style of powder coating has many decorative uses from shop fittings to garage doors and office equipment. With a very tactile feel, it is a finish of product gaining more popularity throughout the market.

Ripple (Leatherette) Powders

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.

Ripple Powder Coating

Polyester Powder Coatings

Mechanical Tests

Flexibility (cylindrical mandrel)

ISO 1519

Pass minimum 5mm

Buchholz Hardness

ISO 2815

Pass minimum 80


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

Polyester Ripple Powder Coatings

Chemical Tests

Constant Humidity

ISO 6270

Pass 1000 hours

Boiling Water

2 hours

No defects or detachments

Salt Spray Resistance


Pass 1000 hours

Sulphur Dioxide

ISO 3231

After 24 cycles, infiltration < 1mm from scratch

Mortar Resistance

EN 12206-1

Easy to remove, no staining

Polyester Ripple Powder Coatings

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 110 - 120 microns was used.


Specification of Powders

Polyester Ripple Powder Coatings


Thermosetting polyester with a non-TGIC curing agent.


Can be matched to customer supplied samples or to many of the RAL and BS colour ranges.

Gloss Levels:

Visual only.

Specific Gravity:

1.2 to 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 @ 180°C peak metal temperature.

Can be applied by manual or automatic electrostatic spray equipment. An even dry film thickness of 110 - 120 microns is recommended.

Exterior Durability:

After 12 months exposure, minimal loss of gloss or colour change. No film breakdown or loss of protection.

Chemical Resistance:

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

Storage & Shelf Life:

12 months when stored in cool (below 25o C) dry conditions. Open boxes must be resealed.


More Details

Polyester Ripple Powder Coatings

Substrate Preparation

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 Ripple (Leatherette) Powder Coatings.


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.


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.

Restrictions of Hazardous Substances (RoHS2)

Thermaset Limited Polyester Ripple (Leatherette) 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.


Technical Sheets

Polyester Ripple Powder Coatings

Polyester Ripple
Ripple (Leatherette)
Powder Coating

Technical Data Sheet