Selemix 7-512 2 Pack Polyurethane Extra Topcoat

UN1263 (Class: 3, Pk Grp: III)
Provides a high gloss and very high level of chemical and atmospheric resistance in harsh environments up to C5-M & C5-I High.
Available in 5 and 20 Litres. Tintable to most BS 4800, NCS, and RAL Colours
From £129.48 £107.90
In stock
Only %1 left
Product Description

Selemix 7-512 Polyurethane Extra 2k Topcoat will provide a gloss and very high level of chemical and atmospheric resistance, making it ideal for protecting steel in harsh environments up to C5-M & C5-I High.

Please note, the Hardener is not included with this product. Compatible Hardeners are Selemix Direct 9-065 Hardener or Selemix Direct 9-080 Hardener.

Selemix 7-512 Polyurethane Extra Topcoat will provide a gloss finish with excellent opacity. Selemix 7-512 is also available in a large range of colours and can be tinted to most RAL, BS & NCS colour codes. Selemix 7-512 has been formulated with both polyurethane and enamel and has a high resistance to both chemical and atmospheric attack, when used as part of Selemix paint system it can provide protection in the harshest of environments such as C5M-High & C5I-High.

When used as topcoat as part of a Selemix paint system, Selemix 7-512 is ideal for application onto steel, black steel, phosphate steel, galvanised steel, fibre glass reinforced polyester, light alloys, steel structures, light industrial, equipment, agricultural equipment, trailers, tractors, harvesters, ploughs, plant equipment, excavators, earthmovers, dumpers, screed pumps, power barrows, steel doors, garage doors roller shutters, cars, trucks, workshop equipment, machine tools, lathes, milling machines, drill presses, control panels plus many more.

Please note, different gloss levels can be achieved through blending Selemix 2 pack Polyurethane Extra Topcoat 7-512 Gloss and Selemix 2 pack Polyurethane Extra Topcoat 7-511 Matt. Please see the Matting Chart for further information.

Best Uses

Selemix 7-512 is best used as topcoat over either a 2 pack Selemix PU or epoxy primer when a gloss finish with a high resistance to chemical attack and harsh atmospheric conditions is required. Using as part of an applicable Selemix paint system, Selemix 7-512 is perfect for protecting agricultural equipment, trailers, tractors, ploughs, harvesters, plant equipment, excavators, diggers, dumpers, screed pumps, power barrows, steel, galvanised steel, stainless steel, phosphate steel, black steel, light alloys, previously coated steel, machine tools, lathes, milling machines, drill presses, guillotines, workshop equipment, welfare cabins, airport ground support equipment, electrical cabinets plus many more.


Selemix 7-512 Polyurethane Extra Topcoat is best applied by either conventional or airless spray equipment. When applied at a 50 micron dry film thickness it has theoretical coverage rate of 7.5-8.5 m2 per litre. For best results it is recommended 2 coats are applied.

Before application, Selemix 7-512 will need to be combined with Selemix Hardener 9-065 or 9-080 at a general ratio of 4 to 1.

Selemix 7-512 will also require thinning down with Selemix Thinners 1-208 or 1-420. Always consult the manufactures technical datasheet prior for applicable mix ratio prior to use.

Technical Details

Compatible Thinners

Compatible Hardeners

Before application, Selemix 7-512 will need to be combined with one of the below at a general ratio of 4 to 1:

Features and Benefits

  • High opacity
  • Medium resistance to chemical attack
  • Good UV resistance
  • Ideal for C5-I and C5-M high rated environments

Technical Info

Components: Two Component
Type: Solvent Based
Finish: High Gloss
Stock Colours: 00-A-05, RAL 7004, RAL 7035, RAL 7011
Tintable: Yes. Please note, bespoke tints are non refundable / exchangeable
VOC Content: 521-554 g/L
Volume Solids: 39-43 %
Suitable Substrates: Steel
Application Method: Airless Spray, Conventional Spray, Electrostatic Spray
Theoretical Coverage: 7.8-8.5 m2/L
Wet Film Thickness (WFT): 120µm
Dry Film Thickness (DFT): 50µm
Induction Time: -
Pot Life: 1.5 hours at 20°C
Dust Free: 10-15 minutes at 20°C
Touch Dry: 1-1.5 hours at 20°C
Overcoatable: When hard dried - maximum 24 hours at 20°C
Hard Dry: 10-12 hours at 20°C or after bake
Cleaner / Thinner:
Shelf Life: See tin for shelf life and storage information
Packaging: Available in 5 and 20 Litres


Binder Matting Ratios

Product Matt Semi-Matt Semi-Gloss Gloss
Matt PU Binder 7-511 800 600 500 -
Gloss PU Binder 7-512 - 100 200 700
Selemix NPXX Tinting Bases 200 300 300 300
Gloss Level (60°)        
Air Dried 5-10% 15-20% 50-55% >90%
Oven Dried 15-20% 25-30% 55-60% >90%
Refer to TDS no: 536 575 573 537

The manufacturers data sheets are available for download from this website. It is your responsibility to read and understand all aspects of the data sheets before you place an order and prior to application. Please pay special attention to the preparation, mixing and application temperatures of the product, cleaning of substrate and environmental factors such as temperature, rain etc. Quoted coverage rates are based on the manufacturers theoretical rates and may vary depending upon substrates absorption, texture and application. We always recommend a test is carried out to ensure suitability.

Customer further agrees that Promain have no liability for any errors or omissions contained within the Product Data Sheets and are not liable for failure due to misapplication or inadequate substrate cleaning and preparation. For more information please refer to our Terms & Conditions.

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