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Selemix 2K Polyurethane Direct Primer |  High Build Metal Primer

Selemix 4-0500 2K Polyurethane Direct Primer

SEL8843

High build 2K polyurethane primer used in conjunction with Selemix 2K Acrylic and PU topcoats for a system suitable for the finishing and protection of machinery, agricultural and construction equipment, and many other industrial painting applications.

  • Gives good corrosion resistance and can be used on Steel, Cast Iron, Light Alloys, Aluminium, Painted Surfaces and Fibre-Reinforced Plastic
  • This product MUST be purchased/used in conjunction with its manufacturer specified base or activator/hardener - Available as a Base or Hardener separately only
  • Please ensure to refer to the Product Data Sheet for mixing ratios or please contact our Technical Department on 0113 2455450 (option 2) or [email protected]

Professional use only - from the 24th August 2023, adequate training is required before industrial or professional use of this product.

Should you require training, visit - https://www.safeusediisocyanates.eu/

Product Type
Colour
Size
Finish
£244.01(incl. VAT)
£203.34(ex. VAT)
Quantity
Please choose your colour
Available for Delivery (See Delivery Options Below)

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Description

Professional use only - from the 24th August 2023, adequate training is required before industrial or professional use of this product.

Should you require training, visit - https://www.safeusediisocyanates.eu/

Selemix 2K Polyurethane Direct Primer is a high build 2K polyurethane primer which may be used in a wet on wet system.

It uses the same Hardeners and Thinners as Selemix 2K Acrylic and PU topcoats, giving a simple and compact system that is suitable for the finishing and protection of machinery, agricultural and construction equipment, and many other industrial painting applications.

Suitable for use on Steel, Cast Iron, Light Alloys, Aluminium, Previously Painted Surfaces and Fibre-Reinforced Plastic.

This product MUST be purchased/used in conjunction with its manufacturer specified base or activator/hardener. This product can be purchased as a Base or Hardener separately only - please see the drop down menu above.

Please ensure to refer to the Product Data Sheet for mixing ratios or please contact our Technical Department on 0113 2455450 (option 2) or send a message to [email protected] for details.

For Industrial Use Only.



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Features & Benefits


  • High build 2K polyurethane primer
  • Uses the same Hardeners and Thinners as Selemix 2K Acrylic and Polyurethane topcoats
  • Suitable for use on Steel, Cast Iron, Light Alloys, Aluminium, Previously Painted Surfaces and Fibre-Reinforced Plastic
  • This product MUST be purchased/used in conjunction with its manufacturer specified base or activator/hardener - Available as a Base or Hardener separately only
  • Please ensure to refer to the Product Data Sheet for mixing ratios or please contact our Technical Department on 0113 2455450 (option 2) or [email protected]
  • For Industrial Use Only



Surface Preparation


Apply only on a clean and dry surface with a temperature above the dew point to avoid condensation. In confined spaces, provide adequate ventilation during application and drying.

Steel (Blast Cleaned):

  • Blast clean to ISO 8501-1 SA 2.5 with a blast profile of maximum 40 µm Rz

Steel/Cast Iron:

  • Machine sand with P80-120 discs and degrease

Galvanised Steel:

  • Abrade with Scotchbrite and degrease

Light Alloys and Aluminium:

  • Machine sand with P280-320 discs and degrease

Painted Surfaces:

  • Machine sand with P240-320 discs and degrease

Fibre Reinforced Plastic:

  • Machine sand with P240 discs and degrease



Mixing


  • Thoroughly mix paint before activating and check colour before use



Features (Standard System) Conventional Spray Airless Spray

By Weight:

4-050x Primer

9-060 / 9-065 Hardener

Listed Thinner

By Weight:

1000

130

130-150

By Weight:

1000

130

100-150

By Volume:

4-050x Primer

9-060 / 9-065 Hardener

Listed Thinner

By Volume:

5

1

0.65-0.75 (13-15%)

By Volume:

5

1

0.5-0.75 (10-15%)

Features (9-080 Hardener) Conventional Spray Airless Spray

By Weight:

4-050x Primer

9-080 Hardener

Listed Thinner

By Weight:

1000

160

80-120

By Weight:

1000

160

0-80

By Volume:

4-050x Primer

9-080 Hardener

Listed Thinner

By Volume:

4

1

0.5-0.8 (13-20%)

By Volume:

4

1

0-0.5 (0-13%)

Features (9-070 Hardener) Conventional Spray Airless Spray

By Weight:

4-050x Primer

9-070 Hardener

Listed Thinner

By Weight:

1000

140

110-130

By Weight:

1000

140

100-130

By Volume:

4-050x Primer

9-060 / 9-065 Hardener

Listed Thinner

By Volume:

5

1

0.65-0.75 (13-15%)

By Volume:

5

1

0.5-0.75 (10-15%)

Features (With Any Hardener) Conventional Spray Airless Spray
Viscosity (at 20°C): 20-35 secs DIN4 35-45 secs DIN4
Pot Life (at 20°C): 3 hours 3 hours



Please Note: Refer to the Product Data Sheet for detailed information regarding mixing ratios for the relevant base and hardener/activator used.



Application Notes


Features Conventional Spray Airless Spray
Spraygun Setup:

Nozzle:

Gravity: 1.6-1.8mm

Suction: 1.8-2.0mm

Pressure feed: 1.2-1.4mm

Nozzle:

11-13-15 thou

0.28-0.33-0.38 mm

Air Pressure:

Standard: 2-3 Bar

2.5-3 Bar
Fluid Pressure: N/A 70-100 Bar
Number of coats: 2 1-2
Flash-off between coats: 10-15 min 5-10 min
Drying: Bake at 60°C for 30-45 mins Bake at 60°C for 30-45 mins
Flash-off before bake: 10-15 min 10-15 min
Wet Film Thickness: 175-250 microns (90-150 microns per coat)  150-250 microns (75-125 microns per coat)
Dry Film Thickness: 70-100 microns 70-120 microns



Please see the Product Data Sheet for detailed Application Instructions before use.



Theoretical Coverage


  • 5.7-6.6 m² per litre at 70 microns DFT

Note: Please see the Product Data Sheet for detailed information.



Drying Times


Drying Times 20°C
Dust Free 20-30 min
Touch Free 1 hour
Handleable 2-3 hours
Sandable After 4-6 hours
Hard Dry 24 hours
Stoving 30-45 minutes @60°C (according to film thickness and hardener selection) 
Overcoating time

Minimum: 2 hours (according to film thickness and hardener selection)

Maximum: 72 hours without sanding on clean surface with any 2K Selemix Topcoat, or Selemix Basecoat

Please Note: Lower temperature or film thickness higher than 120µm will extend drying times





Health & Safety


  • For comprehensive Health, Safety and Environmental advice, please refer to the relevant Material Safety Data Sheets and product can labels
  • THIS PRODUCT IS FOR INDUSTRIAL USE ONLY

Product Details
8843-933157

Data sheet

Manufacturer
Selemix
For Use By
Industrial Use
Water / Solvent Based
Solvent Based
For Use On
Steel
Cast Iron
Light Alloy
Aluminium
Painted Surfaces
Fibre Reinforced Plastic
Sheen
Matt
Single, Two or Three Pack
Two-Pack
Mixing Ratio
See Product Data Sheet
Application
Spray
Airless Spray
Pot Life (at 20°C)
3 Hours
UN Number (Activator)
UN1263
UN Number (Base)
UN1263
Hard Dry
24 Hours
Dust Dry (at 20°C)
20-30 mins
Colour(s)
Standard Colours
Base Type
Solvent-Based
Base Type
Polyurethane
Suitable For Use On
Light Alloys
Suitable For Use On
Galvanised Steel
Suitable For Use On
Compatible Existing Coatings
Suitable For Use On
Fibre Reinforced Plastic
Suitable For Use On
Aluminium
Suitable For Use On
Steel
Suitable For Use On
Cast Iron
Substrate
Steel
Substrate
Galvanised Steel
Substrate
Blasted Steel
Substrate
Aluminium
Substrate
Painted / Primed Metal
Substrate
GRP
Substrate
Cast Iron
Substrate
Light Alloys
Usages
Anti-Corrosive
Usages
High Solids
Usages
Low VOC
Usages
High Build
Usages
Atmospheric
Product Usage Type
Primer
Technologies
Solventborne
Technologies
2K
Application Methods
Conventional
Application Methods
Airmix
Application Methods
Electrostatic
Dry to Recoat (@ 20-25°C)
2 hours
Attachments
Download


Customer agrees that before placing an Order, Customer has read and understood the most up to date Product Data Sheet for the Product. Where we have access to the Product Data Sheet from the manufacturer, we will either provide a copy on request, or include a link to the Product Data Sheet available on the manufacturer’s website. Customer further agrees that we have no liability for any errors or omissions contained within the Product Data Sheets. For more information, please see our Terms & Conditions of Sale.

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IMPORTANT SHIPPING & DELIVERY INFORMATION

Selemix 4-0500 2K Polyurethane Direct Primer is only available with the shipping and delivery timescales listed below - please do not contact our Customer Support Team with enquiries about alternative or earlier shipping and delivery times.

Saturdays and Sundays, as well as Bank Holidays, are not classed as working days.

Orders placed after the cut-off for this product will not be processed for earliest dispatch until 9am the next working day.

All delivery costs below are excluding VAT


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