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2-pack polyurethane high-gloss finish in 6,700+ colours, for coating machinery, agricultural and construction equipment, and many other industrial painting applications where a very durable finish is required.
- High solids and a low VOC
- For solid colours and single-layer metallic finishes
- High gloss finish (>90%) with excellent durability and UV stability
- Compatible with Selemix Epoxy and Polyurethane primers, giving a durable and hard wearing paint system
- Available in over 6,700+ RAL, RAL Metallic*, BS, NCS and Selemix TIC colours
- *Note: RAL Pearl colours shown are approximations only - matches will not be exact
- Product can be purchased as a Two Component Pack, or as Base or Hardener only
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/
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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 7-550 2K Polyurethane UHS Topcoat is a 2-pack Polyurethane finish for solid colours and single-layer metallic finishes. It has high solids and a low VOC.
It is compatible with Selemix Epoxy and Polyurethane primers, giving a durable and hard wearing paint system. It has a high gloss finish (>90%) with excellent durability and UV stability.
Application by conventional spray.
Suitable for the coating of machinery, agricultural and construction equipment, and many other industrial painting applications where a very durable, high gloss finish is required with a low VOC.
For Professional Use Only.
Quick Links - Click To Jump To Section:
- Features & Benefits
- Surface Preparation
- Mixing
- Application Notes
- Theoretical Coverage
- Drying Times
- Health & Safety
Features & Benefits
- 2-pack Polyurethane finish for solid colours and single-layer metallic finishes
- High solids and a low VOC
- High gloss finish (>90%) with excellent durability and UV stability
- Compatible with Selemix Epoxy and Polyurethane primers, giving a durable and hard wearing paint system
- Suitable for the coating of machinery, agricultural and construction equipment, and many other industrial painting applications where a very durable, high gloss finish is required
- Available in over 6,700+ RAL, RAL Metallic*, BS, NCS and Selemix TIC colours
- *Note: RAL Pearl colours shown are approximations only - matches will not be exact
- Product can be purchased as a Two Component Pack, or as Base or Hardener only
- For Professional 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.
Painted Surfaces/Polyurethane or Polyester Fillers:
- Machine sand with P320-400 discs and degrease
Selemix Epoxy Primers or PU Primers:
- Refer to Primer TDS for recoat time
Mixing
- Thoroughly mix paint before activating and check colour before use
| Features | Conventional Spray |
|---|---|
|
By Weight: 7-550 Topcoat 9-075 Hardener |
1000 400 100-200 |
|
By Volume: 7-550 Topcoat 9-075 Hardener |
2.5 1 0.1-0.5 (5-20%) |
| Viscosity (at 20°C): | 23-25 secs DIN4 |
| Pot Life (at 20°C): | 2 hours |
Mixing Ratio:
- Selemix 7-550 2K Polyurethane UHS Topcoat
- 2.5 parts base : 1 part hardener
Please Note: Refer to the Product Data Sheet for detailed information regarding mixing ratios for the relevant binder/base and hardener/activator used.
Application Notes
| Features | Conventional Spray |
|---|---|
| Spraygun Setup: |
Nozzle: Gravity: 1.3-1.4mm Suction: 1.6-1.8mm Pressure feed: 0.85-1.2mm |
| Air Pressure: |
HVLP: 2 Bar Standard: 2-3 Bar |
| Fluid Pressure: | N/A |
| Number of coats: | 2 |
| Flash-off between coats: | 10-15 mins |
| Drying: | Air dry or bake at 60°C for 45 mins |
| Flash-off before bake: | 20 mins |
| Wet Film Thickness: | 100-140 microns |
| Dry Film Thickness: | 50-70 microns |
Please see the Product Data Sheet for detailed Application Instructions before use.
Theoretical Coverage
- 8.6-10 m²/L at 50 microns DFT
Note: Please see the Product Data Sheet for detailed information.
Drying Times
| Drying Times 20°C | |
|---|---|
| Dust Free | 10-15 mins |
| Touch Free | 1-2 hours |
| Tape Free | 10-12 hours |
| Handleable | 4-6 hours |
| Hard Dry | 10-12 hours or after bake |
| Overcoating time |
Minimum: 16 hours Maximum: 24 hours by itself without sanding |
| Please Note: Lower temperature or film thickness higher than 70µm 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 PROFESSIONAL USE ONLY
Product Details
8991-938717
Data sheet
- Manufacturer
- Selemix
- For Use By
- Professional Use
- Water / Solvent Based
- Solvent Based
- For Use On
- Painted Surfaces
Primed Surfaces - Sheen
- High Gloss
- Single, Two or Three Pack
- Two-Pack
- Mixing Ratio
- 2.5 to 1
- Application
- Spray
- Touch Dry (at 20°C)
- 2 hours
- Pot Life (at 20°C)
- 2 hours
- Recommended Dry Film Thickness
- 50-70 microns
- Recommended Wet Film Thickness
- 100-140 microns
- UN Number (Activator)
- UN1263
- UN Number (Base)
- UN1263
- Hard Dry
- 10-12 hours or after bake
- Dust Dry (at 20°C)
- 10-15 minutes
- Colour(s)
- Fully Tintable
- Base Type
- Solvent-Based
- Suitable For Use On
- Primed Surfaces
- Finish
- High Gloss
- Substrate
- Painted / Primed Metal
- Usages
- High Solids
- Usages
- UV Resistant
- Usages
- Tough/Durable
- Usages
- High UV Resistance
- Usages
- Low VOC
- Usages
- Atmospheric
- Usages
- Force Dry Compatible
- Usages
- High Chemical Resistance
- Product Usage Type
- Topcoat
- Technologies
- Solventborne
- Technologies
- 2K
- Application Methods
- Conventional
- Application Methods
- Electrostatic
- Product Type
- Polyurethane
- Environment
- Atmospheric
- Touch Dry/Dust Free (@ 20-25°C)
- 2 hours
- Drying Properties
- Force Dry Compatible
- Product Attributes
- Tough / Durable
- Resistance to
- UV
Be the first to ask a question about this product!
IMPORTANT SHIPPING & DELIVERY INFORMATION
Selemix 7-550 2K Polyurethane UHS Topcoat 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
*All estimates are based on theoretical consumption rates for a single coat and do not take into account any substrate deviations or wastage
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