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PPG SigmaDur 1800 is a two-component, high solids polymeric urethane with excellent resistance to atmospheric exposure conditions that cures down to –5°C (23°F), that can be recoated even after long atmospheric exposure.
- Available in 2,600+ colours, inc. RAL, BS, NCS & the new NCS 2050 colours
- Outstanding colour and gloss retention
- Non-chalking, non-yellowing
- Tough and abrasion resistant
- Resistant to splash of mineral and vegetable oils, paraffins, aliphatic petroleum products and mild chemicals
Product customisation
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PPG SigmaDur 1800, a two-component, high solids polymeric urethane with excellent resistance to atmospheric exposure conditions that cures down to –5°C (23°F). Resistant to splash of mineral and vegetable oils, paraffins, aliphatic petroleum products and mild chemicals, the coating is tough and abrasion resistant, non-chalking, non-yellowing, and can be recoated even after long atmospheric exposure.
Features & Benefits
- Available in 500+ colours
- Excellent resistance to atmospheric exposure conditions
- Outstanding colour and gloss retention
- Non-chalking, non-yellowing
- Cures down to –5°C (23°F)
- Tough and abrasion resistant
- Resistant to splash of mineral and vegetable oils, paraffins, aliphatic petroleum products and mild chemicals
- Can be recoated even after long atmospheric exposure
Product Data
Two-component, high solids polymeric urethane
| Data for mixed product at 20°C (68°F) | |
|---|---|
| Number of components | Two |
| Mass density | 1.3 kg/l (10.8 lb/US gal) |
| Volume solids | 68 ± 2% |
| VOC (Supplied) | Directive 1999/13/EC, SED: max. 226.0 g/kg |
| UK PG 6/23(92) Appendix 3: max. 289.0 g/l (approx. 2.4 lb/US gal) | |
| Recommended dry film thickness | 75 µm (3.0 mils) |
| Theoretical spreading rate | 9.1 m²/l for 75 µm (364 ft²/US gal for 3.0 mils) |
| Dry to touch | 2 hours |
| Overcoating Interval | Minimum: 12 hours |
| Maximum: Unlimited | |
| Full cure after | 7 days |
| Shelf life | Base: at least 36 months when stored cool and dry |
| Hardener: at least 24 months when stored cool and dry | |
Notes:
- See below for more information on surface preparation, application details and curing times
Surface Preparation
Recommended Substrate Conditions and Temperatures
Substrate conditions
- Previous coat (epoxy or polyurethane) must be dry and free from any contamination
- Surface of previous coat should be sufficiently roughened if necessary
Substrate Temperature & Application Conditions
- Substrate temperature during application and curing should be at least 3°C (5°F) above dew point
- Relative humidity during application and curing should not exceed 85%
Application
Instructions for Use
Mixing ratio by volume: base to hardener 83:17
- The temperature of the mixed base and hardener should preferably be above 15°C (59°F), otherwise extra thinner may be required to obtain application viscosity
- Thinner should be added after mixing the components
- Adding too much thinner results in reduced sag resistance
Induction Time
None.
Pot life
- 5 hours at 20°C (68°F)
Refer below for more information
Air spray
Recommended thinner
Volume of thinner
- 5 - 10%, depending on required thickness and application conditions
Nozzle orifice
- 1.0 - 1.5 mm (approx. 0.040 - 0.060 in)
Nozzle pressure
- 0.3 - 0.4 MPa (approx. 3 - 4 bar; 44 - 58 p.s.i.)
Airless spray
Recommended thinner
- THINNER 21-06
Volume of thinner
- 3 - 5%, depending on required thickness and application conditions
Nozzle orifice
- Approx. 0.38 – 0.43 mm (0.015 – 0.017 in)
Nozzle pressure
- 18.0 MPa (approx. 180 bar; 2611 p.s.i.)
Brush/roller
Recommended thinner
- THINNER 21-06
Volume of thinner
- 0 – 5%
Cleaning Solvent
Spreading Rate and Film Thickness
| DFT | Theoretical spreading rate |
|---|---|
| 75 µm (3.0 mils) | 9.1 m²/l (364 ft²/US gal) |
| 100 µm (4.0 mils) | 6.8 m²/l (273 ft²/US gal) |
| 125 µm (5.0 mils) | 5.4 m²/l (218 ft²/US gal) |
Overcoating interval for DFT up to 75 µm (3.0 mils)
| Overcoating with... | Interval | -5°C (23°F) | 0°C (32°F) | 10°C (50°F) | 20°C (68°F) | 30°C (86°F) | 40°C (104°F) |
|---|---|---|---|---|---|---|---|
| Itself | Minimum | 3 days | 48 hours | 24 hours | 12 hours | 8 hours | 5 hours |
| Maximum | Unlimited | Unlimited | Unlimited | Unlimited | Unlimited | Unlimited |
Note:
- Maximum interval is only unlimited when the surface is free from any contamination
Curing time for DFT up to 75 µm (3.0 mils)
| Substrate temperature | Dry to touch | Full cure |
|---|---|---|
| -5°C (23°F) | 8 hours | 22 days |
| 0°C (32°F) | 5 hours | 18 days |
| 10°C (50°F) | 3 hours | 10 days |
| 20°C (68°F) | 2 hours | 7 days |
| 30°C (86°F) | 1 hour | 4 days |
| 40°C (104°F) | 30 minutes | 3 days |
Notes:
- Adequate ventilation must be maintained during application and curing (please refer to INFORMATION SHEETS
- Safe Working in Confined Spaces (1433) and Directives for Ventilation Practice (1434)
- Should condensation on the surface occur during, or soon after application, this could result in gloss reduction
Pot Life (at application viscosity)
| Mixed product temperature | Pot life |
|---|---|
| 10°C (50°F) | 7 hours |
| 20°C (68°F) | 5 hours |
| 30°C (86°F) | 4 hours |
| 40°C (104°F) | 3 hours |
Safety Precautions
- For paint and recommended thinners, see information sheets information sheet 1430, information sheet 1431 and the relevant Material Safety Data Sheets in the attachments section above
- This is a solvent-borne paint and care should be taken to avoid inhalation of spray mist or vapour, as well as contact between the wet paint and exposed skin or eyes
- Contains a toxic polyisocyanate curing agent
- Avoid at all times inhalation of aerosol spray mist
References
- Conversion Tables (information sheet 1410)
- Explanation to product data sheets (information sheet 1411)
- Safety Indicators (information sheet 1430)
- Safety in Confined Space and Health Safety, Explosion Hazard - Toxic Hazard (information sheet 1431)
- Safe Working in Confined Spaces (information sheet 1433)
- Directives for Ventilation Practice (information sheet 1434)
- Cleaning of Steel and Removal of Rust (information sheet 1490)
- Relative humidity - Substrate Temperature - Air Temperature (information sheet 1650)
Product Details
3980-857846
Data sheet
- Manufacturer
- PPG
- For Use By
- Professional Use
- Water / Solvent Based
- Solvent
- For Use On
- Metal
- Application Method
- Brush, Roller, Spray
- Sheen
- Gloss
- Colour
- Fully Tintable
- Single, Two or Three Pack
- Two-Pack
- Pack Size
- 4L, 20L
- Parts
- 2
- Base Type
- Solvent
- Solvent
- Polymeric urethane
- Mixing Ratio
- 83:17
- Suitable Substrates
- Metal
- Key Features
- Excellent resistance to atmospheric exposure conditions; Can be recoated even after long atmospheric exposure
- Touch Dry (at 20°C)
- 2 hours
- Dry to Handle (at 20°C)
- -
- Dry to Recoat (at 20°C)
- 12 hours
- Fully Cured (at 20°C)
- 7 days
- Pot Life (at 20°C)
- 5 hours
- Coverage
- 9.1 m²/l for 75 µm (364 ft²/US gal for 3.0 mils)
- Recommended Thinner/Cleaner
- THINNER 21-06/THINNER 90-53
- Unit Contents
- Hardener and base
- Compatible Primers
- -
- Compatible Topcoats
- -
- Max. Application Temperature
- -
- Min. Application Temperature
- 15°C (59°F)
- Density
- 1.3 kg/l (10.8 lb/US gal)
- Solids by Volume
- 68 ± 2%
- Heat Resistance (up-to)
- -
- VOC
- Directive 1999/13/EC, SED: max. 226.0 g/kg UK PG 6/23(92) Appendix 3: max. 289.0 g/l (approx. 2.4 lb/US gal)
- Shelf Life (from date of manufacture)
- Base: 36 months; Hardener: 24 months
- UN Number (Activator)
- UN1263
- UN Number (Base)
- UN1263
- Base Type
- Solvent-Based
- Suitable For Use On
- Metal
- Suitable For Use On
- Primed Surfaces
- Finish
- Gloss
- Application Method
- Brush
- Application Method
- Roller
- Application Method
- Spray
- Usages
- High Solids
- Usages
- Abrasion Resistant
- Usages
- Atmospheric
- Usages
- Tough/Durable
- Usages
- Gloss Retention
- Usages
- Colour Retention
- Product Usage Type
- Topcoat
- Product Range
- SigmaDur
- Colour Family
- Grey
- Colour Family
- Green
- Colour Family
- Blue
- Colour Family
- Red
- Colour Family
- Brown
- Colour Family
- Pink
- Colour Family
- Orange
- Colour Family
- Purple
- Colour Family
- Yellow
- Colour Family
- Black
- Colour Family
- White
- Colour Family
- Neutral
- Colour Family
- Anthracite Grey
- Colour Family
- Cream
- Categorised As
- Metal Paints > Low Temperature Topcoats
- Seasonal
- Cold Weather
- Product Type
- Nitrocellulose
- Environment
- Low Temperature
- Environment
- Atmospheric
- Touch Dry/Dust Free (@ 20-25°C)
- 2 hours
- Product Attributes
- High Build
- Product Attributes
- Gloss Retention
- Product Attributes
- Colour Retention
- Resistance to
- Abrasion
Questions
Question about the product
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IMPORTANT SHIPPING & DELIVERY INFORMATION
PPG SigmaDur 1800 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