PPG Thinner 90-53
This thinner has been developed by PPG Protective and Marine Coatings for use with selected paint products.More Information Delivery Info
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PPG Sigma EP 111 Primer, a two-component general-purpose epoxy primer or buildcoat in protective coating systems, for steel and concrete structures in atmospheric exposure. The high solids polyamide cured recoatable zinc phosphate epoxy primer can be recoated with various two-component and conventional coatings, even after long weathering periods.
- Approved Network Rail RT 98 and registered as Highway Agency item 111
- Free from lead- and chromate-containing pigments
- Excellent rust preventing properties in industrial or coastal atmospheres
- Tough with long term flexibility
- Easy application, both by airless spray and brush, with excellent adhesion to steel and concrete
- VOC compliant
- 4 hours pot life (at 20°C (68°F))
- Cures at temperatures down to -5°C (23°F); Touch dry after 4 hours; recoat after 8 hours - refer below for more application and drying information
Description
PPG Sigma EP 111 Primer is a general-purpose epoxy primer or buildcoat in protective coating systems, for steel and concrete structures in atmospheric exposure. The two-component, high solids polyamide cured recoatable zinc phosphate epoxy primer can be recoated with various two-component and conventional coatings, even after long weathering periods, and is approved Network Rail RT 98 and registered as Highway Agency item 111.
Features & Benefits
- General-purpose epoxy primer or buildcoat in protective coating systems, for steel and concrete structures in atmospheric exposure
- Can be recoated with various two-component and conventional coatings, even after long weathering periods
- Free from lead- and chromate-containing pigments
- Excellent rust preventing properties in industrial or coastal atmospheres
- Tough with long term flexibility
- Cures at temperatures down to -5°C (23°F)
- Excellent adhesion to steel
- Easy application, both by airless spray and brush
- VOC compliant
- Registered as Highway Agency item 111
- Approved Network Rail RT 98
- 4 hours pot life (at 20°C (68°F))
| Reference | Colour | Gloss Level |
|---|---|---|
| 251061 | Cream | Eggshell |
Product Data
| Data for mixed product at 20°C (68°F) | |
|---|---|
| Number of components | Two |
| Mass density | 1.4 kg/l (11.7 lb/US gal) |
| Volume solids | 68 ± 2% |
| VOC (Supplied) | UK PG 6/23(92) Appendix 3: max. 214.0 g/l (approx. 1.8 lb/US gal) |
| Recommended dry film thickness | 75 - 150 µm (3.0 - 6.0 mils) depending on system |
| Theoretical spreading rate | 6.8 m²/l for 100 µm (273 ft²/US gal for 4.0 mils) |
| Dry to touch | 4 hours |
| Overcoating Interval | Minimum: 8 hours |
| Maximum: 6 months | |
| Full cure after | 4 days |
| Shelf life | Base: at least 12 months when stored cool and dry |
| Hardener: at least 12 months when stored cool and dry | |
Surface Preparation
Recommended Substrate Conditions and Temperatures
Substrate conditions
- Steel; blast cleaned to ISO-Sa2½
Substrate Temperature & Application Conditions
- Substrate temperature during application and curing down to -5°C (23°F) is acceptable; provided the substrate is free from ice and dry
- 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 80:20 (4:1)
- 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
- Adding too much thinner results in reduced sag resistance and slower cure
- Thinner should be added after mixing the components
Air spray
Recommended thinner
Volume of thinner
- 0 - 10%, depending on required thickness and application conditions
Nozzle orifice
- 1.5 – 3.0 mm (approx. 0.060 – 0.110 in)
Nozzle pressure
- 0.3 - 0.4 MPa (approx. 3 - 4 bar; 44 - 58 p.s.i.)
Airless Spray
Recommended thinner
Volume of thinner
- 0 - 5%, depending on required thickness and application conditions
Nozzle orifice
- Approx. 0.48 mm (0.019 in)
Nozzle pressure
- 15.0 MPa (approx. 150 bar; 2176 p.s.i.)
Brush/roller
- Only for touch-up and repair
Recommended thinner
- PPG Thinner 91-92
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) |
| 150 µm (6.0 mils) | 4.5 m²/l (182 ft²/US gal) |
Overcoating interval for DFT up to 100 µm (4.0 mils)
| Overcoating with... | Interval | -5°C (23°F) | 5°C (41°F) | 10°C (50°F) | 20°C (68°F) | 30°C (86°F) | 40°C (104°F) |
|---|---|---|---|---|---|---|---|
| Itself | Minimum | 48 hours | 20 hours | 16 hours | 8 hours | 6 hours | 4 hours |
| Maximum | 6 months | 6 months | 6 months | 6 months | 6 months | 6 months |
Notes:
- For polyurethane paints the minimum overcoating time should be raised with 100%
Curing time for DFT up to 100 µm (4.0 mils)
| Substrate temperature | Dry to handle | Full cure |
|---|---|---|
| -5°C (23°F) | 24 hours - 48 hours | 14 days |
| 0°C (32°F) | 24 hours - 30 hours | 10 days |
| 5°C (41°F) | 18 hours - 24 hours | 8 days |
| 10°C (50°F) | 18 hours | 6 days |
| 15°C (59°F) | 12 hours | 5 days |
| 20°C (68°F) | 8 hours | 4 days |
| 30°C (86°F) | 6 hours | 3 days |
| 40°C (104°F) | 4 hours | 48 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 vapor, as well as contact between the wet paint and exposed skin or eyes
References
- 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)
Product Details
3984-527005
Data sheet
- Manufacturer
- PPG
- For Use By
- Professional Use
- Water / Solvent Based
- Solvent
- For Use On
- Steel, Concrete
- Application Method
- Spray, Brush, Roller
- Sheen
- Eggshell
- Colour
- Standard / Ready Mixed
- Single, Two or Three Pack
- Two-Pack
- Pack Size
- 20L
- Solvent
- Polyamide cured recoatable zinc phosphate epoxy
- Mixing Ratio
- 4:1
- Key Features
- For steel and concrete structures in atmospheric exposure; can be recoated with various two-component and conventional coatings, even after long weathering periods
- Touch Dry (at 20°C)
- 4 hours
- Dry to Handle (at 20°C)
- -
- Dry to Recoat (at 20°C)
- 8 hours
- Fully Cured (at 20°C)
- 4 days
- Pot Life (at 20°C)
- 4 hours (at 20°C (68°F))
- Coverage
- 6.8 m²/l for 100 µm (273 ft²/US gal for 4.0 mils)
- Recommended Thinner/Cleaner
- 91-92 (thinning) - 90-53 (cleaning)
- Unit Contents
- Base & hardener
- Compatible Primers
- -
- Min. Application Temperature
- (-5°C)
- Density
- 1.4 kg/l (11.7 lb/US gal)
- Solids by Volume
- 68 ± 2%
- Heat Resistance (up-to)
- -
- VOC
- Max. 214.0 g/l (approx. 1.8 lb/US gal)
- Shelf Life (from date of manufacture)
- Base & hardener - at least 12 months when stored cool and dry
- UN Number
- UN3469, UN1263
- Base Type
- Epoxy
- Base Type
- Solvent-Based
- Suitable For Use On
- Steel
- Suitable For Use On
- Concrete
- Finish
- Eggshell
- Application Method
- Roller
- Application Method
- Brush
- Application Method
- Spray
- Usages
- Zinc Phosphate
- Usages
- High Solids
- Usages
- Low Temperature
- Usages
- Anti-Corrosive
- Usages
- Flexible
- Usages
- Atmospheric
- Product Usage Type
- Primer
- Product Range
- Sigma EP
- Colour Family
- Cream
- Dry to Recoat (@ 20-25°C)
- 8 hours
- Categorised As
- Metal Paints > Low Temperature Primers
- Seasonal
- Cold Weather
- Industry Approved System
- Network Rail
- Industry Approved System
- Highways
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IMPORTANT SHIPPING & DELIVERY INFORMATION
PPG Sigma EP 111 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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