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PPG AquaCover 400 (also known as Sigma Aquacover 400) is a two-component, polyamine-cured, waterborne epoxy coating for steel structures in atmospheric exposure, touch dry in 90 minutes. Also suitable for concrete floors.
- Particularly suitable when solvents are not permitted because of health and safety reasons
- Free from lead- and chromate-containing pigments
- Available in 2,600+ colours, inc. RAL, BS, NCS & the new NCS 2050 colours
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PPG AquaCover 400 (also known as Sigma Aquacover 400) is a two-component, polyamine-cured, waterborne epoxy coating for steel structures in atmospheric exposure. Touch dry in 90 minutes, the coating is free from lead- and chromate-containing pigments, making it particularly suitable when solvents are not permitted because of health and safety reasons. Can be overcoated with most dispersion and alkyd paints, and 2-component durable finishes.
Also suitable for concrete floors.
Top Features & Benefits
- Free from lead- and chromate-containing pigments
- Can be overcoated with most dispersion and alkyd paints, and two-component durable finishes
- Easy application by brush/roller and (airless) spray
- Semi-gloss finish
Product Data
Basic data at 20°C (68°F)
| Data for Mixed Product | |
|---|---|
| Mass density | 1.3 kg/l (10.8 lb/US gal) |
| Volume solids | 53 ± 2% |
| VOC (Supplied) | Directive 1999/13/EC, SED: max. 5.0 g/kg |
| max. 6.0 g/l (approx. 0.1 lb/US gal) | |
| Recommended dry film thickness | 75 - 100 µm (3.0 - 4.0 mils) depending on system |
| Theoretical spreading rate | 7.1 m²/l for 75 µm (283 ft²/US gal for 3.0 mils) |
| 5.3 m²/l for 100 µm (213 ft²/US gal for 4.0 mils) | |
| Overcoating Interval | Minimum: 2 hours |
| Maximum: 6 months | |
| Dry to touch | 90 minutes |
Notes:
- Refer to tables below for information regarding spreading rate and film thickness, overcoating intervals and curing times
Preparation & Application
Recommended Substrate Conditions & Temperatures
Substrate conditions
- Steel with suitable primer must be dry and free from any contamination within the recoat times
- Galvanized surfaces are variable and the preferred method of treatment is to lightly sweep blast followed by degreasing and cleaning
- Concrete; surface must be cured, clean, dry and free of desintegrated or chalky materials
Substrate Temperature & Application Conditions
- Substrate temperature during application and curing should be above 10°C (50°F)
- 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 75%
Instructions For Use
Mixing ratio by volume: base to hardener 70:30
- Adequate ventilation must be maintained during application and curing (please refer to INFORMATION SHEETS 1433 and 1434)
- Too much water results in reduced sag resistance and slower cure
- Must be protected from freezing at all times during storage and/or transport
- 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
- Water should be added after mixing the components
Application
Air spray
Recommended Thinner
- Tap water
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
Recommended Thinner
- Tap water
Volume of thinner
- 0 - 5%
Cleaning solvent
Cleaning procedures
- Pulsator filter and tip filter must be taken out of the equipment and cleaned properly
- The following tables illustrate the cleaning procedure of the spray equipment when changing from spraying with solventborne paint to waterborne paints (table 1) and from waterborne paints to solvent-borne paints (table 2)
| Table 1: Cleaning procedure from solvent-borne to waterborne paints | |
|---|---|
| Steps | Cleaning |
| 1st cleaning | THINNER 90-53 |
| 2nd cleaning | THINNER 70-05 |
| 3rd cleaning | With warm tap water of 30°C (86°F) to 35°C (95°F) after which waterborne paints can be sprayed |
| Table 2: Cleaning procedure from waterborne to solvent-borne paints | |
|---|---|
| Steps | Cleaning |
| 1st cleaning | Warm tap water of 30°C (86°F) to 35°C (95°F) |
| 2nd cleaning | THINNER 70-05 |
| 3rd cleaning | THINNER 90-53 |
Additional Data
| Overcoating interval for DFT up to 100 µm (4.0 mils) | |||||
|---|---|---|---|---|---|
| Overcoating with... | Interval | 10°C (50°F) | 20°C (68°F) | 30°C (86°F) | 40°C (104°F) |
| itself | Minimum | 3 hours | 2 hours | 1 hour | 45 minutes |
| Maximum | 6 months | 6 months | 6 months | 6 months | |
| SIGMADUR 520 and SIGMADUR 550 | Minimum | 24 hours | 16 hours | 12 hours | 8 hours |
| Maximum | 6 months | 6 months | 6 months | 6 months | |
| Curing time for DFT up to 100 μm (4.0 mils) | |||
|---|---|---|---|
| Dry to touch | Dry to handle | Full cure | |
| 10°C (50°F) | 3 hours | 18 hours | 6 days |
| 20°C (68°F) | 1.5 hours | 6 hours | 4 days |
| 30°C (86°F) | 1 hour | 5 hours | 3 days |
| 40°C (104°F) | 45 minutes | 4 hours | 48 hours |
| Pot life (at application viscosity) | |
|---|---|
| Mixed product temperature | Pot life |
| 10°C (50°F) | 4 hours |
| 20°C (68°F) | 3 hours |
| 30°C (86°F) | 2 hours |
| 40°C (104°F) | 1 hour |
Safety Precautions
Although this is a waterborne paint, care should be taken to avoid inhalation of spray mist, as well as contact between the wet paint and exposed skin or eyes.
Product Details
3916-856273
Data sheet
- Manufacturer
- PPG
- Water / Solvent Based
- Solvent
- For Use On
- Steel
- Application Method
- Spray, Brush, Roller
- Sheen
- Semi-Gloss
- Colour
- Fully Tintable
- VOC Levels
- Ultra-Low (5-49 g/l)
- Single, Two or Three Pack
- Two-Pack
- Pack Size
- 4L
16L - Base Type
- Polyamine epoxy
- Mixing Ratio
- 70:30
- Key Features
- Free from lead- and chromate-containing pigments, particularly suitable when solvents are not permitted because of health and safety reasons
- Touch Dry (at 20°C)
- 90 minutes
- Dry to Handle (at 20°C)
- 6 hours
- Dry to Recoat (at 20°C)
- 2 hours
- Fully Cured (at 20°C)
- 4 days
- Pot Life (at 20°C)
- 3 hours
- Coverage
- 7.1 m²/l for 75 µm (283 ft²/US gal for 3.0 mils). 5.3 m²/l for 100 µm (213 ft²/US gal for 4.0 mils)
- Recommended Thinner/Cleaner
- PPG Thinner 90-53, PPG Thinner 70-05
- Unit Contents
- -
- Compatible Primers
- -
- Compatible Topcoats
- Itself, PPG Sigmadur 520, PPG Sigmadur 550
- Max. Application Temperature
- -
- Min. Application Temperature
- 10°C (50°F)
- Density
- 1.3 kg/l (10.8 lb/US gal)
- Solids by Volume
- 53 ± 2%
- Heat Resistance (up-to)
- -
- VOC
- Directive 1999/13/EC, SED: max. 5.0 g/kg. max. 6.0 g/l (approx. 0.1 lb/US gal)
- Shelf Life (Once Opened)
- Base: at least 12 months when stored cool and dry, Hardener: at least 6 months when stored cool and dry
- UN Number (Activator)
- UN3082
- UN Number (Base)
- Not regulated (Tinted and L Base: UN9006 (ADN))
- Base Type
- Water-Based
- Base Type
- Epoxy
- Suitable For Use On
- Primed Surfaces
- Suitable For Use On
- Concrete
- Suitable For Use On
- Steel
- Suitable For Use On
- Galvanised Steel
- Finish
- Semi-Gloss
- Application Method
- Brush
- Application Method
- Roller
- Application Method
- Spray
- Usages
- Atmospheric
- Usages
- Intermediate
- Product Usage Type
- Buildcoat
- Product Usage Type
- Intermediate
- Product Range
- AquaCover
- 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
- Colour Family
- Grey
- Colour Family
- Green
- Colour Family
- Blue
- Colour Family
- Red
- Dry to Recoat (@ 20-25°C)
- 2 hours
Questions
Question about the product
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IMPORTANT SHIPPING & DELIVERY INFORMATION
PPG AquaCover 400 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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