PPG SigmaCover 690 is a two-component high solids aluminium pigmented polyamine cured modified epoxy primer/coating designed for maintenance. SigmaCover 690 is a self-priming coating, tolerant to lower grades of steel preparation, and is compatible with most aged, good adhering coatings. It can be recoated with epoxy and polyurethane paints, curing at temperatures down to 5°C (41°F) with low VOC.
PPG SigmaCover 690, a two-component high solids aluminium pigmented polyamine cured modified epoxy primer/coating designed for maintenance. The self-priming coating is tolerant to lower grades of steel preparation and is compatible with most aged, good adhering coatings.
SigmaCover 690 can be recoated with epoxy and polyurethane paints, curing at temperatures down to 5°C (41°F) with low VOC. Refer further below for more information on surface preparation, application details and curing times.
| Reference | Colour | Size | Gloss Level |
|---|---|---|---|
| 328960 | Aluminium (light) | 4 litres | Semi-gloss |
| - | Aluminium (light) | 20 litres | Semi-gloss |
| 328960 | Aluminium (dark) | 4 litres | Semi-gloss |
| - | Aluminium (dark) | 20 litres | Semi-gloss |
Two-component high solids aluminium pigmented polyamine cured modified epoxy primer/coating
| 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 | 90 ± 2% |
| VOC (Supplied) | Directive 1999/13/EC, SED: max. 150.0 g/kg |
| UK PG 6/23(92) Appendix 3: max. 198.0 g/l (approx. 1.7 lb/US gal) | |
| Recommended dry film thickness | 75 - 125 µm (3.0 - 5.0 mils) depending on system |
| Theoretical spreading rate | 12.0 m²/l for 75 µm (481 ft²/US gal for 3.0 mils) |
| 7.2 m²/l for 125 µm (289 ft²/US gal for 5.0 mils) | |
| Dry to touch | 4 hours |
| Overcoating Interval | Minimum: 12 hours |
| Maximum: 4 months | |
| Full cure after | 5 days |
| Shelf life | Base: at least 24 months when stored cool and dry |
| Hardener: at least 24 months when stored cool and dry | |
Notes:
Recommended Substrate Conditions and Temperatures
Atmospheric exposure conditions
Immersion in water
Substrate Temperature & Application Conditions
Instructions for Use
Mixing ratio by volume: base to hardener 77.5:22:5
Induction Time
None.
Pot life
Refer below for more information
Air Spray
Recommended thinner
Volume of thinner
Nozzle orifice
Nozzle pressure
Airless spray
Recommended thinner
Volume of thinner
Nozzle orifice
Nozzle pressure
Brush/roller
Recommended thinner
Volume of thinner
Cleaning Solvent
| DFT | Theoretical spreading rate |
|---|---|
| 75 µm (3.0 mils) | 12.0 m²/l (481 ft²/US gal) |
| 100 µm (4.0 mils) | 9.0 m²/l (361 ft²/US gal) |
| 125 µm (5.0 mils) | 7.2 m²/l (289 ft²/US gal) |
| Overcoating with... | Interval | 5°C (41°F) | 10°C (50°F) | 15°C (59°F) | 20°C (68°F) | 30°C (86°F) | 40°C (104°F) |
|---|---|---|---|---|---|---|---|
| Itself | Minimum | 48 hours | 36 hours | 20 hours | 12 hours | 8 hours | 6 hours |
| Maximum | 6 months | 6 months | 6 months | 4 months | 3 months | 3 months |
Note:
Curing time for DFT up to 125 µm (5.0 mils)
| Substrate temperature | Dry to touch | Dry to handle | Full Cure |
|---|---|---|---|
| 5°C (41°F) | 16 hours | 48 hours | 10 days |
| 10°C (50°F) | 9 hours | 36 hours | 7 days |
| 15°C (59°F) | 6 hours | 20 hours | 6 days |
| 20°C (68°F) | 4 hours | 12 hours | 5 days |
| 30°C (86°F) | 3 hours | 8 hours | 4 days |
| 40°C (104°F) | 2 hours | 6 hours | 48 hours |
Notes:
Pot Life (at application viscosity)
| Mixed product temperature | Pot life |
|---|---|
| 15°C (59°F) | 5 hours |
| 20°C (68°F) | 3 hours |
| 30°C (86°F) | 2 hours |
| 40°C (104°F) | 1 hours |
| 50°C (122°F) | 1 hours |
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.
PPG SigmaCover 690 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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