PPG SigmaShield 880GF, also known as Amerlock 880GF, a two-component, surface tolerant high solid glass flake epoxy coating designed for use in heavy-duty and corrosive environments for offshore splash zone maintenance.
PPG SigmaShield 880GF, also known as Amerlock 880GF, is a two-component, surface tolerant high solid glass flake epoxy coating designed for use in heavy-duty and corrosive environments for offshore splash zone maintenance.
SigmaShield 880GF has outstanding sea water resistance and continues to cure when immersed in water. Long-term protection in a single-coat application and excellent corrosion resistance are suitable for application on the exterior of buried pipes, jetties, piling, etc.
| Reference | Colour | Size | Gloss Level |
|---|---|---|---|
| 318047 | Black | 20 litres | Gloss |
| 323079 | Grey | 20 litres | Gloss |
Note:
Epoxy coatings will characteristically chalk and fade upon exposure to sunlight. Note that product tinted to customer colours cannot be used as primer or intermediate layer in a multicoat system, only use factory grind batches. Tinted colours can be used only as last layer in a multicoat system.
| Data for mixed product at 20°C (68°F) | |
|---|---|
| Number of components | Two |
| Mass density | 1.5 kg/l (12.1 lb/US gal) |
| Volume solids | 85 ± 2% |
| VOC (Supplied) | Directive 1999/13/EC, SED: max. 122.0 g/kg |
| UK PG 6/23(92) Appendix 3: max. 207.0 g/l (approx. 1.7 lb/US gal) | |
| EPA Method 24: 200.0 g/ltr (1.7 lb/USgal) | |
| Recommended dry film thickness | 200 - 1000 µm (8.0 - 40.0 mils) depending on system |
| Theoretical spreading rate | 4.3 m²/l for 200 µm (170 ft²/US gal for 8.0 mils) |
| Dry to touch | 3 hours |
| Pot life | 2 hours at 20°C (68°F) |
| Overcoating Interval | Minimum: 3.5 hours |
| Maximum: 14 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
Substrate Temperature & Application Conditions
Instructions for Use
Mixing ratio by volume: base to hardener 75:25 (3:1)
Induction time
Air spray
Recommended thinner
Volume of thinner
Nozzle orifice
Nozzle pressure
Airless spray
Recommended thinner
Volume of thinner
Nozzle orifice
Nozzle pressure
Brush/roller
Only for touch-up and spot repair
Recommended thinner
Volume of thinner
Cleaning Solvent
| DFT | Theoretical spreading rate |
|---|---|
| 200 µm (8.0 mils) | 4.3 m²/l (170 ft²/US gal) |
| 500 µm (20.0 mils) | 1.7 m²/l (68 ft²/US gal) |
Overcoating interval for DFT up to 500 µm (20.0 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 | 36 hours | 14 hours | 7 hours | 3.5 hours | 2 hours | 1.5 hours |
| Maximum | 2 months | 1.5 months | 1 month | 28 days | 21 days | 14 days | |
| Epoxy coatings | Minimum | 36 hours | 14 hours | 7 hours | 3.5 hours | 2 hours | 1.5 hours |
| Maximum | 1 month | 28 days | 21 days | 14 days | 7 days | 4 days | |
| Polyurethanes | Minimum | 48 hours | 22 hours | 14 hours | 10 hours | 6 hours | 4 hours |
| Maximum | 1 month | 28 days | 21 days | 14 days | 7 days | 4 days |
Note: Surface should be dry and free from any contamination
Curing time for DFT up to 500 µm (20 mils)
| Substrate temperature | Dry to touch | Dry to handle | Full cure |
|---|---|---|---|
| -5°C (23°F) | 24 hours | 48 hours | 30 days |
| 5°C (41°F) | 10 hours | 24 hours | 18 days |
| 10°C (50°F) | 5 hours | 16 hours | 14 days |
| 20°C (68°F) | 3 hours | 8 hours | 7 days |
| 30°C (86°F) | 2 hours | 5 hours | 5 days |
| 40°C (104°F) | 1 hour | 3 hours | 3 days |
Notes:
Pot Life (at application viscosity)
| Mixed product temperature | Pot life |
|---|---|
| 10°C (50°F) | 3 hours |
| 20°C (68°F) | 2 hours |
| 30°C (86°F) | 1 hour |
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 SigmaShield 880GF 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
This thinner has been developed by PPG Protective and Marine Coatings for use with selected paint products. More Information Delivery Info
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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