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SigmaCover 350 LT is a two-component, high-build polyamide cured anticorrosive epoxy primer/coating that cures at temperatures down to -5°C (23°F), available in 2,600+ colours for wide use in Marine and Protective Coatings such as topsides, decks, superstructures and cargo holds.
- Available in 2,600+ colours, inc. RAL, BS, NCS & the new NCS 2050 colours
- Surface tolerant primer/coating - Good impact and abrasion resistance, with excellent corrosion resistance
- Resistant to splash and spillage of a wide range of chemicals - Smooth film, easy to clean
- Fast-curing and compatible with various aged coatings - No induction time; 3 hours pot life
- See below for more information on surface preparation, application details and curing times
- The aluminium shade can be used as a replacement for SigmaCover 690 LT, which has been discontinued
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SigmaCover 350 LT, a two-component, high-build polyamide cured anticorrosive epoxy primer/coating that cures at temperatures down to -5°C (23°F), for wide use in Marine and Protective Coatings such as topsides, decks, superstructures and cargo holds. The fast-curing primer has good impact and abrasion resistance and excellent corrosion resistance, applying by spray, brush or roller.
Available in 2,600+ colours, inc. RAL, BS, NCS & the new NCS 2050 colours.
.
Features & Benefits
- Surface tolerant primer/coating for wide use in Marine and Protective Coatings
- Marine use: suitable on topsides, decks, superstructures and cargo holds
- Cures at temperatures down to -5°C (23°F)
- Available in 2,600+ colours, inc. RAL, BS, NCS & the new NCS 2050 colours
- Good impact and abrasion resistance
- Fast-curing
- Smooth film, easy to clean
- Compatible with various aged coatings
- Excellent corrosion resistance
- Resistant to splash and spillage of a wide range of chemicals
- No induction time
- 3 hours pot life (at 10°C (50°F))
- Touch dry in 4 hours, overcoat after 8 hours
- Fully cured after 7 days
- Can be applied by air spray, brush or roller
- See below for more information on surface preparation, application details and curing times
| Reference | Colour | Size | Gloss Level |
|---|---|---|---|
| 220296 | Grey (Sigma 5177) | 20 litres | Semi-Gloss |
| 347323 | Aluminium | 20 litres | Semi-Gloss |
| - | Full RAL & BS colours | 4 litres | Semi-Gloss |
| - | Full RAL & BS colours | 20 litres | Semi-Gloss |
For Cargo holds use gray (5177) and redbrown (6179) only.
The aluminium shade can be used as a replacement for SigmaCover 690 LT, which has been discontinued.
Product Data
Two-component, high-build polyamide cured anticorrosive epoxy primer/coating.
| Data for mixed product at 10°C (50°F) | |
|---|---|
| Number of components | Two |
| Mass density | 1.4 kg/l (11.7 lb/US gal) |
| Volume solids | 74 ± 2% |
| VOC (Supplied) | Directive 1999/13/EC, SED: max. 264.0 g/kg |
| max. 361.0 g/l (approx. 3.0 lb/US gal) | |
| Recommended dry film thickness | 100 - 150 µm (4.0 - 6.0 mils) for airless spray |
| Theoretical spreading rate | 5.9 m²/l for 125 µm (237 ft²/US gal for 5.0 mils) |
| 4.9 m²/l for 150 µm (198 ft²/US gal for 6.0 mils) | |
| Dry to touch | 4 hours |
| Overcoating Interval | Minimum: 8 hours |
| Maximum: 14 days | |
| Full cure after | 7 days |
| Shelf life | Base: at least 24 months when stored cool and dry |
| Hardener: at least 24 months when stored cool and dry | |
Notes:
- Refer below for more details on spreading rate and film thickness, overcoating intervals and curing times
Surface Preparation
Recommended Substrate Conditions and Temperatures
Substrate conditions
- Steel; blast cleaned to ISO-Sa2½ for excellent corrosion protection, blasting profile 40 – 70 µm (1.6 – 2.8 mils)
- Steel; blast cleaned to ISO-Sa2, blasting profile 40 – 70 µm (1.6 – 2.8 mils) or power tool cleaned to minimum ISO-St2 for good corrosion protection
- Previous coat must be dry and free from any contamination
- Previous coat: surface should be sufficiently roughened if necessary
- At freezing temperatures surface must be free from ice
Substrate Temperature & Application Conditions
- Substrate temperature during application and curing should be between -5°C (23°F) and 15°C (59°F)
- Substrate temperature during application and curing should be at least 3°C (5°F) above dew point
System Specification
- SIGMACOVER 350 LT: 2 x 125 µm (5.0 mils) DFT
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
Induction Time
None.
Pot life
- 3 hours at 10°C (50°F)
Refer below for more information
Air Spray
Recommended thinner
Volume of thinner
- 5 - 10%, depending on required thickness and application conditions
Nozzle orifice
- 1.8 – 2.0 mm (approx. 0.070 – 0.079 in)
Nozzle pressure
- 0.3 - 0.4 MPa (approx. 3 - 4 bar; 44 - 58 p.s.i.)
Airless spray
Recommended thinner
- THINNER 91-92
Volume of thinner
- 0 - 10%, depending on required thickness and application conditions
Nozzle orifice
- Approx. 0.48 – 0.53 mm (0.019 – 0.021 in)
Nozzle pressure
- 15.0 MPa (approx. 150 bar; 2176 p.s.i.)
Brush/roller
Recommended thinner
- THINNER 91-92
Volume of thinner
- 0 – 5%
Cleaning Solvent
- THINNER 91-92
Spreading Rate and Film Thickness
| DFT | Theoretical spreading rate |
|---|---|
| 100 µm (4.0 mils) | 7.4 m²/l (297 ft²/US gal) |
| 125 µm (5.0 mils) | 5.9 m²/l (237 ft²/US gal) |
| 150 µm (6.0 mils) | 4.9 m²/l (198 ft²/US gal) |
Note:
- Maximum DFT when brushing: 100 µm (4.0 mils)
Overcoating interval for DFT up to 150 µm (6.0 mils)
For application in Marine areas subject to non-permanent exposure to splash water, seawater, spillage to chemicals etc.
| Overcoating with... | Interval | -5°C (23°F) | 0°C (32°F) | 5°C (41°F) | 10°C (50°F) | 15°C (59°F) |
|---|---|---|---|---|---|---|
| Epoxy coatings | Minimum | 36 hours | 24 hours | 12 hours | 8 hours | 6 hours |
| Maximum | 28 days | 28 days | 28 days | 14 days | 10 days | |
| Polyurethanes | Minimum | 3 days | 48 hours | 24 hours | 16 hours | 12 hours |
| Maximum | 28 days | 28 days | 21 days | 10 days | 7 days |
Note:
- Surface should be dry and free from any contamination and ice
Curing time for DFT up to 150 µm (6.0 mils)
| Substrate temperature | Dry to touch | Dry to Handle | Full Cure |
|---|---|---|---|
| -5°C (23°F) | 24 hours | 32 hours | 16 days |
| 0°C (32°F) | 16 hours | 20 hours | 12 days |
| 5°C (41°F) | 8 hours | 10 hours | 9 days |
| 10°C (50°F) | 4 hours | 6 hours | 7 days |
| 15°C (59°F) | 2 hours | 4 hours | 4 days |
Notes:
- For cargo hold application: for full cure for hard angular cargoes, please contact our technical team
- Adequate ventilation must be maintained during application and curing (please refer to information sheets 1433 and (1434)
- Should SIGMACOVER 350 LT or the total coating system (2 x 125 µm/2 x 5.0 mils) be applied in excess of the specified dry film thickness, then the time necessary to reach full cure will be increased
Pot Life (at application viscosity)
| Mixed product temperature | Pot life |
|---|---|
| 10°C (50°F) | 3 hours |
| 15°C (59°F) | 2 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)
Product Details
4134-1050396
Data sheet
- Manufacturer
- PPG
- For Use By
- Professional Use
- For Use On
- Steel
- Application Method
- Brush, Roller, Spray
- Sheen
- Semi Gloss
- Colour
- Fully Tintable
- Single, Two or Three Pack
- Two-Pack
- Pack Size
- 20L
- Parts
- Two
- Solvent
- Solvent-based
- Mixing Ratio
- 4:1
- Suitable Substrates
- Steel, concrete
- Key Features
- Fast curing, good impact and abrasion resistance, excellent corrosion resistance
- Application
- Brush, Roller, Spray
- Touch Dry (at 20°C)
- 2 hours
- Coverage
- 5.9 m²/l for 125 µm, 4.9 m²/l for 150 µm
- Recommended Thinner/Cleaner
- 91-92
- Unit Contents
- Base & hardener
- Compatible Primers
- -
- Compatible Topcoats
- -
- Max. Application Temperature
- -
- Min. Application Temperature
- 5°C (41°F)
- Density
- 1.4 kg/l (11.7 lb/US gal)
- Solids by Volume
- 74 ± 2%
- Heat Resistance (up-to)
- -
- VOC
- Directive 1999/13/EC, SED: max. 264.0 g/kg max. 361.0 g/l (approx. 3.0 lb/US gal)
- Shelf Life (from date of manufacture)
- Base: 24 months, hardener 24 months
- UN Number (Activator)
- UN3469
- UN Number (Base)
- -
- Dry to Handle (at 10°C)
- 6 hours
- Pot Life (at 10°C)
- 3 hours
- Dry to Recoat (at 10°C)
- 6 hours
- Fully Cured (at 10°C)
- 7 days
- Touch Dry (at 10°C)
- 2 hours
- Base Type
- Solvent-Based
- Suitable For Use On
- Steel
- Suitable For Use On
- Compatible Existing Coatings
- Finish
- Semi-Gloss
- Application Method
- Brush
- Application Method
- Roller
- Application Method
- Spray
- Usages
- High Build
- Usages
- Corrosion Resistance
- Usages
- Low Temperature
- Usages
- Surface Tolerant
- Usages
- Atmospheric
- Usages
- Easy to Clean
- Usages
- Impact Resistance
- Usages
- Abrasion Resistance
- Usages
- Direct to Metal
- Product Usage Type
- Primer
- Product Range
- SigmaCover
- 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
- Colour Family
- Grey
- Colour Family
- Green
- Colour Family
- Blue
- Categorised As
- Marine Paints > Low Temperature Maintenance & Repair
- Categorised As
- Metal Paints > Low Temperature Direct-to-Metal Paints
- Seasonal
- Cold Weather
- Product Type
- Epoxy
- Environment
- Atmospheric
- Environment
- Low Temperature
- Touch Dry/Dust Free (@ 20-25°C)
- 2 hours
- Product Attributes
- High Build
- Product Attributes
- Easy to Clean
- Product Attributes
- Surface Tolerant
- Resistance to
- Corrosion
- Resistance to
- Abrasion
- Resistance to
- Impact
Questions
Question about the product
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IMPORTANT SHIPPING & DELIVERY INFORMATION
PPG SigmaCover 350 LT 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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