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PPG SigmaZinc 105 is a two-component, zinc epoxy steel primer with excellent anti-corrosive and application properties.
- Quick-drying, can be overcoated after 25 minutes
- Excellent application properties
- Cures at temperatures down to -5°C (23°F)
Description
PPG SigmaZinc 105 is a two-component, zinc epoxy steel primer with excellent anti-corrosive and application properties.
Top Features & Benefits
- Quick-drying, can be overcoated after 25 minutes
- Excellent application properties
- Cures at temperatures down to -5°C (23°F)
- Flat finish
Preparation & Application
Recommended Substrate Conditions and Temperatures
Substrate Conditions
- Steel; blast cleaned to ISO-Sa2½, blasting profile 40 – 70 µm (1.6 – 2.8 mils)
Substrate Temperature and 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
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
Pot Life
4 hours at 20°C (68°F)
Air Spray
Recommended Thinner: PPG Thinner 21-06
Volume of thinner: 15 - 20%, depending on required thickness and application conditions
Nozzle orifice: 1.6 mm (approx. 0.063 in)
Nozzle pressure: 0.3 - 0.6 MPa (approx. 3 - 6 bar; 44 - 87 p.s.i.)
Airless Spray
Recommended thinner: PPG Thinner 21-06
Volume of thinner: 5 - 15%, depending on required thickness and application conditions
Nozzle orifice: Approx. 0.38 – 0.53 mm (0.015 – 0.021 in)
Nozzle pressure: 15.0 MPa (approx. 150 bar; 2176 p.s.i.)
Brush/Roller
Recommended thinner: PPG Thinner 21-06
Volume of thinner: 0 – 5%
Cleaning Solvent
PPG Thinner 90-53
Safety Precautions
For paint and recommended thinners see INFORMATION SHEETS 1430, 1431 and relevant Material Safety Data Sheets. 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.
Product Data
| Data for Product at 20°C (68°F) | |||||
|---|---|---|---|---|---|
| Number of components | Two | ||||
| Mass density | 2.0 kg/l (16.7 lb/US gal) | ||||
| Volume solids | 65 ± 2% | ||||
| VOC (Supplied) | Directive 1999/13/EC, SED: max. 208.0 g/kg max. 408.0 g/l (approx. 3.4 lb/US gal) | ||||
| Recommended dry film thickness | 50 - 80 µm (2.0 - 3.1 mils) depending on system | ||||
| Theoretical spreading rate | 13.0 m²/l for 50 µm (521 ft²/US gal for 2.0 mils) | ||||
| Dry to touch | 10 minutes | ||||
| Overcoating interval | Minimum: 25 minutes. Maximum: 12 months | ||||
| Shelf life | Base: at least 12 months when stored cool and dry Hardener: at least 12 months when stored cool and dry | ||||
| Spreading Rate and Film Thickness | |||
|---|---|---|---|
| DFT | Theoretical Spreading Rate | ||
| 50 µm (2.0 mils) | 13 m²/l (521 ft²/US gal) | ||
| 80 µm (3.1 mils) | 8.1 m²/l (336 ft²/US gal) | ||
| Overcoating interval for DFT up to 50 µm (2.0 mils) | |||||||
|---|---|---|---|---|---|---|---|
| Overcoating with... | Interval | -5°C (23°F) | 0°C (32°F) | 10°C (50°F) | 20°C (68°F) | 30°C (86°F) | |
| Various two-pack epoxy and polyurethane coatings | Minimum Maximum |
1 hour 12 months |
45 minutes 12 months |
30 minutes 12 months |
25 minutes 12 months |
20 minutes 12 months |
|
| Overcoating interval for DFT up to 80 µm (3.1 mils) | |||||||
|---|---|---|---|---|---|---|---|
| Overcoating with... | Interval | -5°C (23°F) | 0°C (32°F) | 10°C (50°F) | 20°C (68°F) | 30°C (86°F) | |
| Various two-pack epoxy and polyurethane coatings | Minimum Maximum |
1.5 hours 12 months |
1 hour 12 months |
50 minutes 12 months |
40 minutes 12 months |
35 minutes 12 months |
|
| Curing time for DFT up to 80 µm (3.1 mils) | |||
|---|---|---|---|
| Substrate temp. | Dry to Touch | Dry to Handle | |
| -5°C (23°F) | 1 hour | 1.5 hours | |
| 0°C (32°F) | 40 minutes | 1 hour | |
| 10°C (50°F) | 25 minutes | 50 minutes | |
| 20°C (68°F) | 10 minutes | 40 minutes | |
| 30°C (86°F) | Less than 10 minutes | 35 minutes | |
Notes:
Surface should be dry and free from any contamination. An interval of several months can be allowed under clean interior exposure conditions. Zinc primers can form zinc salts on the surface; preferably they should not be weathered for long periods before overcoating. Before overcoating any visible surface contamination must be removed by sandwashing, sweep blasting or mechanical cleaning
References
- Safety Indicators (information sheet 1430)
- Safety in Confined Space and Health Safety, Explosion Hazard - Toxic Hazard (information sheet 1431)
Product Details
3935-511987
Data sheet
- Manufacturer
- PPG
- Water / Solvent Based
- Solvent
- For Use On
- Steel
- Application Method
- Spray, Roller, Brush
- Sheen
- Flat
- Colour
- Standard / Ready Mixed
- Single, Two or Three Pack
- Two-Pack
- Pack Size
- 20L
- Base Type
- Zinc epoxy
- Mixing Ratio
- 4:1
- Key Features
- Quick-drying, excellent application properties, anti-corrosive
- Touch Dry (at 20°C)
- 10 minutes
- Dry to Handle (at 20°C)
- 40 minutes
- Dry to Recoat (at 20°C)
- Minimum: 25 minutes. Maximum: 12 months
- Fully Cured (at 20°C)
- 40 minutes
- Pot Life (at 20°C)
- 4 hours at 20°C (68°F)
- Coverage
- 13.0 m²/l for 50 µm (521 ft²/US gal for 2.0 mils)
- Recommended Thinner/Cleaner
- PPG Thinner 21-06, PPG Thinner 90-53
- Unit Contents
- -
- Compatible Primers
- -
- Compatible Topcoats
- -
- Max. Application Temperature
- -
- Min. Application Temperature
- -5°C (23°F) is acceptable; provided the substrate is dry and free from ice
- Density
- 2.0 kg/l (16.7 lb/US gal)
- Solids by Volume
- 65 ± 2%
- Heat Resistance (up-to)
- -
- VOC
- Directive 1999/13/EC, SED: max. 208.0 g/kg max. 408.0 g/l (approx. 3.4 lb/US gal)
- Shelf Life (Once Opened)
- At least 12 months when stored cool and dry
- UN Number
- UN1263
- Base Type
- Epoxy
- Base Type
- Solvent-Based
- Suitable For Use On
- Steel
- Finish
- Flat
- Application Method
- Brush
- Application Method
- Spray
- Application Method
- Roller
- Usages
- Atmospheric
- Usages
- Zinc Rich /Cold Galvanising
- Usages
- Low Temperature
- Usages
- Anti-Corrosive
- Product Usage Type
- Primer
- Product Range
- SigmaZinc
- Colour Family
- Grey
- Dry to Recoat (@ 20-25°C)
- 25 mins
Be the first to ask a question about this product!
IMPORTANT SHIPPING & DELIVERY INFORMATION
PPG SigmaZinc 105 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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