PPG Thinner 90-53
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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£35.49 (ex. VAT)
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PPG SigmaWeld 120 is a two-component, polyamide-cured epoxy prefabrication primer that is suitable for automatic application on shot blasted steel plates.
- Good cutting and welding properties, including MMA and gravity welding
- Provides corrosion protection up to 6 months
- Fast-drying properties
- Can be used as a first coat in various paint systems for atmospheric exposure conditions only
Description
PPG SigmaWeld 120 is a two-component, polyamide-cured epoxy prefabrication primer that is suitable for automatic application on shot blasted steel plates.
Top Features & Benefits
- Good cutting and welding properties, including MMA and gravity welding
- Provides corrosion protection up to 6 months, when applied at a DFT of 22 µm (0.9 mils) (depending on exposure conditions and blasting profile)
- Fast-drying properties
- Can be used as a first coat in various paint systems for atmospheric exposure conditions only
- 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
- Substrate temperature during application and curing should be at least 3°C (5°F) above dew point
- Substrate temperature during automatic application should be between 35°C (95°F) and 40°C (104°F)
Secondary Surface Preparation
During storage and construction, contamination of the prefabrication primer should be limited. After fabrication, surface defects should be treated according to the scheme hereafter.
Instructions for Use
Mixing ratio by volume: base to hardener 75:25 (3:1). The temperature of the mixed base and hardener should preferably be above 15°C (59°F). Strain mixture through a 30 – 60 mesh screen. Mixed paint is ready for use.
Some addition of thinner (THINNER 90-53) might be necessary depending on routing, line speed and steel temperature. Agitate continuously during application.
Pot Life
24 hours at 20°C (68°F)
Air Spray
Recommended thinner: PPG Thinner 90-53
Volume of thinner: 0 - 5%, depending on required thickness and application conditions
Nozzle orifice: 1.0 - 1.5 mm (approx. 0.040 - 0.060 in)
Nozzle pressure: 0.15 - 0.20 MPa (approx. 2 - 2 bar; 22 - 29 p.s.i.)
Airless Spray
Recommended thinner: PPG Thinner 90-53
Volume of thinner: 0 - 5%, depending on required thickness and application conditions
Nozzle orifice: Approx. 0.43 - 0.58 mm (0.017 - 0.023 in)
Nozzle pressure: 12.0 - 15.0 MPa (approx. 120 - 150 bar; 1741 - 2176 p.s.i.)
Cleaning Solvent
PPG Thinner 90-53
Safety Precautions
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. For paint and recommended thinners see INFORMATION SHEETS 1430, 1431 and relevant Material Safety Data Sheets.
Product Data
| Data for Mixed Product at 20°C (68°F) | |||||
|---|---|---|---|---|---|
| Number of components | Two | ||||
| Mass density | 1.1 kg/l (9.2 lb/US gal) | ||||
| Volume solids | 21 ± 2% | ||||
| VOC (Supplied) | Directive 1999/13/EC, SED: max. 593.0 g/kg UK PG 6/23(92) Appendix 3: max. 653.0 g/l (approx. 5.4 lb/US gal) | ||||
| Recommended dry film thickness | 22 µm (0.9 mils) per coat | ||||
| Theoretical spreading rate | 9.5 m²/l for 22 µm (374 ft²/US gal for 0.9 mils) | ||||
| Dry to touch | 6 minutes (4 minutes at 40°C (104°F)) | ||||
| Overcoating interval | Minimum: 12 hours. Maximum: 6 months | ||||
| Shelf life | Base/hardener: at least 12 months when stored cool and dry | ||||
| Overcoating interval for DFT up to 22 µm (0.9 mils) | |||||||
|---|---|---|---|---|---|---|---|
| Overcoating with... | Interval | 20°C (68°F) | |||||
| Various two-component epoxy coatings | Minimum Maximum | 12 hours 6 months | |||||
| Curing time for solvent-free application | |||
|---|---|---|---|
| Substrate temp. | Dry to Touch | ||
| 20°C (68°F) | 6 minutes | ||
| 40°C (104°F) | 4 minutes | ||
| Overcoating interval for DFT up to 22 µm (0.9 mils) | |||||||
|---|---|---|---|---|---|---|---|
| Overcoating with... | Interval | 20°C (68°F) | |||||
| Various two-component epoxy coatings | Minimum Maximum | 12 hours 6 months | |||||
| Secondary Surface Preparation | |||
|---|---|---|---|
| Area | Atmospheric Exposure Conditions | ||
| Contamination | To be removed | ||
| Weldsteams | SPSS-Pt2 | ||
| Burned | SPSS-Ss (SSPS-Pt2) | ||
| Damaged corroded | SPSS-Ss (SSPS-Pt2) | ||
Product Details
3938-513312
Data sheet
- Manufacturer
- PPG
- Water / Solvent Based
- Solvent
- For Use On
- Steel
- Application Method
- Spray
- Sheen
- Flat
- Colour
- Standard / Ready Mixed
- Single, Two or Three Pack
- Two-Pack
- Pack Size
- 20L
- Base Type
- Polyamide-cured epoxy
- Mixing Ratio
- 3:1
- Key Features
- Good cutting and welding properties, fast-drying, suitable for automatic application
- Touch Dry (at 20°C)
- 6 minutes
- Dry to Handle (at 20°C)
- -
- Dry to Recoat (at 20°C)
- Minimum: 12 hours. Maximum: 6 months
- Fully Cured (at 20°C)
- -
- Pot Life (at 20°C)
- 24 hours
- Coverage
- 9.5 m²/l for 22 µm (374 ft²/US gal for 0.9 mils)
- Recommended Thinner/Cleaner
- PPG Thinner 90-53
- Unit Contents
- -
- Compatible Primers
- -
- Compatible Topcoats
- -
- Max. Application Temperature
- 40°C (104°F) for automatic application
- Min. Application Temperature
- at least 3°C (5°F) above dew point. 35°C (95°F) for automatic application
- Density
- 1.1 kg/l (9.2 lb/US gal)
- Solids by Volume
- 21 ± 2%
- Heat Resistance (up-to)
- -
- VOC
- Directive 1999/13/EC, SED: max. 593.0 g/kg UK PG 6/23(92) Appendix 3: max. 653.0 g/l (approx. 5.4 lb/US gal)
- Shelf Life (Once Opened)
- Base/Hardener: 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
- Spray
- Usages
- Weldable
- Usages
- Atmospheric
- Product Usage Type
- Primer
- Product Range
- SigmaWeld
- Colour Family
- Grey
- Colour Family
- Brown
- Dry to Recoat (@ 20-25°C)
- 12 hours
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IMPORTANT SHIPPING & DELIVERY INFORMATION
PPG SigmaWeld 120 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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