PPG SIGMACOVER 620 Epoxy Coating 620 is an epoxy coating. Two-component surface-tolerant polyamide-cured epoxy mastic primer/topcoat. Easy to apply by all application methods, including airless spray and brush. Specifications on this page: volume solids 80 ± 2%, DFT 75-250 µm (3.0-10.0 mil) depending on system requirements, theoretical spreading rate 6.4 m²/L. Comparable products of the same brand and type: AMERCOAT 114 A Epoxy Filler 114 A, AMERCOAT 240 SIGMACOVER 240 High-solids Multi-purpose Epoxy 240, AMERCOAT 370 Rapid-dry Multi-purpose Epoxy Coating 370.
Parameter source: PPG original technical data sheet (TDS) "PPG SIGMACOVER 620 Epoxy Paint 620"; values such as spreading rate are converted from TDS parameters and are for selection reference only.
The above content is compiled from the manufacturer's datasheet and this site's parameter tables. For selection, coating systems and lead times, pleaseContact Usfor confirmation.
This page carries the full TDS for this product, translated from the manufacturer's original document. No file download is needed; for an original-language copy, send an enquiry.
| Volume Solids | 80 ± 2% |
|---|---|
| Dry Film Thickness | 75–250 µm (3.0–10.0 mil) depending on the coating system requirements |
| Theoretical Spreading Rate | 6.4 m²/L |
| VOC | Maximum 150.0 g/kg (EU Directive 1999/13… |
| Density / Specific Gravity | 1.5 kg/L (12.5 lb/US gal) |
| Number of Components | Two-component |
| Thinner | Thinner 91-92 |
| Recoat Interval | Minimum: 8 h; maximum: 6 months |
| Introduction | Two-component, surface-tolerant polyamide-cured epoxy high-build primer/topcoat |
|---|
| Number of Components | Two-component |
| Density | 1.5 kg/L (12.5 lb/US gal) |
| Volume solids | 80 ± 2% |
| VOC (as supplied) | Maximum 150.0 g/kg (EU Directive 1999/13/EC, SED) |
UK PG 6/23(92) Appendix 3: maximum 225.0 g/L (approx. 1.9 lb/US gal)
| Recommended dry film thickness | 75–250 µm (3.0–10.0 mil) depending on the coating system requirements |
| Theoretical Spreading Rate | 6.4 m²/L at 125 µm (257 in²/US gal at 5.0 mils) |
| Touch Dry | 3 h |
| Recoat Interval | Minimum: 8 h; maximum: 6 months |
| Full cure time | 7 days |
| Storage shelf life | Base: at least 24 months; store in a dry and cool environment |
Curing agent: at least 24 months; store in a dry and cool environment
Use thinner to adjust the paint viscosity to a suitable application state.
| Mixed paint temperature | Induction Time |
| Above 10 °C (50 °F) | Not required |
4 h at 20 °C (68 °F). Note: see supplementary parameters — pot life after mixing
| Recommended thinner | Thinner 91-92 |
|---|---|
| Thinner quantity | 0–10%, depending on the required film thickness and application conditions |
| Nozzle tip size | Approx. 0.46–0.53 mm (0.018–0.021 in) |
| Nozzle pressure | 20.0–25.0 MPa (approx. 200–250 atm; 2901–3626 psi) |
| Recommended thinner | Thinner 91-92 |
|---|---|
| Thinner quantity | 0 - 5% |
| Cleaning solvent | Thinner 90-53 |
| Dry Film Thickness | Theoretical Spreading Rate |
| 75 µm (3.0 mils) | 10.7 m²/L (428 in²/US gal) |
| 100 µm (4.0 mils) | 8.0 m²/L (321 in²/US gal) |
| 125 µm (5.0 mils) | 6.4 m²/L (257 in²/US gal) |
| 150 µm (6.0 mils) | 5.3 m²/L (214 in²/US gal) |
| 200 µm (8.0 mils) | 4.0 m²/L (160 in²/US gal) |
Overcoating interval schedule for a 125 µm (5.0 mil) dry film thickness: atmospheric exposure, dry conditions
| Subsequent coat for recoating | Recoat interval | 5°C (41°F) | 10°C (50°F) | 20°C (68°F) | 30°C (86°F) | 40°C (104°F) |
| Can be overcoated with various two-component | Minimum recoat interval | 48 h | 24 h | 8 h | 4 h | 2 h |
| Epoxy or polyurethane topcoat | Maximum time of exposure to sunlight-exposed environments | 3 months | ||||
| Maximum time of exposure to environments without direct sunlight | 6 months | |||||
| Notes | After prolonged outdoor exposure, all contamination shall be removed and the coating thoroughly abraded before overcoating, and the surface shall finally be dry and clean. |
|---|
Recoat interval table for coating with DFT 125 µm (5.0 mil): for immersion service
| Subsequent coat for recoating | Recoat interval | 5°C (41°F) | 10°C (50°F) | 20°C (68°F) | 30°C (86°F) | 40°C (104°F) |
| Can be overcoated with various two-component | For immersion service | 48 h | 24 h | 8 h | 4 h | 2 h |
| Epoxy or polyurethane topcoat | Minimum recoat interval | |||||
| Maximum recoat interval for immersion service | 2 months | |||||
| Notes | After prolonged outdoor exposure, all contamination shall be removed and the coating thoroughly abraded before overcoating, and the surface shall finally be dry and clean. |
|---|
| Substrate Temperature | Surface Dry | Fully hard dry | Fully cured |
| 5 °C (41 °F) | 24 h | 48 h | 20 days |
| 10 °C (50 °F) | 12 h | 24 h | 14 days |
| 20 °C (68 °F) | 3 h | 8 h | 7 days |
| 30 °C (86 °F) | 2 h | 6 h | 4 days |
| 40 °C (104 °F) | 1 h | 3 h | 3 days |
Note: ensure continuous, adequate ventilation during application and curing (see Safety Sheet 1433 and Information Sheet 1434). Pot life after mixing (at suitable application viscosity)
| Mixed paint temperature | Pot life after mixing |
| 10 °C (50 °F) | 10 h |
| 15 °C (59 °F) | 6 h |
| 20 °C (68 °F) | 4 h |
| 30 °C (86 °F) | 2 h |
| 40 °C (104 °F); safety precautions | 1 h |
Although PPG Protective and Marine Coatings is committed to providing completely consistent products to users worldwide, from time to time it may be necessary to make minor adjustments to specific products to comply with local/national regulations or environmental requirements. In the following cases, use the corresponding alternative version of the product data sheet instead.
PPG warrants (1) that it has good title to the product, (2) that the product quality conforms to the relevant technical quality specifications in force at the date of manufacture of the product, and (3) that the supplied product is free of lawful claims by third parties for infringement of US patent rights. The above warranties are limited to those given by PPG and other express or implied warranties required by applicable laws and regulations for transactions and commercial practice; any abuse contrary to the stated conditions, and any other warranty for special purposes or uses, are excluded, and PPG shall be free from liability. To claim under this warranty, the buyer must notify PPG in writing within five (5) days of discovering the quality defect, and the date must be within the product's valid storage period or within one (1) year from delivery of the product to the buyer.
If the buyer fails to notify PPG of the defect as required above, this will prejudice the buyer's right to obtain compensation under this warranty from PPG!
In all cases, PPG shall not be liable for any indirect, special, incidental or consequential loss of any kind arising from or in connection with the use of this product (whether based on negligence, strict liability or tort).
The information in this product data sheet is based on laboratory tests we believe to be reliable, and is provided for guidance only. PPG may revise this information at any time as experience accumulates and product development progresses.
All recommendations and advice concerning the use of this product, whether in technical documents, in response to an enquiry or otherwise, are given to the best of our knowledge and are believed to be reliable. Our products and related information are provided for industrial users possessing the necessary knowledge and practical skills, and it is the end user's responsibility to determine whether the product is suitable for the specific use. The buyer, having performed such evaluation, proceeds entirely at its own risk.
The quality and condition of the substrate on site, and the many other factors affecting product use and application, are beyond PPG's control. Therefore, PPG accepts no liability for any loss, injury or damage arising from the use of the information in this product data sheet (unless otherwise provided in a written agreement). Different application environments, changes to the application process or extrapolation of the reference data may result in failure to achieve the expected coating quality.
This product data sheet supersedes all previous versions. The buyer is responsible for confirming that the data sheet in hand is the latest version before using the product. The latest version is published on the official website of PPG Protective & Marine Coatings:
www.ppgpmc.com. In case of discrepancy between the Chinese version and the original English version of the product data sheet, the English original shall prevail.
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Packaging specifications and batch lead times are subject to actual availability. PleaseContact Uscontact us for project-based calculation.
