PPG SIGMACOVER 280 Epoxy General-purpose Primer 280 is an epoxy coating used as a primer. Multi-purpose general-purpose epoxy anti-corrosive primer based on pure epoxy technology. A general-purpose primer for protective coating systems on ship ballast tanks, decks, freeboard, superstructures, shell plating and cargo oil tanks. Specifications on this page: volume solids 57 ± 2%, DFT 50-100 µm (2.0-4.0 mil) depending on system requirements, theoretical spreading rate 11.4 m²/L. Comparable products of the same brand and type: PPG SIGMACOVER 246 Epoxy Primer 246, PPG SIGMACOVER 256 Epoxy Primer 256, PPG SIGMACOVER 280 Epoxy General-purpose Primer 280.
Data source: PPG original Technical Data Sheet (TDS), "PPG SIGMACOVER 280 Epoxy Universal Primer 280"; spreading rate and other values are converted from the TDS parameters, 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 | 57 ± 2% |
|---|---|
| Dry Film Thickness | 50–100 µm (2.0–4.0 mils), depending on the coating system requirements |
| Theoretical Spreading Rate | 11.4 m²/L |
| VOC | Maximum 327.0 g/kg (EU Directive 1999/13… |
| Density / Specific Gravity | 1.3 kg/L (11.0 lb/US gal) |
| Number of Components | Two-component |
| Thinner | Thinner 91-92 |
| Recoat Interval | See the recoat interval table |
| Introduction | A versatile general-purpose epoxy anticorrosive primer based on pure epoxy technology |
|---|
| Number of Components | Two-component |
| Density | 1.3 kg/L (11.0 lb/US gal) |
| Volume solids | 57 ± 2% |
| VOC (as supplied) | Maximum 327.0 g/kg (EU Directive 1999/13/EC, SED) |
UK PG 6/23(92) Appendix 3: maximum 432.0 g/L (approx. 3.6 lb/US gal)
| Recommended dry film thickness | 50–100 µm (2.0–4.0 mils) depending on coating system requirements |
| Theoretical Spreading Rate | 11.4 m²/L at 50 µm (457 in²/US gal at 2.0 mils) |
5.7 m²/L at 100 µm (229 in²/US gal at 4.0 mils)
| Touch Dry | 1.5 h |
| Recoat Interval | See the recoat interval table |
| Full cure time Parameters after mixing | 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
Surface roughness 30–75 µm (1.2–3.0 mils).
ISO 8501-1 Sa 2½ with a roughness of 30–75 µm (1.2–3.0 mils), or power tool cleaned to Pt 3 per SSPC standard.
IMO resolution MSC.215(82) on the technical requirements for ballast tanks
in), or 3-pass chamfer grinding.
Sa 2½ (ISO 8501-1), with surface roughness 30–75 µm (1.2–3.0 mils): [1] For intact shop primer with an IMO PSPC type approval certificate, no additional requirement: [2] For shop primer without an IMO PSPC type approval certificate, blast clean the intact shop primer to Sa 2 (ISO 8501-1), removing at least 70% of the shop primer film, with surface roughness 30–75 µm (1.2–3.0 mils).
(only for large dust particles of size classes 3, 4, 5; any small dust particles visible to the naked eye must also be removed)
otherwise, additional thinner may be required to adjust the paint viscosity to a suitable application state.
| Induction Time | Not required |
|---|
8 h at 20 °C (68 °F). Note: refer to supplementary data — pot life
| Recommended thinner | Thinner 91-92 |
|---|---|
| Thinner quantity | 0–10%, depending on the required film thickness and application conditions |
| Nozzle tip size | 1.5–2.0 mm (approx. 0.060–0.079 in) |
| Nozzle pressure | 0.3–0.4 MPa (approx. 3–4 atm; 44–58 psi) |
| Recommended thinner | Thinner 91-92 |
|---|---|
| Thinner quantity | 0–10%, depending on the required film thickness and application conditions |
| Nozzle pressure | 15.0 MPa (approx. 150 atm; 2176 psi) |
|---|
| Recommended thinner | No thinner required |
|---|---|
| Thinner quantity | If required on site, up to 5% by volume of Thinner 91-92 may be added. |
| Cleaning solvent | Thinner 90-53 |
| Dry Film Thickness | Theoretical Spreading Rate |
| 50 µm (2.0 mils) | 11.4 m²/L (457 in²/US gal) |
| 75 µm (3.0 mils) | 7.6 m²/L (305 in²/US gal) |
| 100 µm (4.0 mils) | 5.7 m²/L (229 in²/US gal) |
Note: maximum dry film thickness for brush application: 50 µm (2.0 mils). Overcoating interval for a coating with 100 µm (4.0 mils) dry film thickness
| 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) |
| Compatible for overcoating | Minimum time | 16 h | 10 h | 5 h | 3 h | 2 h |
| Suitable subsequent coat types: | Maximum time | 21 days | 10 days | 7 days | 4 days | |
| 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 time | 36 h | 16 h | 8 h | 6 h | 4 h |
| Epoxy or polyurethane topcoat | Maximum time of exposure to sunlight-exposed environments | 3 months | 2 months | |||
| Maximum time of exposure to environments without direct sunlight | 6 months | 4 months | 3 months | |||
| Notes | The surface must be clean, dry and free of all contaminants. |
|---|
| Substrate Temperature | Surface Dry | Fully hard dry | Fully cured |
| 5 °C (41 °F) | 8 h | 13 h | 21 days |
| 10 °C (50 °F) | 4 h | 6 h | 14 days |
| 20 °C (68 °F) | 2 h | 2.5 h | 7 days |
| 30 °C (86 °F) | 1 h | 1.5 h | 5 days |
| 40 °C (104 °F) | 45 min | 1 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 |
| 15 °C (59 °F) | 10 h |
| 20 °C (68 °F) | 8 h |
| 30 °C (86 °F) | 5 h |
| 35 °C (95 °F) | 4 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.
| Clause code | Colour reference information |
|---|
| 179083 | Yellow green (yellow/green) | 4009002200 (144497 base, 142014 hardener) |
| 179085 | Red-brown (Redbrown) | 6137002200 (144493 base, 142014 hardener) |
The PPG Logo, Bringing innovation to the surface., and other PPG marks are property of the PPG group of companies. All other third-party marks are property of their respective owners.
For more Q&A on selection, application, acceptance and defect diagnosis, seeFAQsection.
Packaging specifications and batch lead times are subject to actual availability. PleaseContact Uscontact us for project-based calculation.
