SIGMADUR 540 Gloss Acrylic Epoxy Topcoat 540 is an epoxy coating used as a topcoat. Two-component high-gloss low-VOC epoxy-modified acrylic topcoat. Even after prolonged exterior weathering it can still be overcoated with subsequent coats. Specifications on this page: volume solids 54 ± 2%, DFT 50-60 µm (2.0-2.4 mil) depending on system requirements, theoretical spreading rate 10.8 m²/L. Comparable products of the same brand and type: SIGMADUR 540 Gloss Acrylic Epoxy Topcoat 540, AMERCOAT 220 Waterborne Acrylic Topcoat 220, PHENGUARD 940 Phenolic Epoxy Topcoat 940.
Source: PPG original technical data sheet (TDS) 'SIGMADUR 540 High-gloss Acrylic Epoxy Topcoat 540'. Spreading rate and other values converted from the TDS; for 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 | 54 ± 2% |
|---|---|
| Dry Film Thickness | 50–60 µm (2.0–2.4 mils) depending on coating system requirements |
| Theoretical Spreading Rate | 10.8 m²/L |
| VOC | Max 324.0 g/kg (EU Directive 1999/13… |
| Density / Specific Gravity | 1.3 kg/L (10.8 lb/US gal) |
| Number of Components | Two-component |
| Thinner | Thinner 91-92 |
A two-component, high-gloss, low-VOC epoxy-modified acrylic topcoat.
| Number of Components | Two-component |
| Density | 1.3 kg/L (10.8 lb/US gal). |
| Volume solids | 54 ± 2% . |
| VOC (as supplied) | Max 324.0 g/kg (EU Directive 1999/13/EC, SED). |
UK PG 6/23(92) Annex 3: max 411.0 g/L (approx. 3.4 lb/US gal).
| Recommended dry film thickness | 50–60 µm (2.0–2.4 mils) depending on coating system requirements. |
| Theoretical Spreading Rate | 10.8 m²/L at 50 µm (433 ft²/US gal at 2.0 mils). |
| Touch Dry | 2 h. |
| Full cure time | 7 days. |
| Storage shelf life | Base: at least 36 months; store in a dry and cool environment. |
Curing agent: at least 12 months; store in a dry and cool environment.
Adjust the paint viscosity to a state suitable for application.
Not required.
| Pot life | 6 h at 20 °C (68 °F). |
|---|---|
| Notes | See supplementary parameters — pot life after mixing. |
| Recommended thinner | Thinner 91-92. |
|---|---|
| Thinner quantity | 5–10%, depending on the required film thickness and application conditions. |
| Nozzle tip size | 1.0–1.5 mm (approx. 0.040–0.060 in). |
| Nozzle pressure | 0.3–0.4 MPa (approx. 3–4 atm; 44–58 psi). |
| Recommended thinner | Thinner 91-92. |
|---|---|
| Thinner quantity | 0–5%, depending on the required film thickness and application conditions. |
| Nozzle tip size | Approx. 0.38–0.46 mm (0.015–0.018 in) |
| Nozzle pressure | 15.0 MPa (approx. 150 atm; 2176 psi). |
Note: to optimize topcoat film formation for a decorative appearance, thin 10% by volume on site, use a small nozzle tip of 0.28–0.38 mm (0.011–0.015 in), and air-assisted airless spray equipment.
| Recommended thinner | Thinner 91-92. |
|---|---|
| Thinner quantity | 0 - 5% . |
| Cleaning solvent | Thinner 91-92 |
| Dry Film Thickness | Theoretical Spreading Rate |
| 50 µm (2.0 mils) | 10.8 m²/L (433 ft²/US gal) |
| 60 µm (2.4 mils) | 9.0 m²/L (361 ft²/US gal) |
| Subsequent coat for recoating | Recoat interval | 5 °C | 10 °C | 20 °C | 30 °C |
| (41 °F) | (50 °F) | (68 °F) | (86 °F) | ||
| Self-recoat | Minimum recoat interval | 24 h | 16 h | 8 h | 6 h |
| Maximum recoat interval | Unlimited | ||||
| Notes | The surface must be clean, dry and free of all contaminants. |
|---|
| Substrate Temperature | Hard dry | Fully cured |
| 5 °C (41 °F) | 22 h | 14 days |
| 10 °C (50 °F) | 16 h | 12 days |
| 20 °C (68 °F) | 10 h | 7 days |
| 30 °C (86 °F) | 6 h | 4 days |
| Notes | During application and curing, ensure continuous, adequate ventilation (see Safety Sheet 1433 and Information Sheet 1434). |
|---|
| Mixed paint temperature | Pot life |
| 10 °C (50 °F) | 10 h |
| 20 °C (68 °F) | 6 h |
| 30 °C (86 °F) | 3 h |
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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.
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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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