PPG Amercoat 71 Primer (Formerly SigmaCover 577) is a two component polyamide cured epoxy sealer designed to be used as a metal primer ready for the application of a decorative topcoat.
PPG Amercoat 71 Primer (Formerly SigmaCover 577) is highly adhesive and works to help topcoats adhere to the surface more effectively, however can also be used as a finishing coating itself, available in red oxide and off white.
PPG SigmaCover 577 can be used as a sealer coat in Steelguard intumescent coating systems but is primarily designed to be used as a primer on steel, galvanised steel, and non-ferrous metals to offer excellent adherence to the substrate.
PPG SigmaCover 577 can be applied using brush, roller and air/airless spray to produce a high quality coating to a variety of metal substrates. SigmaCover 577 is part of the fantastic range of SigmaCover products that offers a fast drying time of just 2 hours, which offers business owners the opportunity to minimise downtime. SigmaCover 577 has a theoretical coverage rate of 5-10m2 depending on the surface you use it on.
Surface and Environment
PPG SigmaCover 577 can be used in construction, commercial and industrial exposures, internally or externally, on a variety of steel and non-ferrous metal appliances. This product offers high adhesion and is best used as a primer to be coated over with a range of different SigmaCover topcoats
- PPG Amercoat 71 Primer (Formerly SigmaCover 577)
- Two component polyamide cured epoxy sealer.
- Sealer coat in Steelguard intumescent coating systems.
- Good adhesion to steel and galvanised steel.
- Good adhesion to non ferrous metals.
- Good flow and wetting properties
|Type:||Polyamide Cured Epoxy Primer|
|Stock Colours:||Oxide Red|
|VOC Content:||358.0g per Litre|
|Suitable Substrates:||For steel, galvanised steel, aluminium|
|Application Method:||Brush, Roller, Air Atomised Spray or Airless Spray|
|Theoretical Coverage:||10.2 m2 per litre at 50 microns|
|Wet Film Thickness (WFT):||-|
|Dry Film Thickness (DFT):||50 microns|
|Pot Life:||8 hours at 20°C|
|Touch Dry:||3 hours at 20°C|
|Overcoatable:||Minimum 4 hours at 20°C|
|Cleaner / Thinner:||PPG Thinner 91-83|
|Shelf Life:||24 months when stored cool and dry on both parts|
|Packaging:||Available in 20 Litres|
The manufacturers data sheets are available for download from this website. It is your responsibility to read and understand all aspects of the data sheets before you place an order and prior to application. Please pay special attention to the preparation, mixing and application temperatures of the product, cleaning of substrate and environmental factors such as temperature, rain etc. Quoted coverage rates are based on the manufacturers theoretical rates and may vary depending upon substrates absorption, texture and application. We always recommend a test is carried out to ensure suitability.
Customer further agrees that Promain have no liability for any errors or omissions contained within the Product Data Sheets and are not liable for failure due to misapplication or inadequate substrate cleaning and preparation. For more information please refer to our Terms & Conditions.