SIGMAZINC 11 Epoxy Zinc-rich Primer 11

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Key properties

• A heavy-duty anticorrosive primer requiring only one coat
• High corrosion protection performance
• The coating resists dry heat up to 400 °C (750 °F) in dry environments

Colour and gloss

• Grey
• Flat

Basic data at 20 °C (68 °F)

Parameters after mixing

UK PG 6/23(92) Annex 3: max 559.0 g/L (approx. 4.7 lb/US gal)

See the recoat interval table

Notes

• See supplementary parameters — recoat interval table
• See supplementary parameters table — curing time table

Recommended substrate condition and temperature

Bare steel

• Bare steel: abrasive blast-clean to Sa 2½ of ISO 8501-1 or SSPC-SP10, with a surface profile of

35–65 µm (1.4–2.6 mils).

• The confirmed compatible previous coat must be clean, dry and free of all contaminants.

Substrate temperature and application conditions

• During application and curing, the substrate temperature must be at least 3 °C (5 °F) above the dew point
• During application and curing, keep the relative humidity between 50% and 95%.

Instructions for use

• Stir thoroughly before use
• Before application, raise the temperature of the components or the mixed paint to above 15 °C (59 °F); otherwise, thinner may need to be added to bring the paint viscosity

adjust to a state suitable for application.

• Excessive thinning generally reduces the sag resistance of the wet film
• During application and curing, ensure continuous, adequate ventilation (see sheets {1433} and {1434})

Air spray

Airless spray (single-feed pump)

Nozzle tip size

Approx. 0.43 mm (0.017 in)

Brush/roller

Supplementary parameters

Recoating interval table for a 65 µm (2.6 mils) dry film

Notes

• Zinc salts form on the surface of zinc-powder primers; do not expose outdoors too long before overcoating.
• In clean interior atmospheres, the interval before applying the next coat may extend to several months.
• In a clean outdoor environment, the maximum continuous exposure interval is 14 days, but in industrial or marine atmospheres the interval should be shortened accordingly.
• Before recoating, any visible contamination must be removed by high-pressure water washing, sweep blasting or power tool preparation, as appropriate.

Curing time table for a 65 µm (2.6 mils) dry film

Notes

• The drying time of the coating depends on the ambient air temperature and substrate surface temperature, and film thickness, ventilation and relative humidity.
• Times are longer at lower temperatures and shorter at higher temperatures.

Safety Precautions

• For the coating and its recommended thinners, see Safety Sheets 1430 and 1431 and the relevant Material Safety Data Sheet
• This is a solvent-borne coating. Avoid inhaling spray mist and solvent vapours, and avoid contact of uncured paint with skin and eyes.

Worldwide

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.

Reference information

• For product data, refer to Information Sheet 1411
• For safe working in confined spaces, refer to Information Sheet 1433
• For ventilation guidance, refer to Information Sheet 1434
• For steel surface preparation, refer to Information Sheet 1490

Quality guarantee

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!

Limitation of liability

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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