SIGMAFAST 210 HS Zinc Phosphate Polyurethane Primer/Topcoat

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Introduction

Two-component high-solids high-build zinc phosphate polyurethane primer/topcoat.

Key properties

• For moderate atmospheric corrosion environments (ISO 12944-2 C1–C4H), it may be applied directly to metal substrate surfaces as a single-coat system.
• Suitable for the fast-curing requirements of shop fabrication and assembly stage application.
• Good colour and gloss retention.
• Curing temperature may be as low as −5 °C (23 °F).
• Adding the dedicated drier PPG 866M can significantly shorten the drying and curing times of the coating.
• ACQPA 39131 certified.

Colour and gloss

• A wide range of colours is available through PPG's automated tinting system.
• Semi-gloss

Basic data 20 °C (68 °F)

Parameters after mixing

Maximum 349.0 g/L (approx. 2.9 lb/gal) (theoretical calculated value).

6.7 m²/L at 100 µm (269 ft²/US gal at 4.0 mil).

Maximum time: unlimited.

Curing agent: at least 24 months; store in a dry and cool environment.

Notes

• See the supplementary data sheet — theoretical spreading rate versus dry film thickness table.
• See supplementary parameters — recoat interval table.
• See supplementary parameters table — curing time table.

Recommended substrate condition and temperature

Bare steel

• Bare steel: abrasive blast cleaning to Sa2½ of ISO 8501-1 or SP6 of SSPC, with a profile of 40–70 µm (1.6–2.8 mil); or power-tool cleaning at least to St3 of ISO 8501-1 or SP3 of SSPC.

Primed or previously coated steel surfaces

• The compatible previous coat must be clean, dry and free of all contaminants.
• Before recoating an existing coating, roughen the surface sufficiently if necessary.
• When used as a subsequent coat over inorganic zinc silicate primer, apply a thin mist coat of sealer first, then apply the full coat.

Galvanised surfaces

• Surface preparation must be carried out properly; the surface must be dry, clean and free of contaminants before application.
• The surface must be fully and thoroughly roughened by sweep blasting to a uniform semi-matt appearance.
• Sweep blast cleaning must meet SSPC-SP 16.

Aluminium alloy

• Surface preparation must be carried out properly; the surface must be dry, clean and free of contaminants before application.
• Sweep blast cleaning must meet SSPC-SP 16.

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, the substrate temperature may be as low as -5 °C (23 °F), provided the substrate is ice-free and dry.
• During application and curing, the relative humidity should not exceed 85%

Instructions for use

Mixing ratio by volume: base : curing agent 9:1

• Ensure the mixed paint temperature of the base and curing agent is above 10 °C (50 °F); otherwise, additional thinner may be required to adjust the paint viscosity to a state suitable for site application.
• Excessive thinning may reduce the sag resistance of the wet film, slow hard drying and even reduce strength.
• The thinner should be added after the two components are mixed.

Notes

• See supplementary parameters — pot life after mixing.

Air spray

Recommended thinner

THINNER 21-06

• THINNER 90-53

Supplementary parameters

Film thickness and theoretical spreading rate

Recoat time for a 120 µm (4.7 mil) dry film

Recoat interval schedule for a 120 µm (4.7 mil) dry film after adding drier PPG 866M.

Notes

• The surface must be clean, dry and free of all contaminants.

Curing time for a 120 µm (4.7 mil) dry film

Curing schedule for a 120 µm (4.7 mil) dry film after adding drier PPG 866M.

Notes

• Adequate and continuous ventilation must be maintained during application and curing of the coating.
• The coating must not be exposed to rain or surface condensation too early, otherwise its colour and gloss may change.

Pot life (at normal application viscosity)

Notes

• After adding the drier PPG 866M, the pot life of the paint is usually affected.

Safety Precautions

• Refer to the Material Safety Data Sheet and product package labelling for full details of the stated safety precautions and protective measures
• This is a solvent-borne coating. Avoid inhaling spray and solvent vapours, and avoid contact of uncured paint with skin and eyes

Worldwide applicability

Although PPG Protective & 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

• Information sheet | Explanation of product data sheets

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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