PPG AQUACOVER 2560 Waterborne Epoxy Zinc Phosphate Primer

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Introduction

Two-component water-borne epoxy zinc phosphate primer cured with polyamine adduct.

Key properties

• Epoxy primer for conventional protective coating systems on steel structures under atmospheric exposure.
• Particularly suitable for situations where solvent-borne coatings are not permitted for health and safety reasons.
• Suitable for the fast-curing requirements of shop fabrication and assembly stage application.
• VOC highly compliant.
• The subsequent coat can be most dispersion-type coatings, alkyd paints and two-component high-performance topcoats.
• Easy to apply, suitable for (airless) spray, roller and brush.

Colour and gloss

• Available in a few colours.
• Eggshell

Basic data 20 °C (68 °F)

Parameters after mixing

6.7 m²/L for 75 µm (267 ft²/US gal for 3.0 mils).

Maximum time: 6 months.

Curing agent: at least 12 months; store in a dry and cool environment.

Notes

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

Recommended substrate condition and temperature

Substrate condition

• Before overcoating this product, ensure that the previous primer coat on the steel surface is compatible, and that the surface is clean and dry, free from any contaminants, and within the specified overcoating interval.
• The condition of galvanized surfaces may vary; the recommended preferred method is to remove oil/grease and clean the surface, followed by a light sweep blast cleaning.
• Concrete: the surface must be fully cured, clean and dry, free from spalling or powdering.

Substrate temperature and application conditions

• During application and curing, the substrate temperature should be above 10 °C (50 °F)
• During application and curing, the substrate temperature must be at least 3 °C (5 °F) above the dew point.
• During application and curing, the relative humidity shall not exceed 75%

Instructions for use

Volume mixing ratio: base to hardener 11.5:1

• Adequate continuous ventilation must be ensured during application and coating curing (refer to Tables {1433} and {1434}).
• Shall be protected from freezing during storage and/or transport.
• Excessive dilution (with water) will inevitably reduce the sag resistance of the wet film and slow down the curing speed.
• Before application, raise the temperature of the base, curing agent or mixed paint to above 15 °C (59 °F); otherwise, additional thinner may be required to adjust the paint viscosity to a suitable application state.
• Pour the base and hardener into a clean container and stir; slowly add the powder under low-speed stirring, then stir at high speed until completely homogeneous. An appropriate amount of water may be added to provide suitable application viscosity.

Induction Time

10 min

Notes

• See supplementary parameters — pot life after mixing.

Air spray

Airless spray (single-feed pump)

Brush/roller

Cleaning procedure

• TRANSLATION MISSING

Table 1: Equipment cleaning procedure for switching from solvent-borne to water-borne coatings

Table 2: Equipment cleaning procedure for switching from water-borne to solvent-borne coatings

Supplementary parameters

Recoat time for a coating at 100 µm (4.0 mils) dry film thickness

5500.

Curing time for a 100 µm (4.0 mil) dry film thickness

Pot life (at normal application viscosity)

Safety Precautions

• Although this is a water-borne coating, avoid inhaling spray mist and its vapours, and avoid skin and eye contact with the paint as far as possible.
• Refer to the Material Safety Data Sheet and product package labelling for full details of the stated safety precautions and protective measures

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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