PPG SIGMASHIELD 1090 Solvent-free Quartz-filled Epoxy Coating 1090

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Key properties

• Sprayable solvent-free mastic-type epoxy coating
• The coating provides extremely strong water impermeability and excellent anti-corrosion performance.
• Suitable for the protection of steel structures and concrete structures
• Excellent impact and abrasion resistance
• Excellent adhesion of the coating under both dry and wet conditions
• Good water resistance, and resistant to splashing of weakly corrosive chemicals
• Immersion in water is possible 30 min after completion of application.
• Highly rough surface profile
• Suitable for deck surfaces subject to frequent high-intensity impact and abrasion

Colour and gloss

• White (other colours customised to requirements)
• Flat

Basic data at 20 °C (68 °F)

Parameters after mixing

Maximum 68.0 g/L (approx. 0.6 lb/gal) (theoretical calculation)

Maximum: 30 days

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

Substrate condition

• Steel: abrasive blast cleaning to Sa2½ of ISO-8501-1, surface roughness 75–100 µm (3.0 – 4.0 mil)
• Concrete: abrasive blast cleaning to remove all laitance

Substrate temperature and application conditions

• Moisture content of the concrete substrate shall not exceed 4% (carbide method)
• During application and curing, the substrate temperature must be above 5 °C (41 °F)
• During application and curing, the substrate temperature must be at least 3 °C (5 °F) above the dew point

Instructions for use

Mixing ratio by volume: base : curing agent = 90.4 : 9.6

• Do not prepare a quantity of paint that cannot be used within 30 min
• When mixing two-component paint, the temperature of the mixed base and curing agent shall be controlled at approx. 20°C (68°F).
• Stir with a power mixer
• Add the curing agent while stirring the base
• Stir rapidly and thoroughly until uniformly mixed.

Induction Time

Not required

Application

• The sprayable mortar coating is a high-viscosity fluid; during application the mixed paint must be conveyed from the container to the mortar spray gun or high-pressure airless spray gun.
• Therefore 3/4–1 in high-pressure hoses should be used (for airless spray, use a 5/8 in hose at the gun connection only)
• The high-pressure hose shall have a sufficiently large diameter, be as short as possible and contain no obstructions. Otherwise the film-forming base (resin) is squeezed out and separates from the mortar, and the dry sand

then settles and deposits.

Low-pressure spray pump

• Use a rocking-type paint pump, such as the "Fizom A112" complete application equipment from "Swinger Pump" (USA).

Feed-type piston paint pump

• Spray equipment should be selected such as the Caroussel rotary paint pump and spray equipment from "Quick Spray" (Quick Spray coating equipment manufacturer, located in Ohio, USA

Port Clinton)

Pressure vessel

• Pressure vessel with pressure lid and bottom outlet
• Container capacity shall not exceed 25 L
• Containers and hoses must be pre-wetted with No. 200 solvent, i.e. turpentine, before use
• Hose (diameter 25 mm = approx. 1 in) length should not exceed 7 m. Two hoses of 3.5 m each should be prepared.
• For application at low temperatures, hoses must be thermally insulated.

Trowel

• Damaged areas of the coating shall first be locally abrasive blast cleaned, then repaired with solvent-free quartz epoxy 1090 applied by trowel or putty knife.
• Dense internal voids, pores and crevices exposed on concrete surfaces shall be repaired with solvent-free quartz epoxy 1090 by trowel or putty knife.
• Large areas may be sprayed again with a large-bore spray gun (e.g. Putzmeister); such guns can spray coarse-particle mortar-type coatings.

Remark: other suitable application methods may also be tried; consult the nearby PPG Protective & Marine Coatings field technical service representative.

Notes

• All application equipment must be cleaned immediately after use
• Insert fiber sponge at the hose inlet, add 90-53 thinner and flush forcefully; repeat several times if necessary.

Supplementary parameters

Film thickness and spreading rate

Recoat interval schedule for coatings at DFT 4000 µm (160.0 mil)

Notes

• The surface must be clean, dry and free of all contaminants.
• Normally the minimum recoat interval of solvent-free epoxy is 1 day, or wet-on-wet continuous immediate overcoating may be used.

Curing time schedule for coatings at DFT 4000 µm (160.0 mil)

Note: ensure continuous, adequate ventilation during application and curing (see Safety Sheet 1433 and Information Sheet 1434). Pot life after mixing (at suitable application viscosity)

Safety Precautions

• Although solvent-free, the coating must be handled with care; avoid inhaling spray mist and contact of uncured paint with skin and eyes.
• For the coating and its recommended thinners, see Safety Sheets 1430 and 1431 and the relevant Material Safety Data Sheet
• In confined spaces, provide adequate ventilation to maintain good visibility.

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 the conversion table, refer to Information Sheet 1410
• For product data, refer to Information Sheet 1411
• For safety guidance, refer to Information Sheet 1430
• Safety and health in confined spaces | explosion hazard — toxic hazard: refer to Information Sheet 1431
• 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
• For mineral abrasive specifications, refer to Information Sheet 1491
• For concrete (floor) surface preparation, refer to Information Sheet 1496
• For relative humidity, substrate temperature and air temperature, refer to Information Sheet 1650

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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