SIGMASHIELD PRIME LT Multi-purpose Abrasion-resistant Epoxy Primer PRIME LT (Winter Grade)

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Introduction

A high-end epoxy protective coating for dry cargo holds based on second-order crosslinked prepolymer curing technology, with extremely good resistance to mechanical damage, heat and corrosion.

Key properties

• A two-component amine-cured high-molecular epoxy coating with very fast drying and curing, allowing the coating to be put into service very soon after application.
• Excellent anti-corrosion performance and very low defect propagation rate.
• High abrasion and impact resistance.
• Retains excellent resistance to impact and gouging abrasion even under heat

Colour and gloss

• Red-brown and grey.
• Eggshell.

Basic data at 10 °C (50 °F)

Parameters after mixing

Maximum 399.0 g/L (approx. 3.3 lb/gal) (theoretical calculated value).

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

• The surface shall be clean, with all oil, grease, soluble salts and other contaminants removed.
• Bare steel: blast cleaning to Sa2½ of ISO 8501-1, with a profile of 30–75 µm, or to St3 of ISO 8501-1.
• Shop-primed steel: prepared to Pt3 of the SPSS standard.
• Coated steel surfaces: high-pressure water jetting to SSPC VIS WJ2L (roughness 30–75 µm).

Substrate temperature and application conditions

• During application and curing, the relative humidity must not exceed 85%.
• 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 = 80 : 20.

• 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 and slow hard drying.
• The thinner should be added after the two components are mixed.

Induction Time

Not required.

Air spray

Airless spray (single-feed pump)

Brush/roller

Supplementary parameters

Film thickness and spreading rate

Recoat interval for a coating at 150 µm (6.0 mils) dry film thickness

Curing time table for a coating at 150 µm (6.0 mils) dry film thickness

Pot life after mixing (at suitable application viscosity)

• 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 the conversion table, refer to Information Sheet 1410.
• For product data, refer to Information Sheet 1411.
• For safety guidance, refer to Information Sheet 1430.
• For safety and health in confined spaces and explosion hazard — toxic hazard, refer to Information Sheet 1431.
• 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 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.

The PPG logo, and all other PPG marks are property of the PPG group of companies. All other third-party marks are property of their respective owners.