PPG STEELGUARD 651 Interior Intumescent Steel Fire Protection 651

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Introduction

A single-component, thin-film, water-borne intumescent fire protection coating for structural steel.

Key properties

• Provides up to 120 minutes of fire protection for structural steel in cellulosic fires.
• Applied on site.
• A single coat can achieve a dry film thickness of up to 700 µm (28 mil).
• Suitable for interior environments C1, C2 and C3 (corrosivity categories defined by ISO 12944); for the dry interior environment C1, no external topcoat is required.
• Authoritatively tested and confirmed to comply with EN 13381-8, BS 476-20/21 and Chinese national standard GB 14907.
• CE-certified product, ETA 20/1120
• Assessed per ETAG 018-2 to durability categories Z1, Z2 and Y.

Colour and gloss

• White.
• Flat

Basic data at 20 °C (68 °F)

Product parameters

EU Directive 2004/42/IIA(i)(140): 3 g/L.

Maximum time: unlimited.

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.
• The dry film thickness of the coating must comply with the requirements of the product type approval certificate.
• Store in a dry environment, away from direct sunlight, with the ambient temperature between 10 °C (50 °F) and 30 °C (86 °F). Low-temperature storage may

shorten the effective storage life; the paint must never be frozen.

Recommended substrate condition and temperature

• Must be a compatible primer; the coating must be sound, clean, dry and free of all contaminants.

Substrate temperature and application conditions

• During application and curing, the substrate temperature should be maintained between 10 °C (50 °F) and 40 °C (104 °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 ambient temperature shall be controlled between 10 °C (50 °F) and 40 °C (104 °F).
• During application and curing, ensure the ambient relative humidity does not exceed 80%.

Note: excessive film thickness will extend drying/curing time. Note that at flange/mesh interfaces, over-thick film can develop hairline microcracks. However, such fine cracks do not affect the fire protection performance.

Instructions for use

• Stir thoroughly until fully homogeneous with no lumps.
• Adding excessive water for thinning reduces the sag resistance of the wet film and slows curing of the coating.
• Shall be protected from freezing during storage and/or transport.

Airless spray (single-feed pump)

Spray fan angle

20–50°, depending on the shape of each area.

Notes

• All filters, including those in the pressure regulator and inside the spray gun, must be removed.
• Recommended external line pick-up fluid filter.

Brush/roller

• For local small-area application only (repair and touch-up).

Supplementary parameters

Film thickness and spreading rate

Recoat interval table for a coating at 700 µm (28.0 mils) dry film thickness

Notes

• All overcoating times are tested at a wet film thickness of 1000 µm (approx. 700 µm DFT), under controlled temperature and a relative humidity below 85%.

Higher film thicknesses require longer curing times.

• When applying the next coat, ensure the coat is dry, i.e. a coating thickness gauge leaves no mark on the surface.

Curing times/overcoating intervals may be extended with higher film thickness and/or changing environmental conditions.

• Ensure the coat has reached the specified dry film thickness before applying the topcoat.

Curing time table for a coating at 700 µm (28.0 mils) dry film thickness

Safety Precautions

• For the coating and its recommended thinners, see Safety Sheets 1430 and 1431 and the relevant Material Safety Data Sheet.
• 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.

Reference information

• For application guidance for the STEELGUARD™ fire protection range, refer to Information Sheet 1222.
• For the approved compatible primers for the STEELGUARD™ fire protection range, refer to Information Sheet 1224.
• For the approved compatible topcoats for the STEELGUARD™ fire protection range, refer to Information Sheet 1226.
• 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 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.