PHENGUARD 935 Phenolic Epoxy Intermediate 935

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Introduction

A two-component, high-build, amine-adduct-cured novolac phenolic epoxy.

Key properties

• The second coat of the PHENGUARD special coating series phenolic epoxy coating system.
• Excellent resistance to a wide range of organic acids, alcohols, edible oils, fats (regardless of free fatty acid content) and solvents.
• Suitable for a wide range of chemical cargoes.
• Low absorption of the cargo carried.
• Good resistance to hot water.
• A widely recognised corrosion protection coating (Lloyd's Register certified).
• Good application properties and smooth coating surface.

Colour and gloss

• Pink.
• Eggshell.

Basic data at 20 °C (68 °F)

Parameters after mixing

Maximum 315.0 g/L (approx. 2.6 lb/gal) (theoretical calculated value).

Maximum time: 21 days.

Curing agent: at least 12 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 of the previous coat (phenolic epoxy primer 930) must be clean and dry, with all contaminants removed.
• Before and during application of Phenolic Epoxy Intermediate Coat 935, the substrate must be kept completely dry.

Substrate temperature and application conditions

• During application and curing, the substrate temperature must 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.

Coating system specification

• PHENGUARD 930 (off-white): 100 µm (4.0 mils).
• PHENGUARD 935 (pink): 100 µm (4.0 mils).
• PHENGUARD 940 (grey): 100 µm (4.0 mils).

Instructions for use

Mixing ratio by volume: base : curing agent = 88 : 12.

• 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

Adjust the paint viscosity to a state suitable for 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

Allow the necessary pre-reaction (induction) time before full application.

Induction time after mixing

Air spray

Airless spray (single-feed pump)

Brush/roller

Supplementary parameters

Film thickness and spreading rate

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

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

Notes

• PHENGUARD special phenolic epoxy coating systems: minimum curing time before loading and carrying cargoes with notes 4, 7, 8 or 11: 3 months.
• For detailed descriptions and notes on cargoes (chemicals) that may be carried, refer to the latest published cargo resistance list for the tank coating system (chemical resistance list).
• Coating systems intended for carrying and storing methanol and vinyl acetate monomer must be heat-cured, and cannot be achieved by carrying non-corrosive cargoes continuously for the first 3 months of the initial service period

to replace subsequent heat curing.

• During application and curing, ensure continuous, adequate ventilation (see Safety Sheet 1433 and Information Sheet 1434).
• The performance of the coating system depends largely on the degree of cure of the first coat. Therefore, the recoat interval between the first and second coats should be longer than between the second and

The recoat interval between the three coats should be longer (see the recoat interval table).

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 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 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.