SIGMAZINC 102 HS Epoxy Zinc-rich Primer 102 HS

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Key properties

• A good primer for use with high-solids epoxy intermediate coats
• Primer suitable for use in multiple coating systems
• Good anti-corrosion performance
• Fast drying, allowing the subsequent coat to be applied within a short time.
• Complies with the Level 3 zinc dust content in the dry film requirements of SSPC Paint 20

Colour and gloss

• Grey, red-brown
• Flat

Basic data at 20 °C (68 °F)

Parameters after mixing

Maximum 286.0 g/L (approx. 2.4 lb/gal) (theoretical calculation)

Maximum time: 3 months

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

Immersion environment

• Bare steel; abrasive blast cleaning to Sa2½ of ISO 8501-1, surface roughness 40–70 µm (1.6–2.8 mil)
• On steel surfaces shot-blast pre-treated and coated with confirmed compatible inorganic zinc silicate shop primer, only sweep blasting to grade Ss of the SPSS standard is required.

Atmospheric exposure environment

• Bare steel: abrasive blast clean to Sa 2½ (ISO 8501-1), with surface roughness of 40–70 µm (1.6–2.8 mils).
• Confirmed compatible inorganic zinc silicate shop primer: sweep blast to grade Ss (SPSS) or prepare with power tools to Pt3 (SPSS)

Substrate temperature and application conditions

• 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 = 80 : 20

• Before application, the temperature of the base and curing agent components, or of the mixed paint, should be brought to 15 °C (59 °F) or above; otherwise additional thinning may be required

to adjust the paint viscosity to a state suitable for application.

• Excessive thinning may reduce the sag resistance of the wet film and slow curing.
• 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 100 µm (4.0 mils) dry film thickness

Notes

• Zinc salts form on zinc-rich primer surfaces; before overcoating, the coating shall not be exposed outdoors for prolonged periods.
• In clean interior atmospheres, the interval before applying the next coat may extend to several months.
• If the coating is used in industrial and marine atmospheric environments, or where a long overcoating interval is required, it is recommended to apply a suitable

sealer as soon as the minimum overcoating time is reached.

• Before coating, surface cleaning may be carried out by high-pressure water washing, wet blasting, abrasive sweep blasting or other mechanical cleaning, to remove visible contamination.

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

Notes

• Epoxy Zinc-rich Primer 102HS can be applied at ambient temperatures from 5°C (41°F) to 10°C (50°F), but curing may be significantly slower.
• For application under these conditions, an alternative zinc-rich primer such as SIGMAZINC 19 or fast-drying composite epoxy zinc dust paint 302 may be used.
• During application and curing, ensure continuous, adequate ventilation (see Safety Sheet 1433 and Information Sheet 1434)

Safety Precautions

• 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
• 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 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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