SIGMAPRIME 700 HSV High-solids Multi-purpose Epoxy Coating 700 HSV LT (Winter Grade)

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Introduction

A multifunctional general-purpose epoxy anticorrosive primer based on pure epoxy technology.

Key properties

• A general-purpose pure epoxy primer for use in coating systems for cargo oil tanks, ballast water tanks, hull exteriors, topsides, decks, superstructures and other areas.
• Excellent abrasion resistance in the intended service environment.
• Good adhesion to non-ferrous metals, galvanized steel and steel plate surfaces.
• Good wetting and levelling properties.
• Good water resistance and anticorrosive performance.
• Curing is possible at temperatures down to -10 °C (14 °F).
• Suitable for repair of welds and damaged epoxy coatings during construction.
• Excellent recoatability.
• May be overcoated with most alkyd, chlorinated rubber, vinyl, epoxy and two-component polyurethane topcoats.
• Also suitable for wet-blasted surfaces (damp or dry).
• Compatible with precisely designed cathodic protection systems.

Colour and gloss

• Grey, yellow/green and red-brown.
• Eggshell.

Basic data at 10 °C (50 °F)

Product parameters

5.2 m²/L at 160 µm (211 ft²/US gal at 6.3 mil).

Curing agent: at least 24 months; store in a dry and cool environment.

Notes

• See supplementary parameters — recoat interval table.
• See supplementary parameters table — curing time table.
• See the supplementary data sheet — theoretical spreading rate versus dry film thickness table.

Recommended substrate condition and temperature

Immersion environment

• Bare steel or steel coated with unapproved inorganic zinc silicate shop primer; abrasive blast clean to Sa 2½ (ISO 8501-1), with roughness 30–75 µm

(1.2–3.0 mils).

• Surfaces coated with a confirmed compatible inorganic zinc silicate shop primer: weld seams and areas where the shop primer is damaged or failed should be abrasive blast cleaned to

Sa 2½ of international standard ISO 8501-1, with a roughness of 30-75 µm (1.2-3.0 mil); in some cases, power tool preparation to Pt3 of SSPC may also be accepted.

• The previous coat must be clean, dry and free of all contaminants.
• When the substrate temperature falls to freezing point, check that the entire surface is free of ice.

IMO-MSC.215(82) applies to seawater ballast tanks and IMO-MSC.288(87) applies to cargo oil tanks of crude oil tankers (specified areas only):

• Bare steel: structural preparation must be carried out before coating, to P2 of international standard ISO 8501-3:2006, with edges ground to a smooth radius of at least 2 mm (0.079 in).

a smooth radius or 3-pass chamfer grinding, or at least an equivalent treatment.

• Bare steel or steel coated with unapproved inorganic zinc silicate shop primer; abrasive blast clean to Sa 2½ (ISO 8501-1), with roughness 30–75 µm

• Steel plate surfaces coated with a certified compatible inorganic zinc silicate shop primer; weld seams and areas where the shop primer has failed or is bare should be blast cleaned to

Sa 2½ of international standard ISO 8501-1, with a surface roughness of 30-75 µm (1.2-3.0 mil): [1] for intact shop primer with an IMO-PSPC type approval certificate, no additional requirements apply; [2] for shop primer without an IMO-PSPC type approval certificate, the intact shop primer areas should also be blast cleaned to Sa 2 of international standard ISO 8501-1, removing at least 70% of the shop primer film, with a surface roughness of 30-75 µm (1.2-3.0 mil).

• In accordance with international standard ISO 8502-3-2017, the degree of contamination by dust of size classes "3", "4" or "5" shall not exceed class "1". Finer dust smaller than this (size class "1"

and/or "2"), if visible to the naked eye without magnification, must be removed.

• The previous coat must be clean, dry and free of all contaminants.
• When the substrate temperature falls to freezing point, check that the entire surface is free of ice.

Atmospheric exposure environment

• 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.
• Galvanised surfaces must be free of all oil and grease, soluble salts and contaminants.
• Galvanised surfaces must be roughened by sweep blasting or other abrading methods.
• The previous coat must be clean, dry and free of all contaminants.
• When the substrate temperature falls to freezing point, check that the entire surface is free of ice.

Substrate temperature and application conditions

• During application and curing, the substrate temperature must be above -10 °C (14 °F).
• During application and curing, the substrate temperature may drop to -10 °C (14 °F), but in this case, for the coating to reach the expected hardness,

a longer time may be required. However, as the temperature rises, the fully cured coating will also achieve complete protective performance.

• During application and curing, the substrate temperature must be at least 3 °C (5 °F) above the dew point.
• During application and curing, the relative humidity must not exceed 85%.

Instructions for use

Mixing ratio by volume: base : curing agent = 80 : 20.

• As far as possible, ensure the mixed paint temperature of the base and curing agent is above 5 °C (41 °F); otherwise, additional thinner may be required to adjust the viscosity to a suitable

application state.

• Excessive thinning generally reduces the sag resistance of the wet film.
• 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

Note: maximum dry film thickness: at overlapping areas of multiple coats, occasional local small areas with a dry film thickness of up to 2000 µm (such as drain holes, edges and closing weld seams) are acceptable. When the film thickness exceeds the recommended specified range, consult PPG.

Recoating interval table for a coating with a dry film thickness of 160 µm (6.3 mil)

Curing time table for a coating with a dry film thickness of 160 µm (6.3 mil)

Pot life after mixing (at suitable application viscosity)

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 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.
• PPG Marine & Industrial Coatings ballast tank coating process.

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.

To meet the specific application requirements of certain countries, the following product versions may be selected

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