SIGMAPRIME 700 HSV LT General-purpose Pure Epoxy Primer

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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 adhesion to steel, non-ferrous metals and old coating surfaces
• Excellent water resistance and anti-corrosion performance.
• Excellent abrasion resistance in the intended service environment.
• Good wetting and levelling properties.
• Curing is possible at temperatures down to -10 °C (14 °F).
• Suitable for repair of welds and damaged epoxy coatings during construction.
• Can be recoated with most alkyd, epoxy and polyurethane coatings.
• Compatible with precisely designed cathodic protection systems.
• Suitable for wet-blasted or ultra-high-pressure water (UHPWW) cleaned surfaces (whether damp or dry).

Colour and gloss

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

Basic data 20 °C (68 °F)

Parameters after mixing

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

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; blast cleaning to Sa2½ of ISO, with a profile of 30–75 µm (1.2–3.0 mil).
• Surfaces coated with confirmed compatible inorganic zinc silicate shop primer: welds and damaged or failed areas of the shop primer coating shall be abrasive-blast-cleaned to Sa2½ of ISO 8501-1, with a profile of 30–75 µm (1.2–3.0 mil), or in some cases power-tool cleaning to Pt3 of the SPSS standard is acceptable.
• 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.
• Coated steel surfaces: high-pressure water jetting to VIS WJ2L (SSPC), with roughness 30–75 µm (1.2–3.0 mils).

IMO-MSC.215(82) applies to seawater ballast water tanks and IMO-MSC.288(87) applies to the cargo

oil tanks (for specified areas only)

• Bare steel: prepare structurally to grade P2 of ISO 8501-3:2006 before application; grind edges to a smooth radius of at least 2 mm (0.079 in), or use three-pass grinding, or at least equivalent treatment.
• Bare steel, or steel coated with unapproved inorganic zinc silicate shop primer; blast cleaning to Sa2½ of ISO, with a profile of 30–75 µm (1.2–3.0 mil).
• Steel surfaces coated with certified compatible inorganic zinc silicate shop primer: welds and failed or damaged exposed areas of the shop primer coating shall be blast-cleaned to Sa2½ of ISO, with a surface profile of 30–75 µm (1.2–3.0 mil): [1] for intact shop primer already holding an IMO-PSPC type approval certificate, no additional requirement applies; [2] for shop primer without an IMO-PSPC type approval certificate, the intact shop primer areas shall also be blast-cleaned to Sa2 of ISO, removing at least 70% of the shop primer film, with a surface profile of 30–75 µm (1.2–3.0 mil).
• In accordance with ISO 8502-3:2017, the contamination level of dust of size classes “3”, “4” or “5” must not exceed rating “1”. Finer dust (size classes “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, with a profile of 30–75 µm, or to St3 of ISO.
• Shop-primed steel: prepare to Pt3 (SPSS).
• 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.
• Coated steel surfaces: high-pressure water jetting to VIS WJ2L (SSPC), with roughness 30–75 µm (1.2–3.0 mils).

Substrate temperature and application conditions

• TRANSLATION MISSING
• 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 should not exceed 85%

Galvanised surfaces

• Surface preparation must be carried out properly; the surface must be dry, clean and free of contaminants before application.
• The surface must be fully and thoroughly roughened by sweep blasting to a uniform semi-matt appearance.
• Sweep blast cleaning must meet SSPC-SP 16.

Instructions for use

Mixing ratio by volume: base : curing agent = 4:1

• 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.

Notes

• See supplementary parameters — pot life after mixing.

Air spray

Airless spray (single-feed pump)

Brush/roller

Supplementary parameters

Film thickness and theoretical spreading rate

Notes

• Maximum dry film thickness: occasionally, in areas of multiple spray gun overlap, a dry film thickness of 1500 µm (59.0 mil) occurs (e.g. pits, corners, erection joints, etc.). If the DFT reading exceeds this recommended range, consult PPG.

Recoat time for a coating at 160 µm (6.3 mils) dry film thickness

Notes

• The surface should be dry and free from any contamination and ice. Recoating time for a coating at 160 µm (6.3 mil) dry film thickness

Notes

• The surface should be dry and free from any contamination and ice. Curing time for a coating at 160 µm (6.3 mil) dry film thickness

Notes

• Adequate and continuous ventilation must be maintained during application and curing of the coating.

Pot life (at normal application viscosity)

Safety Precautions

• This is a solvent-borne coating. Avoid inhaling spray and solvent vapours, and avoid contact of uncured paint with skin and eyes
• Refer to the Material Safety Data Sheet and product package labelling for full details of the stated safety precautions and protective measures

Worldwide applicability

Although PPG Protective & 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

• Information sheet | Explanation of product data sheets

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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