HEMPEL's High-strength Epoxy 45540

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45540

Product Characteristics

Description

Hempel Extra-strong Epoxy 45540 is a two-component pure epoxy coating that cures to form an abrasion-resistant, corrosion-resistant film. Applied with standard heavy-duty airless spray equipment. Ideally suited for application under damp conditions and for use with early water contact.

Recommended use

Used as a maintenance and repair primer for Hempadur systems in severely corrosive environments. As a self-priming high-build coating, mainly used for maintenance of structural steel, tidal zones, dock piling and decks.

Service temperature

• Under dry conditions: maximum service temperature 140 °C [284 °F].

• Underwater (no temperature difference): maximum 60 °C [140 °F].

• Maximum water temperature (peak): 80 °C [176 °F].

VOC content (after mixing the multi-component paint)

Subject to specific legislation; see the explanatory notes on the Hempel website hempel.com or your local Hempel website. VOC values may vary with colour; refer to Section 9 of the Safety Data Sheet. This product complies with the VOC requirements of national mandatory or recommended standards; consult the company representative for details.

Handle with care. Before and during use, observe the safety labels on the packaging and paint containers and comply with all local and national safety regulations. Consult the Hempel Safety Data Sheet and Product Data Sheet for the product at all times.

For professional use only.

Product Data

Hardener 97531

Black 19990

45540

Surface Preparation

Cleanliness

• Remove oil, grease and other contaminants by cleaning with a suitable cleaner.

• Remove salts, detergents and other contaminants by high-pressure fresh water washing.

New construction

• Abrasive blast clean to Sa 2½ (ISO 8501-1) / SP 10 (SSPC) minimum.

• Remove dust, blast abrasives and loose material.

Maintenance and repair

• Spot abrasive blast clean to Sa 2 (ISO 8501-2) / SP 6 (SSPC) minimum.

• If the surface is rough and unpolished, clean with power tools to St 3.

• Water jetting to Wa 2 (ISO 8501-4) minimum.

• Maximum flash rust grade FR M (ISO 8501-4).

• Remove dust, blast abrasives and loose material.

Roughness

• Surface roughness Medium (G) (ISO 8503-2).

For further details, refer to the separate Hempel document Surface Preparation Guide.

Application

Mixing Ratio

Base 45549 : Hardener 97531 (4 : 1 by volume)

Stir thoroughly before use.

Pot Life

Recommended method

If brush or roller application is used, several coats may be required to achieve the specified dry film thickness. Spray parameters are indicative and may be adjusted to suit site conditions. Pressure figures apply to the material at 20 °C. (*For other application methods, consult the company representative.)

Film thickness

Depending on the end use and service area, the product may be specified at film thicknesses other than those indicated. This will alter the spreading rate, drying and curing times and recoat interval. To achieve optimum performance, avoid excessive film thickness.

Application conditions

• During application and curing, the surface temperature must be above 5 °C [41 °F].

• During application, the product temperature must be above 15 °C [59 °F].

• The surface to be coated must be clean and dry, and its temperature must be at least 3 °C [5 °F] above the dew point to avoid condensation.

- To promote suitable application properties at low temperatures, allow the fully mixed base and curing agent to pre-react before application.

Relative humidity

• During application, the relative humidity must be below 80%.

• During curing, the relative humidity must be below 80%.

Notes

45540

Drying and recoat

Product compatibility

- Previous coat: none or according to Hempel's specification. Recommended product: Hempel Epoxy 15590. - Subsequent coat: according to Hempel's specification.

Drying Time

Measured at 350 µm dry film thickness under standard conditions; see Hempel's explanatory notes.

Recoat

Hempel's specifications supersede all guidance shown in the recoat table.

For further information, refer to Hempel's specifications.

Drying conditions

- To achieve the stated drying times, adequate ventilation during application, drying and curing is essential.

Recoat notes

• If the maximum recoat interval is exceeded, the surface must be roughened to ensure intercoat adhesion.

• The surface must be clean before recoating.

Others

• Epoxy coatings have an inherent tendency to chalk when exposed outdoors. This does not affect coating performance.

• Hempel's specifications supersede any recommendations in the Product Data Sheet.

Storage

Shelf Life

When stored in unopened original containers, shelf life is counted from the date of production. Thereafter, the product quality must be re-inspected. Storage at high temperatures may shorten the shelf life. For advice, consult Hempel.

Storage conditions

- Store the product in accordance with the Safety Data Sheet, label and local regulations. Keep containers in a dry, cool, well-ventilated place away from heat and sources of ignition. Keep containers tightly closed. Handle with care.

Carbon footprint

Carbon footprint is based on a 1 µm dry film thickness formed over a surface area of 1 m².

The scope includes raw materials, transport to the Hempel factory, the Hempel production process, and any volatile organic compounds (VOC) emitted during and after use of the product.

45540

Supplementary documents

For further information, refer to the Hempel website (https://www.hempel.com/service-and-support/technical-guidelines) or your local Hempel website:

• Notes to the Product Data Sheet.

• Application Methods
• General application guide

datasheet, which is also available for download at www.hempel.com.

This Product Data Sheet (“PDS”) relates to the product supplied (the “Product”), and its content is updated from time to time. Accordingly, the buyer/applicator should refer to the PDS supplied with the relevant batch of product (rather than an earlier version). In addition to the PDS, the buyer/applicator may receive some or all of the specifications, declarations and/or guides shown below, which are also available for download from the “Products” page of the Hempel website (www.hempel.com) (hereinafter the “Supplementary Documents”):

If the information in the PDS and the supplementary documents is inconsistent, the information shall take precedence in the order listed above. In this case, contact the Hempel representative for clarification. In addition, the buyer/applicator must give full consideration to the relevant safety information accompanying each product. Hempel accepts no liability for any defects arising from application not carried out fully in accordance with the recommendations and requirements of the relevant PDS and supplementary documents. The information and terms in this disclaimer apply to this PDS, the supplementary documents and any other relevant documents provided by Hempel for this product. In addition, unless otherwise expressly agreed in writing, supply of the product and all technical support are subject to Hempel's General Conditions of Sale, Delivery and Service.

Information is subject to the manufacturer's latest version; the manufacturer's latest TDS prevails.
The technical parameters on this page are taken from the product's original manufacturer technical datasheet, the copyright of which belongs to the manufacturer. If a rights holder considers the presentation inappropriate, contact us for verification and handling.