HEMPEL's Epoxy Primer 158CN

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Product Characteristics

Description

HEMPEL Epoxy 158CN is a two-component polyamide adduct-cured epoxy. It forms a flexible, well-adhering film with good abrasion resistance and impact resistance. The product contains zinc phosphate. It can cure at temperatures as low as 5 °C.

Recommended use

As a primer for use with HEMPEL chlorinated rubber or acrylic, epoxy and polyurethane coatings, applied over hot-dip galvanized, aluminium and stainless steel surfaces in medium corrosion environments. The product is also suitable for surfaces that cannot be abraded. See 'Surface Preparation'.

Service temperature

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

Product features

• Xylene-free

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

Curing agent 95HCN

Light Grey 11320

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

• Remove dust, blast abrasives and loose material.

Maintenance and repair

• Remove dust, blast abrasives and loose material.

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

Application

Mixing Ratio

Base 158C9 : Curing agent 95HCN (3 : 1 by volume)

Stir thoroughly before use.

Pot Life

Recommended method

Nozzle pressure: 17.5 MPa

Airless Spray

Nozzle tip size: 0.43-0.48 mm. If brush or roller is used, multiple coats are required to achieve the specified dry film thickness. The spray parameters are indicative and may be adjusted according to site conditions. The pressure values apply to 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

• 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.

• The curing agent temperature should be between 15 °C [59 °F] and 25 °C [77 °F].

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

• Provide adequate ventilation during application and drying.

Relative humidity

• During application, the relative humidity must be below 85%.

• During curing, the relative humidity must be below 85%.

Notes

• Two coats of topcoat may be required to achieve full hiding.

Drying and recoat

Product compatibility

• Previous coat: none.

• Subsequent coat: according to Hempel's specifications.

Drying Time

Dry film thickness 40 µm measured under standard conditions; see Hempel's explanatory notes for details. To determine the dry state, refer to the Application Specification COP FP1401-1 (drying test for high film thickness).

Recoat

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

For products of the same generic chemical composition, recoat times are for reference only.

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.

• Avoid condensation on the freshly applied coating.

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.

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

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.

Calculated based on the standard colours defined in this PDS. Values may vary with colour.

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. 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.