HEMPEL's Fluorocarbon Topcoat 55LCN

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Product Characteristics

Description

HEMPEL Fluorocarbon Topcoat 55LCN is a two-component ambient-curing fluorocarbon coating used as a long-life high-performance topcoat, with good gloss retention and colour retention. It meets the technical requirements of JT/T722-2008, the standard for anti-corrosion coating of steel structures for highway bridges.

Recommended use

Can be used as a protective and decorative topcoat on steel structures and cement surfaces requiring high gloss retention and colour retention, maintaining long-term appearance even in severe pollution environments.

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 955CN

_______________________________

Gloss

Refer to the Hempel Guide for Aluminium-containing Coatings.

Surface Preparation

Cleanliness

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

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

• The surface must be dry and clean before application.

New construction

• In accordance with Hempel's specifications.

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

Application

Mixing Ratio

Base 55LC9 : Hardener 955CN (92 : 8 by volume)

Stir thoroughly before use.

Thinner

Hempel's Thinner 014CN

Cleaning solvent

Pot Life

Recommended method

Additional thinning may be required to reduce dry spray at high temperatures. Additional thinning may be required at low paint temperatures; this will result in lower film build and slower drying. Do not thin components separately; thinning after mixing is permitted. Spray parameters are indicative and may be adjusted to site conditions. Pressure values apply to material at 20°C. (*Consult the company representative for other application methods.)

Film thickness

Depending on the end use and service area, the product may be specified at film thicknesses other than those indicated.

This will change the application rate, drying and curing times and recoat interval. Avoid excessive film thickness to achieve the desired performance. Actual consumption factors may vary with application conditions, equipment and workmanship. Checking paint consumption against area improves film thickness control.

Application conditions

• During application and curing, the surface temperature must be above -10 °C [14 °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.

• 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

• The practical consumption factor may vary with application conditions, equipment and workmanship.

• Checking paint consumption against area improves film thickness control.

• For appearance reasons, an additional topcoat may be applied.

• Stir thoroughly before use.

• Even a small amount of water in the mixed paint shortens the pot life and causes film defects.

• Do not open or mix the paint containers before use.

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

Drying and recoat

Product compatibility

• Previous coat: according to Hempel's specifications.

• Subsequent coat: none.

Drying Time

Measured at 50 µm dry film thickness under standard conditions; see Hempel's explanatory notes. To determine the drying 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

• For appearance reasons, an additional topcoat may be applied.

• The surface must be dry and clean before application.

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

• Before recoating, prepare a test patch to check compatibility, wetting and adhesion.

- Avoid exposing touch-up areas, full coats and intercoat intervals to high humidity during application.

• The surface must be clean before recoating.

Others

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

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

Storage

Shelf Life

Shelf life is the period from the date of manufacture while the product is stored in its original, unopened containers. After this period, the product quality shall be re-tested. Always check the best-before or expiry date on the label.

Storage conditions

• The curing agent is moisture-sensitive. Store in a dry place and keep sealed before use.

Supplementary documents

For more information, refer to the Hempel website hempel.com or the local Hempel website:

• The technical content of this Product Data Sheet is explained in the Explanatory Notes.

• Surface Preparation Guide.

• For application methods not used, refer to the Application Guide.

- General Application Guide. This Product Data Sheet ('PDS') relates to the supplied product ('Product') and its content is updated from time to time. The buyer/applicator shall therefore refer to the PDS supplied with the relevant product batch (not earlier versions). In addition to the PDS, the buyer/applicator may receive some or all of the specifications, statements and/or guides shown below; such documents may also be downloaded from the 'Products' page of the Hempel website (www.hempel.com) (hereinafter '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.