HEMPEL Silicone Fouling-release Coating Sealer 27400 belongs to antifouling paint, silicone coating system. Antifouling maintenance system: the product is designed for recoating old antifouling systems with Hempaguard®/Hempasil topcoats and for establishing a bond between the existing antifouling system and Hempaguard®/Hempasil topcoats. HEMPEL Silicone Fouling-release Coating Sealer 27400 is suitable as a tie coat for silicone resin systems and provides anticorrosive performance. Parameters on this page: volume solids 56 ± 2%, dry film thickness 100 µm, theoretical spreading rate 5.6 m²/L.
Parameter source: HEMPEL original Technical Data Sheet (TDS) 'HEMPEL Silicone Fouling-Release Coating Sealer 27400'; spreading rate and other values are converted from TDS parameters and are for selection reference only.
The above content is compiled from the manufacturer's datasheet and this site's parameter tables. For selection, coating systems and lead times, pleaseContact Usfor confirmation.
This page carries the full TDS for this product, translated from the manufacturer's original document. No file download is needed; for an original-language copy, send an enquiry.
| Volume Solids | 56 ± 2% |
|---|---|
| Dry Film Thickness | 100 µm |
| Theoretical Spreading Rate | 5.6 m²/L |
| VOC | 388 g/L (China) |
| Density / Specific Gravity | 1.4 kg/L |
| Number of Components | Two-component |
| Flash Point | 24°C |
| Colour / Appearance | Light grey 11070 |
| Gloss | Semi-flat |
For more Q&A on selection, application, acceptance and defect diagnosis, seeFAQsection.
HEMPEL Silicone Fouling-Release Coating Sealer 27400 is suitable as a tie coat for silicone resin systems and provides anti-corrosive performance.
HEMPEL Silicone Fouling-Release Coating Sealer 27400 is used as a sealer/tie coat for Hempaguard®/Hempasil systems.
Antifouling repair system: the product is designed for overcoating aged antifouling systems with Hempaguard®/Hempasil topcoat and for establishing a bond between the existing antifouling system and the Hempaguard®/Hempasil topcoat. Feasible provided the overall condition of the aged antifouling system is good.
Repair/newbuilding, full system: the product is designed as a bridging tie coat between approved anti-corrosive primers and Hempaguard®/Hempasil topcoats. Used in combination with Hempasil NexusX-Tend 27500 for full-coat application of Hempaguard®/Hempasil topcoats. Minimum curing temperature of the system is 0°C [32°F].
| Product safety | Flash point 24 °C |
|---|
| Regulations | Value |
| European Union | 388 g/L |
| USA (coatings) | 388 g/L |
| USA (regulatory) | 388 g/L |
| Canada | 388 g/L |
| China | 388 g/L |
| Hong Kong | 388 g/L |
| South Korea | 388 g/L |
Subject to specific legislation; see the explanatory notes on the Hempel website hempel.com or your local Hempel website. 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 code | 27400 |
|---|---|
| Product components | Base 27409 |
Curing agent 98160, additive 99710
| Standard colour / code | Light grey 11070 |
|---|---|
| Gloss | Semi-flat |
| Volume solids | 56 ± 2% |
| density | 1.4 kg/L |
| Recommended dry film thickness | 100 µm |
For further details, refer to the separate Hempel document Surface Preparation Guide.
Base 27409 : Curing agent 98160 : Additive 99710 (13.9 : 3.6 : 2.5 by volume)
Thinning is not permitted. Stir thoroughly before use.
Thinner
| Cleaning solvent | HEMPEL's Thinner 08450 |
|---|
HEMPEL's Tool Cleaner 99610
| Product temperature | 20°C | 0°C | 40°C |
| Pot Life | 60 min | ||
| Tools | Maximum thinning volume | Application parameters |
| Airless Spray | No thinning required | Nozzle pressure: 15 MPa; nozzle size: 0.48–0.53 mm |
| Brush | No thinning required | Not applicable. |
After cleaning, flush the pump and hoses with HEMPEL Thinner 08080 before putting them into service. 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
| Dry Film Thickness | 100 µm |
| Wet Film Thickness | 178 µm |
| Theoretical Spreading Rate | 5.6 m²/L |
Checking paint consumption against area improves film thickness control. Avoid excessive film thickness to achieve the intended performance.
Achieving the specified minimum dry film thickness uniformly is essential.
| Surface temperature | 10°C | 20°C | 30°C |
| Hard Dry | 3 h | 2 | 1¼ |
| Fully cured | 10 days | 7 | 4 |
Measured at 100 µm dry film thickness under standard conditions; see Hempel's explanatory notes.
Hempel's specifications supersede all guidance shown in the recoat table.
| Product name | 10°C | 20°C | 30°C | |
| Immersion | ||||
|---|---|---|---|---|
| HEMPEL Silicone Repair Coating 27500 | Minimum | 5 h | 4 h | 3 h |
| Maximum | 60 h | |||
| HEMPEL's Third-generation Silicone Foul-release Coating Hempasil X3+ 87500 | Minimum | 12 h | 6 h | 4 h |
| Maximum | 36 h | |||
| HEMPEL's Silicone Antifouling Hempaguard X7 89900 | Minimum | 12 h | 6 h | 4 h |
| Maximum | 36 h | |||
For further information, refer to Hempel's specifications.
- To achieve the stated drying times, adequate ventilation during application, drying and curing is essential.
If the product requires overcoating with itself, the second coat shall be applied before the first coat dries (wet-on-wet).
| Ambient temperature | 25°C |
| Binder | 18 months |
| Curing agent | 18 months |
| Additives | 12 months |
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.
- 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.
| Dry Film Thickness | 1 µm | |
| GWP (Global Warming Potential) | 7.5 g CO₂e/m² |
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.
For further information, refer to the Hempel website (https://www.hempel.com/service-and-support/technical-guidelines) or your local Hempel website:
| Number | Document description | Location/Notes |
| 3. | PDS | This document |
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”):
| 1. | Technical declaration | Provides one-off specific advice for the requirements of a specific project |
| 2. | Specifications | Issued for specific projects only |
| 4. | Explanatory notes to the PDS | Available for download at www.hempel.com, containing information related to product test parameters |
| 5. | Application guide | If available, provided at www.hempel.com |
| 6. | General technical guidelines (e.g. application and surface preparation) |
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.
Packaging specifications and batch lead times are subject to actual availability. PleaseContact Uscontact us for project-based calculation.
