Hempathane HS 5561B is a glossy polyurethane topcoat, cured with aliphatic isocyanate. The product has very good gloss and colour retention.
Hempathane HS 5561B is recommended as a VOC-compliant, finishing coat for protection of structural steel in corrosive environment.
Flash point
40°C [104°F]
VOC content mixed product
| Legislation | Value |
|---|---|
| EU | 368 g/L [3.07 lb/US gal] |
| US (coatings) | 368 g/L [3.07 lb/US gal] |
| US (regulatory) | 368 g/L [3.07 lb/US gal] |
| China | 368 g/L [3.07 lb/US gal] |
VOC values may vary with shade, please consult the Safety Data Sheet, section 9.
According to specific legislation, see details in the Explanatory Notes available at Hempel website, hempel.com or at your local Hempel website.
Handle with care. Before and during use, observe safety labels on packaging and paint containers and follow all local and national safety regulations. Always consult Hempel’s Safety Data Sheet for this product along with the Product Data Sheet.
For professional use only.
Product code
5561B
Product components
Base 5561P
Curing Agent 97050
Standard shade / code*
Light grey 11150 **
Gloss
Glossy
Volume solids
61 ± 2%
Specific gravity
1.4 kg/L [11 lb/US gal]
Reference dry film thickness
60 micron [2.4 mils]
Aluminium shade / code
Aluminium grey 19871
Gloss
Please consult Hempel’s Guideline on aluminium pigmented coatings.
Volume solids
56 ± 2%
Specific gravity
1.2 kg/L [10 lb/US gal]
Reference dry film thickness
60 micron [2.4 mils]
* Other shades are available, please contact your local Hempel representative.
** High temperature may cause yellowing/discolouration.
Cleanliness
New build:
Maintenance and Repair
Consult Hempel’s separate Surface Preparation Guidelines for more details.
Mixing ratio
Base 5561P : Curing Agent 97050
(7 : 1 by volume)
Stir well before use.
Thinner
Hempel’s Thinner 08080
Cleaner
Hempel’s Thinner 08080
Pot life
| Product temperature | 10°C [50°F] | 20°C [68°F] |
|---|---|---|
| Pot life | 90 min | 60 min |
Application method
| Tool | Thinning max vol. | Application parameters |
|---|---|---|
| Airless spray | 5% | Nozzle pressure: 175 bar [2500 psi] |
| Nozzle orifice: 0.017–0.021″ | ||
| Brush | 5% | Not Applicable |
If brush or roller application is used, more coats will be necessary to achieve the specified dry film thickness. Spray data are indicative and subject to adjustment. Pressure is for a material temperature of 20°C [68°F].
Film thickness
| Specification range | Low | High | Recommended |
|---|---|---|---|
| Dry film thickness | 50 micron [2.0 mils] | 80 micron [3.2 mils] | 60 micron [2.4 mils] |
| Wet film thickness | 82 micron [3.3 mils] | 132 micron [5.3 mils] | 99 micron [4.0 mils] |
| Theoretical spreading rate | 12 m²/L [489 sq ft/US gal] | 7.6 m²/L [310 sq ft/US gal] | 10 m²/L [407 sq ft/US gal] |
Product may be specified in another film thickness than indicated depending on purpose and area of use. This will alter spreading rate, drying and curing time and overcoating interval. For best performance, avoid excessive film thickness.
Application conditions
Relative Humidity:
Product compatibility
Drying time
| Surface temperature | -10°C [14°F] | 0°C [32°F] | 20°C [68°F] | 40°C [104°F] |
|---|---|---|---|---|
| Surface dry hours | 2½ | 1½ | ½ | ¼ |
| Hard dry hours | 10 | 6 | 2 | ½ |
Determined for dry film thickness 60 micron [2.4 mils] at standard conditions, see Hempel’s Explanatory Notes for details.
Overcoating
Hempel’s specification supersedes any guidelines indicated in the overcoating table
| Quality name | -10°C [14°F] | 0°C [32°F] | 20°C [68°F] | 40°C [104°F] |
|---|---|---|---|---|
| Atmospheric medium — Hempathane HS 5561B | Min 30 h / Ext* | 18 h / Ext | 6 h / Ext | 100 min / Ext |
*Overcoating times are indicative for products of the same generic chemistry.
Drying conditions
Overcoating details
Other remarks
Shelf life
| Ambient temperature | Base | Curing Agent |
|---|---|---|
| 25°C [77°F] | 36 months | 24 months |
Shelf life from date of production, when stored in original, unopened containers. Thereafter, the product quality must be re-inspected. Storage at elevated temperatures may reduce shelf life. For advice, please consult Hempel.
Storage conditions
| Dry film thickness | 1 µm | 1 mil |
|---|---|---|
| GWP (Global Warming Potential) | 7.9 g CO₂e/m² | 0.041 lb CO₂e/ft² |
The carbon footprint is for 1 square meter / square foot of surface area with a dry film thickness of 1 micron / mil.
The scope includes raw materials, in-bound transport to the Hempel factory, Hempel manufacturing processes, and any Volatile Organic Compounds emitted during and after the application of the product.
It is calculated based on the standard shade defined in this PDS. Values may vary with shade.
Product Data Sheet – Hempathane HS 5561B
Issued by Hempel A/S – October 2024
Document Version: 4/4
Source: https://www.hempel.com
Technical Guidelines and Explanatory Notes
Last accessed: 28 May 2025
Reference link: https://www.hempel.com/service-and-support/technical-guidelines
Note: Always consult the latest version of the Product Data Sheet and associated documents directly from Hempel’s official website to ensure accuracy and compliance with the most current recommendations.