Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Product Type
- Gloss
- Flat
- Standard shade / code
- Grey 19840
- Technologies
- Product Families
Features & Benefits
- Ready-to-Use Product Features
Applications & Uses
- Markets
- Applications
- Recommended use
- As a protective primer on steel in severely corrosive environment. For repair of Galvosil and other zinc rich coatings. For repair of galvanized steel. In compliance with SSPC-Paint 20, type 2, level 3.
- Drying and overcoating
Product compatibility
Previous coat: According to Hempel’s Specification. Recommended product is: Hempadur 47140
Subsequent coat: None.
Drying timeSurface temperature 20°C Hard dry 3 hours Drying conditions
- To obtain the drying time stated, it is important to maintain sufficient ventilation during application, drying and curing.
- Condensation on the freshly applied coating should be avoided.
Overcoating details
- The surface must be dry and clean prior to application.
Other remarks
- Hempel’s Specification supersedes any recommendations given in the Product Data Sheets.
- Application
Mixing ratio
Base 55549 : Curing agent 98990
(4 : 1 by volume)
Stir well before use.
Thinner
Hempel's Thinner 08120
Cleaner
Hempel's Thinner 08450Pot Life
Product temperature 20°C [68°F] Pot life 78 min Pot life (brush) 78 min Application method
Tool Application parameters Airless spray Nozzle pressure: 150 bar [2200 psi] Nozzle orifice: 0.015-0.017" Brush Not Applicable. Air spray 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 175 micron
[6.9 mils]250 micron
[10 mils]200 micron
[7.9 mils]Wet film thickness 310 micron
[12 mils]450 micron
[18 mils]350 micron
[14 mils]Theoretical spreading
rate3.2 m²/L
130 sq ft/US gal]2.3 m²/L [94 sq ft/US gal] 2.8 m²/L [110 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
-
To avoid condensation, apply on a clean and dry surface with a temperature that is at least 3°C [5°F] above the dew point.
-
Surface temperature must be above 15°C [59°F] during application and curing.
-
The film formation may be adversely affected by light rain, high humidity and/or condensation during application and the following interval after application: “6 hours, 20°C/68°F”.
-
To avoid condensation, apply on a clean and dry surface with a temperature that is at least 3°C [5°F] above the dew point.
Relative Humidity
Relative humidity must be below 85% during application.-
Properties
- Typical Properties
| Value | Units | Test Method / Conditions | |
| Flash point | 42.0 | °C | — |
| Reference dry film thickness | 35.0 | micron | — |
| Service temperature (Maximum, dry exposure only) | 120.0 | °C | — |
| Specific gravity | 1.7 | kg/L | — |
| Volume solids | 33 ± 2 | % | — |
Safety & Health
- VOC content mixed product
Legislation Value EU 589 g/L [4.92 lb/US gal] US (regulatory) 15 g/L [0.13 lb/US gal] China 589 g/L [4.92 lb/US gal] According to specific legislation, see details in the Explanatory Notes available at Hempel website, hempel.com or at your local Hempel website. Measured according to GB/T 23985-2009.
Storage & Handling
- Handling
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.
- Storage
Shelf life
Ambient temperature 25°C 35°C Base 18 months 12 months Curing agent 24 months 16 months Shelf life from date of production, when stored in original, unopened containers. Thereafter, the product quality must be re-inspected. Always check the best before date or expiry date on the label.
Storage conditions
- Temperature must not go below 15°C [59°F] during transport and storage.
- Product must be stored according to local legislation, at maximum 25°C [77°F], without direct sunlight and protected from rain and snow.
- The curing agent is sensitive to moisture. Store in a dry place and keep the can tightly closed until use.