Description
The Professional Deck Caulking Compound
Sikaflex®-290 DC PRO is a 1-component polyurethane based joint sealing compound, specifically formulated for caulking joints in traditional timber marine decking. It exhibits excellent weathering resistance and is therefore well suited for highly exposed open joints within the maritime environment. The sealing compound cures to form a flexible elastomer which allows a fast and easy sanding process.
Sikaflex®-290 DC PRO meets the requirements set out by the International Maritime Organisation (IMO).
- Excellent weathering resistance
- Robust and durable
- Easy and fast sandable
Size: 300ml cartridge
Supplied with a nozzle.
Consumption: ca. 300 ml for 10m mortice 5 x 5 mm
PRODUCT BENEFITS
- Excellent weathering resistance
- Robust and durable
- Easy and fast sandable
- Ideal flow behavior for application
- Long toolability
- Unique aspect
- Resistant to seawater and fresh water
Product Details
Typical Product Data
| Chemical base |
1-component polyurethane |
|
| Color (CQP001-1) |
Black |
|
| Cure mechanism |
Moisture-curing |
|
| Density (uncured) |
1.3 kg/l |
|
| Application temperature |
ambient |
5 ─ 35 °C |
| Skin time (CQP019-1) |
90 minutes A |
|
| Curing speed (CQP049-1) |
(see diagram) |
|
| Shrinkage (CQP014-1) |
3 % |
|
| Shore A hardness (CQP023-1 / ISO 7619-1) |
40 |
|
| Tensile strength (CQP036-1 / ISO 527) |
3 MPa |
|
| Elongation at break (CQP036-1 / ISO 527) |
600 % |
|
| Tear propagation resistance (CQP045-1 / ISO 34) |
10 N/mm |
|
| Service temperature (CQP513-1) |
-50 ─ 90 °C |
Surface preparation
Surfaces must be clean, dry and free from grease, oil and dust. In case of timber the use of an adequate Primer, e.g. Sika® Primer-290 DC, is mandatory. Additional surface treatment, for example for deck perimeter sealing, depends on the specific nature of the substrates. Therefore all recommendations must be determined by preliminary tests.
Application
For satisfactory results the adhesive must be applied with adequate equipment such as pump, dosing units or piston operated application guns.
Sikaflex®-290 DC PRO can be processed between 5 °C and 35 °C but changes in reactivity as well as application properties need to be considered. The optimum process temperature (substrates, climate and product) is between 15 °C and 25 °C
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