Sika Primer-290 DC
At a glance
- Primer for Sikaflex 290-DC
- Low viscous
- Contents: 250 ml, 1 litre
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Product description
This Sika primer is a transparent, light-yellow, low-viscosity liquid that cures by reacting with atmospheric moisture. Sika Primer-290 DC is used, among other applications, as a pre-treatment for wooden deck planks that are caulked with Sikaflex-290 DC or bonded with Sikaflex-298 FC. The primer is manufactured in accordance with the ISO 9001 quality management system and the ISO 14001 environmental management system, and is also produced sustainably as part of the “Responsible Care” programme.
Tip: always perform preliminary tests with the intended substrates and under local conditions to determine the compatibility of the adhesive and the material.
Suitable substrates
Sika Primer-290 DC is designed for use on the following substrates:
- Teak
- Mahogany
- Oregon pine
- Cork
- Polyester-based GRP
Directions for use
- Ensure the surface is clean, dry and free from grease, oil, dust and contaminants. Adhesion may be improved by applying and/or combining pre-treatment processes such as scuffing and cleaning.
- Apply a thin but fully covering coat of Sika Primer-290 DC with a clean, dry brush. Be sure that the teak is completely covered by the primer but avoid excess material
- Leave the primed surface for at least 60 minutes before applying the adhesive. The ideal application and surface temperature is between 15°C and 25°C.
-
Tightly reseal container immediately after each use.
Product properties
Contents: 250 ml, 1 L
Chemical base: solvent-based polyurethane solution
Colour: light yellow
Application temperature: 5-40°C
Application method: brush or spray
Consumption: 50 ml/m2 (depending on substrate porosity)
Shelf life: 12 months (stored in sealed container in an up-right position in a dry place ≤ 25°C)
Product properties
The key technical properties clearly listed in one place.
- Article number
- LIJ001050
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The technical product category, such as primer, resin, hardener or cleaner. It explains the product's purpose and helps you find other products with a similar function.
- 1K Primer
-
The recommended application temperature range indicates the conditions under which the product can generally be applied and cured properly. Three temperatures matter:
- Air: the temperature in the workshop or outdoors.
- Substrate: the temperature of the surface being treated.
- Product: the temperature of the resin, adhesive or coating itself.
A cold substrate can cause condensation and affect adhesion. At higher temperatures, two-component products may react faster, reducing their working time. Check the dew point and follow the product instructions.
- 5-40 °C
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The chemical base describes the chemistry of an adhesive, sealant, resin or coating, such as epoxy, polyester, polyurethane, (methyl)methacrylate or a hybrid polymer. It affects curing, flexibility and adhesion. Products with the same chemical base are not necessarily suitable for the same applications.
- solvent-based polyurethane solution
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The period for which an unopened product remains usable under the specified storage conditions. Check whether the period starts from the manufacturing date or another date. Shelf life may be shorter after opening, especially for products sensitive to air or moisture.
- 12 months
-
Consumption or coverage describes how much product is needed for a given surface area. Consumption may be stated in g/m² or kg/m², while coverage is often given in m²/L or m²/kg. A consumption of 0.2 kg/m² means a theoretical 200 grams per square metre. Actual use depends on film thickness, substrate absorbency, application method and waste.
- 50 ml/m²
- Net contents
- 1 L, 250 ml
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The application or processing methods specified by the manufacturer, such as brushing, rolling, spraying, casting or hand laminating. The chosen method can affect consumption, layer thickness and finish.
- Brush, Spray
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