Sika® Primer-290 DC
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Catalog excerpts

Sika® Primer-290 DC - 1

Product Data Sheet Version 10 / 2008 Sika® Primer-290 DC Primer for bonding and sealing timber decking strips CQP = Corporate Quality Procedure Description Sika® Primer-290 DC is a transparent, pale yellow, low viscosity liquid that cures by reaction with atmospheric moisture. It is used to prime timber decking strips prior to caulking with Sikaflex®-290 DC or ® bonding with Sikaflex -298. ® Sika Primer-290 DC is manufactured in accordance with ISO 9001 / 14001 quality assurance system and the responsible care program. Solvent containing PUR formulation Transparent with a yellow tint 0.98 kg/l approx. 20 mPa·s approx. -4°C (25°F) 34% 5 - 40°C (40 - 105°F) Brush / felt / spray 100 - 200 ml/m2 approx. 60 min 30 min 24 hours Store in sealed container in a cool dry place 12 months In specific applications temperature and flash-off time may be different Areas of Application ® Sika Primer-290 DC is formulated for use on the following substrates: - Teak - Mahogany - Oregon pine - Cork - GRP based on polyester This product is suitable for experienced professional users only. Test with actual substrates and conditions have to be performed to ensure adhesion and material compatibility. Method of Application The timber decking strips must be clean, dry and free from silicone, grease, oil and dust. The primer is to be applied with care and brushed out thinly, using a clean, dry brush. Primed surfaces should be left for a minimum of 30 minutes before sealing or bonding with Sikaflex® products. Sika® Primer-290 DC may be applied once only. Care must be taken to ensure that this single application gives adequately dense coverage. Tightly re-seal container immediately after each use. Technical Product Data Chemical base Colour Density (CQP1 006-3 / ISO 2811-1) Viscosity2 (CQP 029-3 / ISO 3219) Flash point (CQP 007-1 / ISO 13736) Solid content Application temperature Application method Coverage Flash-off time 3 below 15°C (60°F) above 15°C (60°F) maximum Storage Shelf life

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Sika® Primer-290 DC - 2

Further Information Working instructions issued for a defined application may further specify technical data contained in this Product Data Sheet. Copies of the following publications are available on request: - Material Safety Data Sheets - Sika Marine Pre-treatment Chart Value Bases All technical data stated in this Product Data Sheet are laboratory test based. Current measured values may vary do to factors beyond our influences. Health and Safety Information For information and advice regarding transportation, handling, storage and disposal of chemical products, users shall refer to the...

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