SIKAFLEX 529 AT spray sealant is reproducible with water-based paints in wet-on-wet conditions, even in the presence of a "skin". Compatible with the most commonly used coating systems. Can be applied as a spray or caterpillar application, and can be blended well with a trowel or brush. Easy to use, restores the original production appearance.
SIKAFLEX 529 AT spray sealant technical data:
- Chemical base: silane-based polymer
- colour (CQP1) 001-1): black, ochre
- curing mechanism: humidity
- density (before curing) (CQP 006-4): approx. 1,3 kg/l (depending on colour)
- temperature of use: between 5 °C and 40 °C
- Surface skin time (CQP 019-1): approx. 20 minutes at 23 °C and 50 % relative humidity
- open time (CQP 526-1): approx. 15 min.
- Cure rate (CQP 049-1): see diagram
- Volume shrinkage (CQP 014-1): about 3 %.
- Shore A hardness (CQP 023-1 / ISO 868): approx. 30
- Tensile strength (CQP 036-1 / ISO 37): about 1 N/mm2
- Elongation at break (CQP 036-1 / ISO 37): approx. 200 %.
- Tensile strength (CQP 045-1/ISO 34) approx. 2 N/mm
- glass transition temperature (CQP 509-1 / ISO 4663): approx. - 50 °C
- Temperature resistance (CQP 513-1): 4 hours - 120 °C, 1 hour - 140 °C
- shelf life below 25 °C (CQP 016-1): cartridge - 15 months, bag - 12 months
Advantages of the product:
- Advanced hybrid technology
- Good adhesion to a wide range of substrates without the use of primer
- Fast curing
- excellent workability, sealing of joints without overspray
- restores the original production appearance
- can be applied by spray, brush or caterpillar
- immediately repaintable in the 'wet' process
- good acoustic and mechanical damping properties
- Resistant to ageing and weathering
- low odour
- Solvent and isocyanate free
- PVC and silicone free