ARDEX FK NEU Stress gap, fast

Mixing ratio : Approx. 5 l of water: 25 kg of powder accordingly
Ca.1 RT water: 4 RT powder

Ball pressure hardness : After 1 day approx. 40 N / mm²
After 3 days approx. 60 N / mm²
After 7 days about 80 N / mm²
After 28 days approx. 100 N / mm²

Floor heating 
suitability : yes Packing : Sacks with 25 kg net 
Storage : In dry rooms approx. 12 months storable in original sealed container Bulk 
density : Approx. 1.3 kg / l 
fresh weight of the mortar : approx. 2.1 kg / l 
Material requirements: for joint width 3 mm, joint depth 5 mm for tiles or medium mosaic 
from 30 x 30 cm approx. 0.20 kg / m² 
of 15 x 15 cm approx. 0.40 kg / m²
from 10 x 10 cm approx. 0.60 kg / m² 
of 5 x 5 cm approx. 1.10 kg / m² 
The additional losses due to excess material on the tiles amount to 0.05-0.10 kg / m² depending on their surface condition and working method.

Processing time (+ 20 ° C) : Approx. 30 min. 
Accessibility (+ 20 ° C) : approx. 90 min.