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K11W is a waterproofing additive used for mixing with cement at job site to form a tough flexible membrane when dry to protect all concrete and masonry surfaces against the ingress of water and moisture. The product has high hydrophobicity after drying
USES
SUITABLE SUBSTRATES
|
Test |
Test Method |
Result |
|
Initial tensile adhesion strength on concrete substrate |
ASTM D7234 |
≥ 1,0 N/mm2 |
|
Tensile adhesion strength on concrete substrate after heat aging |
≥ 1,5 N/mm2 |
|
|
Water impermeability (Pressure 50kPa in 7 days) |
BS EN 14891:2017 |
No penetration |
|
Crack bridging ability |
≥ 0,75 mm |
|
|
28 Days Elongation at break |
ASTM D412 - 16 |
50% ± 20% |
|
Maximum tensile strength |
≥ 1,1 N/mm2 |
|
|
Shore A hardness |
ASTM D2240 - 15 |
≥ 60 |
|
Pot life (350C, RH ≥ 60%) |
N/A |
~ 1.0 hour |
|
Tack free time (350C, RH ≥ 60%) |
N/A |
~1.0 hours |
