Koster KB-Fix 5
Koster KB-Fix 5 is a waterproof, weatherproof, fast curing mortar with high compressive strength (sets after approx. 5 minutes) for fast installations as well as for small repairs of masonry and concrete. Free of soda and chlorides.
Koster KB-Fix 5 is intended for swift filling of holes and cracks in plaster and masonry, for anchoring wall anchors, anchor fittings, brackets of roof gutters and down pipes, handrails, grates, radiators as well as for swift repairs at home, for sealing pipe penetrations in connection with Koster KB-Flex 200. KB-Fix 5 is suitable for both inside and outside use.
The surface has to be sound and clean, free of oil and grease. The material can be applied to all mineral substrates.
|Density of fresh mortar||approx. 2.0 kg / l|
|Compressive strength (2 h)||approx. > 4 N / mm²|
|Compressive strength (24 h)||> 11 N / mm²|
|Compressive strength (7 days)||> 30 N / mm²|
|Compressive strength after 28 days||> 60 N / mm²|
|Flexural tensile strength(2 h)||> 5 N / mm²|
|Flexural tensile strength(24 h)||> 2.5 N / mm²|
|Flexural tensile strength(7 d)||> 4 N / mm²|
|Starts to set||after approx. 5 minutes (+ 20 °C)|
|Application of next layer||after approx. 3 hours|
|Modulus of Elasticity||approx. 19,000 N / mm²|
Approx. 1.8 kg/l void