Smoothing Compounds
Product Overview
Bostik ST400 Rapid Repair Mortar is suitable for smoothing and levelling of screeds and concrete floors, up to a maximum thickness of 10 mm in single work step. For thicknesses between 10–30 mm, blend with 0–4 mm sharp sand.
- Fast setting
- Fine-grained
- High filling capacity
- Vertical & horizontal application
- From feather edge to 10 mm
- Can be blended with 0–4 mm grain sand
- Suitable for underfloor heating
- EC1 – very low emission ZP1 – low in chromate
Composition
Synthetic resin modified cement powder
Consumption / Coverage
Approx. 1.6kg/m² per 1mm layer
Set for Walking
After approx. 1hr at 18ºC
Dry For Floor Covering
After approx. 4-24hrs at 18ºC
Applicable Under Castor Wheels
At 2mm or above
Compressive Strength
1 day = 15.7 N/mm²
3 days = 20.7 N/mm²
7 days = 23.1 N/mm²
28 days = 26.8 N/mm²
Packaging
25kg paper bag, 42 units per pallet
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