BISEAL RETARDER -SF

BISEAL RETARDER -SF is a superficial setting retarder monocomponent, liquid and ready to use, specially designed to delay concrete surface setting on formwork in order to obtain high-quality exposed aggregate finishes.

By inhibiting the setting of the superficial cement slurry, BISEAL RETARDER -SF allows controlled removal of the surface paste by washing, leaving the aggregate cleanly exposed. This solution is suitable for both on-site concrete works and precast concrete production, ensuring uniform aesthetic results. BISEAL RETARDER -SF is compatible with metal, plastic and wooden formwork, whether smooth or rough, and can be applied on vertical or horizontal surfaces. Its non-drip thixotropic consistency ensures easy application, reduces waste and improves finish control. Non-corrosive, non-toxic and non-flammable, BISEAL RETARDER -SF contributes to safer handling and cleaner mould surfaces, preventing scale formation and residue build-up while facilitating formwork cleaning and reuse.

Applications

Production of exposed aggregate concrete in on-site structural and architectural elements.
Manufacture of precast concrete components with high-quality decorative finishes.
Use on vertical and horizontal formwork surfaces requiring controlled surface retardation.

Advantages

Compatible with all types of moulds and formwork materials.
Uniform exposed aggregate finish with easy surface paste removal.
Non-drip application with good thixotropy for clean and efficient use.
Non-corrosive, non-toxic and non-flammable formulation.
Facilitates cleaning and prolongs the service life of formwork.

Mode of use

Stir the product manually or mechanically at low speed until homogeneous. Apply with roller or brush forming a continuous, uniform film, allow to dry, then pour concrete.

Consumption

Estimated consumption is approximately 0.30 kg/m², depending on formwork texture, porosity, surface condition and application method. On-site testing is recommended.

Packaging

BISEAL RETARDER -SF is supplied in 30 kg and 250 kg drums, suitable for both small-scale applications and large precast or on-site concrete production.

Precautions and safety

Use protective gloves, safety goggles and suitable workwear. Avoid contact with skin and eyes, and wash immediately with clean water if accidental contact occurs.

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