Article No. 106325

    Betofix QR2

    Fast-acting, swellable grout

    Colour: grey | 1063
    Packaging unit

    Product specifications

    On delivery

    Compressive strength 1 h ≥ 10 N/mm²
    3 h ≥ 14 N/mm²
    24 h ≥ 30 N/mm²
    7 d ≥ 40 N/mm²
    Compressive strength (28 d) ≥ 45 N/mm²
    Initial setting (20 °C) Approx. 15 minutes
    Bulk density of fresh mortar Approx. 2.2 kg/dm³
    Maximum grain size 2 mm
    Consistency of the mixture Approx. 25 cm (slump)
    Layer thickness 10 - 50 mm
    Water requirement Approx. 14 -15% corresponds to 3.5 - 3.8 l/25 kg

    The stated values represent typical product characteristics and are not to be construed as binding product specifications.

    Field of application

    • For use on floors indoors and outdoors
    • Indoors and outdoors
    • Mineral substrates in dry, damp, wet and underwater areas
    • Placing and repairing manhole rings and manhole covers
    • For rapid closing of pipe lead-throughs, cavities and missing areas
    • Sealing and closing off leaks and damp areas


    • Very high early strength (capable of bearing loads after 45 minutes)
    • Swelling capable
    • Water impermeable
    • Corrosion-inhibiting
    • Freeze/thaw-resistant
    • Preparation
      • Substrate requirements

        Clean, dust-free and capable of supporting a load.

      • Preparations

        Pre-wet the substrate so that it is slightly moist.

        Expose the grains close to the surface

        The substrate must have an average pull-off strength of at least 1.5 N/mm²

    • Application
      • Curtain coating
      • Application temperature: min. 5 °C max. 25 °C
      • Application requirements

        Temperature of the material, air and substrate: from min. +5 °C to max. +25 °C.

      • Construct formwork if necessary.

        Pour the mortar into the formwork using a suitable filling device.

        Re-compact if necessary.

    • Application instructions
      • Once it has hardened, mortar must not be made workable again by adding either water or more wet mortar.

        Protect wet mortar surfaces against frost, rain and drying out too quickly for at least 4 days.

    • Working tools / cleaning
      • Curtain coating
      • Mixer: single-shaft and twin-shaft mixer

      • Clean tools with water while the material is still fresh.

    • Storage / shelf life
      • Protect form moisture
      • Shelf-life 12 months
      • If stored in an unopened container and in a dry place, the product will keep for approx. 12 months.

    • Usage
      • 2 kg / l void
      • Approx. 2.0 kg/l cavity

    • General information
      • The mixing water must be of drinking water quality.

        Low chromate content in accordance with Directive 2003/53/EC.

        The characteristic data of the product were calculated under laboratory conditions at 20°C and 65% relative humidity.

        Alkaline binders may cause a dissolution process on non-ferrous metals.

        On account of the fast setting time, do not mix more mortar than is actually needed.

    • Disposal instructions
      • Larger quantities of leftover product should be disposed of in the original containers in accordance with the applicable regulations. Completely empty, clean containers should be recycled. Do not dispose of together with household waste. Do not allow to enter the sewage system. Do not empty into drains.

    • Safety / regulations
      • For further information on the safety aspects of transporting, storing and handling the product and on disposal and environmental matters, please see the current Safety Data Sheet.