• Betofix KHB

    Article No. 108725

    Betofix KHB

    Mineral corrosion protection and bonding layer

    1087 | grey
    Size / Quantity

    Brochures and Catalogues


    Product specifications

    External surveillance QDB and KIWA
    Maximum grain size ≤ 1.0 mm
    Bond strength (28 d) ≥ 2.0 N/mm²
    Bulk density Approx. 1.3 kg/l
    Water requirement Approx. 1.0 - 1.1 l/5 kg
    Corrosion protection 5.0-5.2 l/25 kg
    Bonding layer 5.0-5.5 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/walls/ceilings indoors and outdoors
    • Interior and exterior use
    • Protects against corrosion
    • In the Betofix concrete repair system for concrete coverage ≤ 10 mm
    • Bonding layer on mineral building material surfaces
    • System component PCC/M3 system


    • Active anti-rust pigments
    • Plastic-modified
    • High tensile adhesion strength
    • Listed in BASt
    • Certified in accordance with DIN EN 1504-7
    • Sulphate-resistant
    • Preparation
      • Substrate requirements

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

      • Preparations

        Degree of purity SA 2 ½ if applying corrosion protection, otherwise SA 2

    • Application
      • Application temperature: min. 5 °C max. 30 °C
      • Brush
      • Application requirements

        Temperature of the material, air and substrate: from min. +5 °C to max. +30 °C

      • Corrosion protection

        Apply two layers of slurry with a thickness of min. 1 mm each, making sure the entire surface is covered.

        Waiting time between layers: approx. 30 minutes.


        Bonding layer

        Using a suitable tool, apply the product as a contact layer.

        Carry out subsequent work wet-on-wet within the processing time.


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

    • Working tools / cleaning
      • Brush
      • Mixing tool, brush

        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
      • Approx. Approx. 1.8 kg / m² per layer applied
      • Approx. 1.8 kg/m² per coat

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

        Betofix R4 PCC concrete replacement system does not require a separate bonding layer (see basic examination for system structure).

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

    • 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.