• Underwater Primer

    Article No. 745083

    Underwater Primer

    Two-component primer for joint sealants in permanently wet areas

    7450 | Underwater Primer
    Size / Quantity

    Product specifications

    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 indoors and outdoors
    • Underwater areas
    • Joints that are permanently wet or underwater
    • On highly porous substrates
    • Primer for silicone and PUR sealants


    • Resistant to permanent water exposure
    • Quick-drying
    • Optimum adhesion on many substrates
    • Preparation
      • Substrate requirements

        Joint sides must be clean, dry, free from grease and capable of bearing a load.

    • Application
      • Application temperature: min. 5 °C max. 40 °C
      • Brush
      • Application requirements

        Temperature of the material, surroundings and substrate: from min. +5 °C to max. +40 °C

      • Using a suitable mixer, mix the material intensively for approx. 3-5 minutes until homogeneous.

        Apply the material using a suitable tool.

        Apply the next material within the specified reaction time (Δ min/max).

    • Application instructions
      • Low temperatures increase the setting time, while high temperatures decrease it.

        Do not use on PMMA (e.g. Plexiglas).

        When working on plastics, test first on an inconspicuous place.

        Take appropriate measures to protect adjacent building elements and materials that should not come into contact with the product.

    • Working tools / cleaning
      • Suitable stirrer, brush

      • Clean tools immediately after use with V 101 Thinner.

    • Storage / shelf life
      • Store frost-free and cool / protect for moisture / close containers
      • Shelf-life 24 months
      • If stored unopened in its original container in a cool, dry place and protected against frost, the product will keep for at least 24 months.

    • Usage
      • According to needs

      • Apply to a large enough trial area to determine the precise amount required.

    • General information
      • The applicable regulations and legal requirements must be observed.

        The relevant test certificates must be observed when planning and carrying out work.

        Always set up a trial area/trial areas first.

        Use only outdoors or in a well-ventilated area.

    • 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.