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Cactus Industrial PMMA-Based Universal Primer

Cactus Industrial PMMA-Based Universal Primer is a solvent-free 2-component methacrylate resin system. It’s used in conjunction with PMMA-Based waterproofing coating, pmma-based self-leveling mortar, pmma-based top coat / sealer coat and anti-slip paint. A high performance multi-surface primer for absorbent and non-absorbent substrates. It delivers excellent adhesion on to concrete, cement screed, asphalt as well as tiles and metals such as untreated steel, stainless steel, aluminum, galvanized sheet metal and other non-absorbent substrates.

Product Type: 2K (2 component) Coating, Primer, Solventless & High Solids Coating

Compatible Substrates & Surfaces: Asphalt, Concrete, Metal

Features: Excellent Substrate Adhesion, Fast Curing, High Performance, High Reactivity, Low Temperature Resistant

Application Method: Brush, Roller

Chemical Family: Methacrylates, Poly(methyl methacrylate) (PMMA)

    Knowde Enhanced TDS

    Identification & Functionality

    Features & Benefits

    Applications & Uses

    Application Method
    Compatible Substrates & Surfaces
    Application Details
    • For Mixing the Product: Twin paddle mixer, steel container.
    • Method of application: Brush, roller.
    PMMA Catalyst Dosages

    Substrate
    Temperature

    PMMA Catalyst Pot Life Hardening Time
    %pbw. approx. minutes approx. minutes
    0°C 3 32 - 36 50 - 60
    +10°C 2 18 - 22 45 - 55
    +20°C 1.5 12 - 14 35 - 45
    Surface Preparation
    • Ensure all areas are clean, dry and free from dust, dirt, corrosion and general surface contamination.
    • All oils, grease, etc. should be removed with suitable degreasing solution pre application onto any pre-applied PMMA.
    • Concrete and steel surfaces should be preferably Bristle Blasted/Grit blasted to SA 2½ in accordance with DIN 55929.
    • Non-ferrous metals must be cleaned and prepared by Bristle Blasting or Grit blasting.
    Advice on Application
    • Due to exothermic reaction with mixing process, please ensure the product is mixed in a steel container.
    • First stir the PMMA-Based Waterproofing liquid Coating with a paddle mixer thoroughly.
    • Then add the PMMA Catalyst while stirring the waterproofing liquid coating at a slow speed.
    • Mix for 1 - 2 minutes.
    • You must not dose less than the given quantity of PMMA Catalyst, as this will jeopardize the curing process.
    • You must also avoid overdosing the PMMA Catalyst, as this can likewise lead to serious curing problems.
    • The material must be applied as soon as the PMMA Catalyst has finished dissolving in the resin components.
    • The mixing time is about 1-2 minutes.
    Equipment Cleaning
    • If work is interrupted or when it is completed, clean the tools thoroughly with cleaning agent within the pot life of the material.
    • This can be done with a brush.
    • Do not use the tools again until the cleaning agent has evaporated fully.
    • Simply immersing the tools in the cleaning agent will not prevent the material from hardening.
    Practical Coverage

    Practical coverage can vary considerably depending on method of application, surface roughness, weather conditions and complexity of the structure.

    Theoretical Coverage

    3.3 kg/m².

    Application Temperature

    0 - 30 °C

    Properties

    Typical Properties
    ValueUnitsTest Method / Conditions
    Solids by Volume100.0%-
    Typical Thickness (DFT)min. 40microns-
    PMMA Catalyst by Weight1.5 - 3%-
    Viscosity180 - 250mPa·s-
    Density (D₄²⁰)0.99g/cm³EN ISO 2811-2
    Flash Point10.0Flash PointDIN 51 755

    Safety & Health

    Safety Advice
    • Avoid skin and eye contact i.e. wear gloves, goggles, etc.
    • Ensure good ventilation, mechanical if necessary.
    • Store and use away from heat and flame.
    • Do not eat or smoke in the vicinity of work.
    • Wash hands before eating.

    Packaging & Availability

    Packaging

    10kg container.

    Storage & Handling

    Pot Life
    • At +20°C 100g, 1.5% pbw. PMMA Catalyst
    • Approx. 12 - 14 minutes.
    • Applies only to two component products and refers to the time the mixture remains usable.
    Storage & Handling

    Storage:

    • Store in a safe place out of the reach of children.

    Shelf Life:

    • 6 months if stored in the unopened original container in a dry min. 5°C frost-free location.