High Modulus Modified Polymer Sealant

High Modulus Modified Polymer Sealant

High Modulus Modified Polymer Sealant is a one part high modulus modified polymer sealant which cures on exposure to moisture vapour to form a tough but elastic rubber.

High Modulus Modified Polymer Sealant is supplied in polyethylene 380ml cartridges and 600ml foils.

Recommended for use with Fire Tape or  EPDM Self Advhesive Strip. Used when and if the above membrane is exposed and where they need to encapsulate/ seal the ends.

Typical Applications

High Modulus Modified Polymer Sealant is recommended for use in many forms of construction including structural joints in heavy cladding, structural movement joints in floors and floor joints in heavily trafficked areas.

Not recommended for joints in lightweight cladding and swimming pools.

Over-paintable once fully cured; pre-use tests are advised to demonstrate compatibility with individual paints.


Product Features

  • Joint Size Suitability
  • Joint Width – Maximum 6mm Maximum 25mm (Single application); 35mm (Multiple applications)
  • Joint Depth – Minimum 10mm on porous substrates (12mm in floor joints) Minimum 6mm on non-porous substrates (12mm in floor joints) Maximum 20mm
  • Width: Depth ratio (within above min/max restrictions)
  • 2:1 butt joints 1:1 lap joints/ floor joints
  • Packaging – 25 x 380ml Polyethylene cartridges per box. Polyethylene Nozzles are included in each box.
  • Storage life – 12 months in original unopened packaging stored in a cool, dry place out of direct sunlight.
  • Health and Safety – No particular health hazards are associated with this product but please consult Material S full information.
  • Accessories ○ Primers – Arbo Primer 2650 (500ml tin) Yield approximately 125 metres per tin ○ Cleaners – Arbo Cleaner No.17 – 1 Litre Tin (Xylene based – not suitable for use with plastics or delic Cleaner No.16 – 1 Litre Tin (Alcohol Based)
  • Ancillary Equipment – Polyethylene Nozzles Arbo Caulking Guns

Enquire About Product

    Skin Time at 20°C/65% RH15 minutes
    Application temperature+5°C to + 35°C
    Service temperature-40°C to +120°C
    Chemical resistanceResistant to most dilute acids and alkalis. Organic solvents may cause the sealant to swell and lose adhesion. Strong cleaning agents can cause surface deterioration and may affect the efficiency of the material.
    UV resistanceVery good
    Service life20 years + (when used in trafficked areas the life may be reduced)
    Movement Accommodation
    Butt joints (movement in tension and compression)35%
    Lap joints (movement in shear)70%
    ColoursWhite, Grey, Black
    Modulus @ 100 % Extension1.12 N/mm2
    Ultimate Elongation220%
    Tensile Strength @ Break1.85 N/mm2