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Description

Den Braven Polyflex 452 HM is a high-modulus elastic sealant designed for demanding construction and industrial applications. It is formulated for both interior and exterior use, delivering strong adhesion, long-term flexibility, and excellent resistance to mechanical stress and movement. Suitable for elastic bonding and floor expansion joints, it performs reliably in heavy-duty environments such as metal construction, shipbuilding, container fabrication, refrigeration plants, automotive assembly, caravans, mobile homes, aircraft components, and railway systems. Its high mechanical strength and durability make it a preferred choice for professional sealing and bonding tasks requiring performance under dynamic loads.

Available Pack Sizes

• 300 mL (White / Black)

Stock Status

In Stock

Product Highlights

  • High-modulus elastic sealant for heavy-duty applications
  • Suitable for interior and exterior floor expansion joints
  • Excellent adhesion to a wide range of industrial substrates
  • Designed to withstand dynamic mechanical stress
  • Ideal for metal fabrication, transportation, and engineering industries
  • Resistant to weathering, temperature variations, and vibration

Technical Specifications

PropertySpecification
TypeHigh-modulus elastic sealant
ColoursWhite, Black
Primary UseElastic bonding and expansion joint sealing
Application AreasMetal fabrication, construction, shipbuilding, transportation, industrial assemblies
Surface CompatibilityMetals, composites, concrete, engineered surfaces
DurabilityHighly resistant to vibration, weather, and mechanical stress

Application Instructions

  • Ensure the bonding surfaces are clean, dry, and free of dust, oil, or contaminants.
  • Cut nozzle to desired bead size and load into a standard caulking gun.
  • Apply evenly along the joint or bonding surface.
  • Tool the sealant immediately for a smooth finish.
  • Allow adequate curing depending on joint depth and ambient conditions.

Coverage Calculator

  • One 300 mL cartridge typically yields 10–14 meters of sealant at a standard bead size (5 mm).

Suitable Applications

  • Interior and exterior floor expansion joints
  • Elastic bonding in metal and mechanical construction
  • Shipbuilding and container manufacturing
  • Refrigeration plant assembly sealing
  • Automotive, caravan, and mobile home construction
  • Aircraft and railway industry bonding and repairs

Compatibility & Limitations

  • Compatible with a wide range of metals and construction materials
  • Not recommended for structural glazing unless approved
  • Ensure compatibility with specialty coatings before use
  • Avoid applying to very wet or contaminated surfaces

Safety & Handling

  • Use in a well-ventilated area
  • Avoid direct contact with eyes and skin
  • Store between recommended temperatures in a dry place
  • Keep out of reach of children

Frequently Asked Questions

It is used for elastic bonding and sealing expansion joints in industrial and construction environments.

Yes, it performs well in both interior and exterior conditions.

Metal construction, shipbuilding, automotive, refrigeration plants, caravans, mobile homes, aircraft, and railway manufacturing.

White and Black.

300 mL.

Yes, it is designed to withstand vibration, movement, and mechanical loads.

Yes, it shows excellent adhesion on metals and engineered surfaces.

Yes, it is resistant to weather, UV, and temperature changes.

Yes, it performs well in interior and exterior expansion joint applications.

Generally no, but primer use may be recommended for certain difficult surfaces.

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Additional Details

  • Accept Payments:Credit Cards, Bank Transfer, Mobile Payments
  • Delivery:Yes
  • Take Out:Yes
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