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Board systems

Sealant for Boards

Tecbor Joint Paste

  • Ready-to-use product
    mcr Tecbor Joint Paste is ready for application and requires no additional preparation.
  • Ablative Coating with Aqueous Polymer Dispersion
    Contains polymers that trigger an endothermic reaction in case of fire.
  • Protection Against Fire and Smoke
    Prevents the spread of flames and limits the propagation of fire and smoke.

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Tecbor Joint Paste

Ready-to-use ablative coating for protection against fire and smoke

mcr Tecbor Joint Paste is a ready-to-use product forming an ablative coating with an aqueous polymer dispersion. In the event of fire, it triggers an endothermic reaction, thus preventing the spread of flames and limiting the propagation of fire and smoke.

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Application

Protection of cable trays

  • mcr Tecbor Joint Paste is most commonly used for protecting cable trays to ensure continuity of power supply or signal transmission.

Sealant for cable ducts

  • Also used as a sealant for cable ducts constructed with the mcr Tecbor board system.

Alternative to board enclosures

  • The solution based on mcr Tecbor Joint Paste is ideal wherever board cladding cannot be applied.

Characteristics

Stir the paste before application. The product may be diluted with water, but not exceeding 5% of its weight.

Apply using an airless spray gun; for small surfaces a spatula or brush may also be used.

  • Once applied, the product resists temperatures from -40°C to +80°C without chemical degradation, discoloration, or loss of performance.
  • Do not apply at ambient temperatures below +5°C or above +30°C.
  • The product is not sensitive to moisture and can be used on outdoor surfaces. If the air humidity is high during application, multiple thin layers are recommended to facilitate drying.

Technical specification

Color
Off-white/grey
Odor
Faint
Viscosity
Thin paste
Flash point
Non-flammable
Solid content
66%-76%
Density
1,55 ± 0,07 g/cm³
Solvent
Water, max. 5% by weight
Drying time
24 to 72 hours depending on temperature, humidity, and applied layer thickness. Full curing after one week.
Thickening agent
Special solvent-free spraying

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