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Firestop Ventilated Mesh VR-W


The Firestop Ventilated Mesh VR-W is specifically designed for fire protection in applications where heat dissipation is essential, such as cable bundles, pipelines, and sensitive equipment. Under normal conditions, its porous mesh structure ensures excellent ventilation. When exposed to flame or high temperatures, the coating rapidly intumesces and carbonizes, sealing the mesh openings to block flame propagation and protect the underlying components.

Category:

Firestop Wraps

Keyword:

Firestop Wraps

  • Product Description
  • Parameter
  • Product Features

    Low initial expansion temperature (150 °C) enables rapid fire response

    High expansion ratio quickly seals mesh openings to prevent direct flame damage

    Combines fire resistance with ventilation and heat dissipation functionality

    Mesh design allows easy visual inspection of the protected components

    Easy to install, low maintenance cost

    Flexible material adapts to irregular shapes and joints

    Product Applications

    Fire protection for high-voltage power cables in tunnels or trenches

    Fireproof wrapping for indoor cable trays and cable bundles

    External fire shielding for critical equipment and infrastructure

    Test Standard

    Chinese National Standard GB2408

  • Product Data

    Appearance & StructureBlack perforated mesh sheet
    Dimensions2000 × 600 × 3 mm
    Main MaterialHigh-silica fiberglass with intumescent polyurethane coating
    PorosityApprox. 40%
    Expansion Ratio5–10×
    Initial Expansion Temperature150 °C
    Flame Resistance Temperature1050 °C
    Flame Retardant RatingUL 94 V-0
    Water ResistanceNo blistering, wrinkling, delamination, or cracking after 15 days immersion
    Installation MethodWrapped around the target area and fastened using metal ties

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