AESTUVER Tx fire-protection boards

AESTUVER Tx fire-protection board

Cement-bonded, glass-fiber reinforced lightweight concrete board to protect concrete structures in underground transport systems against higher thermal stress.

  • Areas of application: For independently fixed tunnel cladding in new construction projects as well as existing structures
  • Characteristics

    Apparent density ρk (dry)

    approx. 680 – 800 kg/m³

    Flexural strength (based on EN 12467 ±10%) 1)

    ≥ 1.5 N/mm²

    Extension / shrinkage reaction to changes in RH of air of 30% (20°C) (in accordance with EN 318)

    ± 0.1%

    Equilibrium moisture at 65% RH of air and 20°C air temp. (in accordance with DIN EN ISO 12570) 1)

    approx. 5%

    Alkalinity (pH value)

    approx. 10

    Bending elasticity modulus in N/mm² (based on EN 12467 ±10%) 1)

    ≥ 2 000 N/mm²

    1) Value for a 20 mm board.

  • Approvals

    Approval

    ETA-17/0170

    Construction material class (in accordance with DIN EN 13501-1)

    non-combustible, A1

    Application category regarding weathering effects
    (as per ETAG 018-1)

    Type Z1, Z2, Y, X

    Construction element classification for civil engineering structures

    International

    Tunnel fire tests in accordance with international time-temperature curves for constructions set in concrete

    RWS120
    RWS180
    HCM120
    ISO240

  • Dimensional tolerance at equilibrium moisture content for standard board sizes

    Length, width, thickness

    ± 1 mm

    Diagonal difference

    ≤ 2 mm

  • Dimensions in mm

    Board size Board thickness

    2 600 x 625

    • 20
    • 25
    • 30
    • 35
    • 40
    • 60