Fire protection board T

Fire protection board T

Lightweight concrete slab reinforced with glass fibers bonded with cement to protect concrete structures in underground transportation systems from higher thermal stress.

Fields of application: Tunnel lining laid in concrete, mainly in new construction projects

 

Features

CategoryValue / Description
Features
Apparent density ρk (dry)≈ 690 – 980 kg/m³
Bending strength (EN 12467 ±10%)≈ 3.5 N/mm²
Thermal conductivity λR (DIN 12667)≈ 0.175 W/mK
Elongation/Shrinkage (change RH 30%, 20°C, EN 318)≈ 0.15%
Equilibrium humidity (65% RH, 20°C, EN ISO 12570)≈ 7%
Compressive strength (EN 789)≈ 9 N/mm²
Alkalinity (pH value)≈ 12
Flexural modulus of elasticity (EN 12467 ±10%)≈ 2 000 N/mm²
Value for 20 mm boardAccording to manufacturer's specification
approval
Building material class (DIN EN 13501-1)Non-combustible, A1
Classification of building elementsInternational engineering structure
Fire tests (international standards, ZTV/EBA)RWS120, RWS180, HC180, HCM120, HCM180
Dimensional tolerances
Length and width± 1mm
Diagonal difference≤ 2mm
Thickness± 1mm
Available sizes
Plate size (mm)2600 × 625 mm
Available thicknesses (mm)10 / 15 / 20 / 25 / 30 / 35 / 40 / 50 / 60