fiber cement polyurethane sandwich panel good themal insulation high strength flammability: DIN4102-1 B1
Fiber cement sandwich panel Produced by continuous line
Face material: glass fiber cement
thickness: 30, 40, 50 mm
original width: 1200mm,
Customized specification is accepted.
GB/T21558-2008 ( refer ISO4898:2006 )
Rigid polyurethane cellular plastics used in the thermal insulation of building
Apparent core density | kg/m3 | ≥35 |
Initial thermal conductivity Average temperature 10°C, 28 days or Average temperature 23°C, 28 days | W/(m.k) | ≤0.022 ≤0.024 |
Closed-cell rate | % | ≥90 |
tensile strength perpendicular to the plane of the board | MPa | ≥0.1, failure position lie in adhesion interface do not allowed |
Compressive strength 10% deformation | kPa | ≥180 |
Dimensional stability 48h 70°C 48h -30°C | (%) | ≤2 ≤1.5 |
Compression creep 80°C 20kpa 48h 70°C 40kpa 7days | % | 5 |
water vapor permeability | ng / Pa.m.s | ≤6.5 |
Water absorption | % | ≤3 |
Flammability: B1 DIN4102-1
Smoke density rank | SDR | ≤75 |
Minimum value of remaining length after burning | MM | >0 |
Average value of remaining length after burning | MM | ≥150 |
Height of the top of the flame | MM | ≤150 not allowed flaming debris ignite filter paper |
Average smoke temperature | °C | ≤200 |
B1 fibre cement sandwich panel
