Basic Board: Non-asbestos fibre cement board
Thickness range: 6mm-18mm
Standard Size: 1220x2440mm, 1200x2400mm
Density minimum 1.50-1.60 g/m3
Fire Resistance: In accordance with BS476 Part20&22:1987; GB8624 Class A (CNS6532)
Thermal conductivity: 0.279W/mk
Coefficient of Thermal Expansion: <6.75x10-6m/m.k
Coefficient of Moisture Expansion: <0.10%
Coefficient of Dry Shrinkage: <0.10%
Bending Stress:≧18.0N/mm2
Impact Strength: >4.0KJ/m2
Screw Pullout Force: ≧150N/mm
Water Absorption: <5%
Anti-freezing: No distortion after 25 repeated cycles of freezing and thawing
Radioactivity: conforming to GB6566-2001 Grade A Standard
Edges: Square
Hardness: 3H-6H
Abrasive resistance: 5 L/um
Weather ability: 3000 H
