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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