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Specifications of Ramco Hicem Fibre Cement Boards

SPECIFICATIONS

PROPERTIES UNIT STANDARD VALUES
Dimensional Characteristics:
Thickness mm IS 14862:2000 4, 6, 8, 10, 12, 16 and 18
Nominal Length mm IS 14862:2000 595, 610, 1195, 1220, 1830 and 2440
Nominal Length mm IS 14862:2000 595, 610 and 1220
Mechanical and Physical Characteristics:
Apparent Density (Dry) Kg/m3 IS 14862:2000 >1200
Modulus of Rupture (EMC) MPa IS 14862:2000 14 - Parallel, 8 - Perpendicular
Impact Strength J/m² - >2100
Tensile Strength MPa ASTM D1037 20 - Parallel, 18 - Perpendicular
Screw Withdrawal Strength N IS:2380 Part XIV >2400
Moisture Content (EMC) % - <12
Chemical Characteristics:
Alkalinity pΗ - 8 - 9
Sound Insulation:
Acoustic Insulation (12mm thick) dB ISO 140-3:1995 31 db
Heat Insulation:
Thermal Conductivity W/m-K ASTM C177 and ISO 8302 0.18
Fire Protection:
Combustibility - BS 476:Part 4:1970 Non-combustible
Ignitability - BS 476:Part 5:1979 ‘P’ Not Easily Ignitable
Fire Propagation Index - BS 476:Part 6:1989 I - 0.7
Surface Spread of Flame - BS 476:Part 7:1997 Class - 1
Durability:
Water Impermeability - IS 14862:2000 0% Leakage
Freeze Thaw Test - IS 14862:2000 Passes 100 Cycles (2 hours cycle)
Warm Water - IS 14862:2000 Passes 100 Cycles (2.5 hours cycle)
Soak Dry - IS 14862:2000 Passes 50 Cycles (2 hours cycle)
Heat Rain - IS 14862:2000 Passes 50 Cycles (2.5 hours cycle)
Biological - - No fungus growth or termite attack
Wet dry shrinkage % - 0.2%
Water absorption % - 38%
 

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