Bison Board
Bison Board Physical Properties Density 1250 Kgs/cu mts (1100Kgs/cu mts minimum as per BIS Moisture Content 9% +/- 3% at Factory Point Modulus of Elasticity 3000 N/sq. mm Bending Strength 9 N/sq. mm Transverse Tensile Strength 0.4 N/sq. mm Compressive Strength 15 N/ sq. mm Surface Alkalinity pH Between 11& 13 Nail Holding Power Perpendicular Surface 205 kgs Screw Holding 312 kgs Fire Resistance Bison Panel is highly fire resistant & has been classified as an incombustible material in many countries around the globe. Tested in accordance with BS 476 - Fire test on building materials & structures, Parts 6, 7 have classified it as a class 'O' building board with class I surface spread of flame. Bison can be used for the construction of fire resistant building elements to satisfy the criteria of I.S.O. 834 - 1975 & I.S. 3809 - 1979 for 1/2 hour to 4 hours fire rating. Weather Resistance With cement constituting 62% of its composition, Bison offers excellent resistance to weather. The board has been subjected to many cycles of soaking, freezing, & heating without any sign of disintegration. The board should generally be painted or for external applications to provide a weather seal. Sound Insulation Properties Air borne sound reduction varies between 30 & 37 db for the frequency range 100 - 3150 Hz according to the thickness of Bison Panel. When used in stud partitioning, a reduction of over 60 db can be achieved with suitable construction. Thickness (mm) 6 8 10 12 16 18 20 30 40 Reduction (db) 29 30 31 32 33 35 35 36 37 Durability Due to dense monolithic structure, installations throughout the world show that even without sealing, the cement bonded particle board suffers insignificant deterioration when exposed to extreme climatic conditions. The board can withstand any temperature from -40 to +90 deg. C. Bison Panel contains no hazardous material like Asbestos or Formaldehyde. Its process dust is harmless. When sawing, cutting, or drilling the board, the use of a dust mask is recommeded as power tools, in particular, can produce fine nuisance dust. Volume & Weight Table

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