DURATEX

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PROPERTIES

DURATEX® is perfect building material, confirming to Energy Conservation building Code (ECBC), Indian Standard IS : 3308 and International standard i.e, DIN-1101 : BS-1105

Specification of properties of Duratex®- Wood Wool Building Boards:


A.Specific Gravity

Light boards for insulation only: 360 kg/m3
Denser boards for rood and permanent shuttering: 500 kg/m3

B.Insulation Value:

Light boards for insulation only: y=0.06 Kcal/mh
Denser boards for rood and permanent shuttering: y=0.07 Kcal/mh

C.Bending Strenth:

20-30 kg/m2




D.Sound Absorption:

For a suspended ceiling of 2.5 cm boards frequency: 250 500 1000 2000 4000 c/s
Absorption coefficient: 0.67 0.48 0.44 0.72 0.73

E.Sound Transmission:

Resistance of a plastered wall of 5 cm wood-wool boards: 36-40 dB
Resistance of a plastered double wall with air space in between: 53-57 dB
Resistance of wall of permanent shuttering with a core of 12 cm concrete: 54-56 dB

F.Fire Resistance (test according to BS 476):

5 cm board: 1 hour resistance
7.5 cm board (12 mm plastered both sides): 2 hour resistance
10 cm board: 4 hour resistance

G.Water Resistance:

Emersed in water for 10 years: No deterioration


H.Fungi Resistance:

Resistance against dry rot and fungal growth and also impervious to all form of vermin


I.Termite Proof:

Termites do not attack the product


J.Workability:

Wood-wool boards/slabs can be sawed, nailed or painted and can easily be plastered with mortar or gypsum.