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Duro Derby

Duro Derby, from the stable of Duroply Industries Limited., is the mark of unmatched strength and durability. Duro Derby is Calibrated, come with a Lifetime Guarantee against Termite and Borer attacks, and has Fire Retardant Properties.

A unique combination of properties to keep you and your family safe for generations. Ideal for all interior applications, Duro Derby is truly for the elite looking at finding the perfect solution for their home.

  • Calibrated

    Duro Derby has uniform thickness all across which is achieved by calibrating it in modern high end imported machines.

  • Fire Retardant Plywood

    It is treated with special fire retardant chemicals at the time of manufacture to ensure lesser tendency of spark and ignite and a higher flame penetration time.

  • High Strength and Density

    Manufactured using high density tropical hardwood, Duro Derby has earned it such a reputation of 'Atlas' like toughness.

  • 72 hours BWP Grade

    Best quality and extended phenol formaldehyde resin, conforming to BWP grade as per IS:848 used to ensure that Duro Derby stands the test of time.

  • Lifetime Guarantee

    From insect infestations with 3 times money back guarantee. T&C apply.

Technical Specifications

Conforming to IS : 5509

Prescribed Test Values for Conformity Observed Value
Moisture content (%) 5 - 15 10 - 12
Squareness Test (%) < 0.2 < 0.15
Bending Strength:
Parallel to Grain (Kgs/cm2)
Perpendicular to Grain (Kgs/cm2)
450
350
540
450
Modulus of Elasticity (N/mm2) 5000 8900
Modulus of rapture (N/mm2) 50 58
Flammability Test (Mins.) ? 30 43
Flame Penetration (Mins.) ? 15/6mm ? 33
Rate of Burning (loss of
weight from 30% to 70%)
? 20 > 22

Technical Specifications

CConforming to IS : 1659(2004)

Prescribed Test Values for Conformity Observed Value
Moisture content (%) 5 - 15 % 10 - 5
Modulus of Elasticity (N/mm2) 5000 5500-8900
Modulus of rapture (N/mm2) 50 55-52
Water Absorption (%) < 5 < 5
Screw Holding Strength (Kgs) 80 100
Nail Holding Strength (Kgs) 50 55
SquarenessTest (%) 0.2 0.4 - 0.6
Edge Streighness Test (%) 0.2 0.6 - 0.8
Water Resistance Test No delamination after 72 hours in
boiling water at 100°C ± 2°C temperature
conforms

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