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Duro Derby

Duro Derby is Fire Retardant, Calibrated, and Boiling Waterproof at the same time. It is truly 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. Conforming to IS:5509 available in Plywood Conforming to IS:1659 (2004) available in Blockboard

  • Calibrated

    Each sheet of plywood is carefully calibrated for a smooth even surface that ensures the absolute best finish for your interiors.

  • Fire Retardant Plywood

    Duro Derby is treated with special Fire Retardant chemicals at the time of manufacturing to ensure safety for all.

  • High Strength and Density

    Duro Derby is manufactured using only high density tropical hardwood and subject to THT process that ensures lifelong strength and unmatched durability.

  • 72 hours BWP Grade

    Duro Derby comes with the added benefit of being manufactured with a high grade Phenol Formaldehyde Boiling Water Proof resin.

  • 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

Conforming 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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