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Blockboard

Blockboard
Blockboard
Product Code : BB 01
Brand Name : HARYANA INDUSTRY
Product Description

The BlockBoard is made using high grade material that is duly bonded with melamine urea formaldehyde & fortified phenol formaldehyde synthetic resin. They are known for their highly resistive properties against borer and termite attacks. The BlockBoard possess great precision and uniform thickness. There is no extra gap between the battens and various tests are conducted to maintain the quality of block boards. Apart from this, they are known for their features such as durability, reliability and reasonable price point.

                            TECHNICAL SPECIFICATIONS (IS:1659)

 

          TEST

     ISI REQUIREMENT

  OBSERVED VALUE

1

 

 

a)

 

b)

c)

 

 Dimiensional changes caused by Humidity

Changes, mm

From 65% RH to 90% RH

From 65% RH to 40% RH

Local Planeness

At the  extreme range of

humidity

 

 

+1mm Max

 - 1mm Max

<1/150

No de-lamination at the

Extreme range of humidity

 

 

 

 

 

 

+0.50mm

-0.55mm

< 1/175

No de-lamination

observed

 

2

Adhesion of the plies

 

Minimum pass  standard

Excellent

3

Resistance to water

(72 hours boiling)

No de-lamination after 72 hours boiling

No de-lamination

4

Resistance to micro organisms

No appreciable sign of separation at edges.

No separation

5

Modulus of Elasticity

Min. 5000 N / sq.mm

6050 N/ sq.mm

6

Modulus of Rupture

Min. 50  N / sq.mm

61  N/ sq.mm



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