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Untitled Document

Block Board

Standard Thickness : 19mm ,25mm

Available Sizes in mm :

  • 2440x1220, 2440x915
  • 2135x1220, 2135x915
  • 1830x1220, 1830x915
  •  

In feet :  8x4, 8x3,

              7x4, 7x3,

              6x4, 6x3, 6x2.5


Technical Specification:

Property

Unit

Requirements of IS: 1659

Test Results

Length Tolerance

mm

-0, +6mm

+6mm -0mm

Width Tolerance

mm

-0, +3mm

+3mm -0mm

Thickness Tolerance

--

-5, +5mm

+2mm +2mm

Variation in Thickness

mm

Less than 0.25mm

---

Square ness (max)

%

0.2

0.1

Edge Straightness

%

0.2

0.1

Water Resistance

Cyclic test

1 Cycle

2 Cycle

Dimension Change

mm

-1mm +1mm

-0.5+0.5mm

Caused by Humidity

---

---

---

Mycological Test

21 days test

Once

Twise

Adhesion of plies

---

Pass

Excellent

Spot Test

---

Colour Change

Yellow to Red

MOE & Mor Test

(A) Mor (Min)

     Average


N/Sq.mm


34

40


38

45

(B) Mor(min)

    Average

N/Sq.mm

3400

4000

3800

4500

  
 
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