Blockboards

AK/Apple MR Grade Blockboard

AK/Apple MR Grade block boards are preferred choice of material for any interior furniture. It is made up of high quality timber and innovative machine and the board is widely accepted for its durability and finish. The unique procedures ensure all block boards manufactured from AK are high strength, dimensionally stable, having smooth surface and resistance to borer attack.It comes with 6 years warranty.
  • Panel sizes A range of sizes is available including common sizes such as 8’x4’, 8’x3’, 7’x4’, 7’x3’, 6’x4’, 6’x3’ as well as special order sizes.
  • Thickness Common thickness range from 19, 25, 30, 35,40mm.
  • Bond/Adhesive Urea formaldehyde (UF) for moisture resistance and low formaldehyde formulations for compliance to emission level requirements such as E1.
  • Standard Conforms to Indian standard IS 1659:2004. (Bureau of Indian Standards) is produced in compliance with internationally recognized standards such as (An ISO 9001 certified company)

Technical information as per IS 1659

No. TESTS PRESCRIBED VALUE VALUE OBTAINED
1 Dimensions, mm
  a) Length
  b) Width
  c) Thickness
  Squareness, %
  Edge straightness, %

Tolerance +6mm -0mm
Tolerance +3mm -0mm
±5%
0.2%
0.2%

+2mm
+1mm
+4%
0.05%
0.06%
2 Dimensional Changes Caused By Humidity
 a) Changes in length, mm.
  From 65% RH to 90% RH
  From 65% RH to 40% RH
 b) Changes in thickness, mm
  From 65% RH to 90% RH
  From 65% RH to 40% RH
 c) Local plainness
 d) At the extreme ranges of Humidity



±1
±1

±1
±1
Less than 1/150
No delamination



+0.46
-0.44

+0.52
-0.52
1/160
No delamination
3 Adhesion of plies (Knife Test) Minimum Pass Standard Excellent
4 Resistance to water (3 hr. soaking in water at 60+/- 20 C ) Minimum Pass Standard Excellent
5 Resistance to microorganisms (Mycological Test) No sign of separation at the edges Conforms
6 Modulus of Elasticity, N/mm2 Min.4000 5380
7 Modulus of Rupture, N/mm2 Min.40 57
8 Spot test Treated Treated