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Home > Quality Standards > Particle Board
  
  
  
  Plywood   Block Board   Particle Board   3 Ply Shuttering Panels
Raw PB | PB with melamine | PB with veneer
  
Raw Particle Board Quality Standard
Defects

A

B C

Spots, Dirt & Similar Surface Defects

Not allowed

Not allowed

Slight

Break Mark or Crack Not allowed Not allowed Not allowed
Looseness Not allowed Not allowed Slight
Density Difference of 3 Plies Not allowed Not allowed Not allowed
Edge/Core Roughness Not allowed Not allowed Slight
Excess Sanding at Edge Not allowed Slight Slight
Surface Roughness Not allowed Not allowed Slight

Scratches

Not allowed

Max. no. 1
Max. area 2 x 100 mm

Slight

Imprints

Not allowed

Slight

Slight

Surface & Edge Defects

Not allowed

Max. size 2 mm

Max. size 3 mm

Other Defects

Should not impair product aesthetics

N.B. When a particular grade has been agreed for one face, the other face shall be considered acceptable provided that it meets grade C.


Dimensional Tolerances

Item Dimension Tolerance
Thickness (mm) < 9 +/- 0.30
≥ 9 +/- 0.50
Width (mm) 1220 +/- 0.50
Length (mm) 2440 +/- 1
Cross Length (mm)   ≤ 2
Cross Length Warping (mm)   ≤ 4
Length Warping (mm) For Particle Board with a thickness > 6, warping shall not exceed 1.0% of the length

Physical and Mechanical Properties

Item Parbicle Board Base
Moisture Content (%) 8 - 12
Adherence Test at the Core Maximum separation after boiling and stretching 25 mm
Adhesive Strength of the Veneer (MPa) ≥ 0.50

N.B. Different specifications can be considered

 



  
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