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| Home > Quality Standards > Particle Board |
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Particle Board with Melanmine Quality Standard |
| Defects |
A |
B |
C |
Spots, Dirt & Similar
Surface Defects |
Not allowed |
Not allowed
|
Slight
|
| Looseness |
Not allowed |
Not allowed |
Slight |
Discoloration |
Not allowed |
Not allowed |
Slight |
| Missing Glue |
Not allowed |
Not allowed |
Slight |
Edge Defects or Gaps |
Not allowed |
Max. size 2 mm |
Max. size 3 mm |
Uneven Surface |
Not allowed |
Slight |
Slight |
| Splits |
Not allowed
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Not allowed
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Not allowed
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Scratches |
Not allowed
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Max. no. 1
Max. area 2 x 100 mm
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Slight |
Blisters |
Not allowed
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Not allowed
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Not allowed
|
Edge Defects |
Not allowed |
Max. size 2 mm |
Max. size 3 mm |
Gloss Unevenness |
Not allowed |
Slight |
Slight |
Delamination |
Not allowed
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Not allowed
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Not allowed
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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 Warping (mm) |
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≤ 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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