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| Home > Quality Standards > Edge Bands |
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Quality Standard for Finger Joined Wood Veneers |
Defects |
Item |
A |
B |
C |
Knots, Holes, Inbark |
Total numbers/m² |
Width of veneer ≤ 120 mm |
1 |
1 |
1 |
Width of veneer > 120 mm |
2 |
2 |
2 |
Live knot |
Broad-leaved timber |
Max. Diameter (mm) |
20 (ignored if < 5) |
Not restricted |
Not restricted |
Coniferous wood |
5 (ignored if < 2) |
10 (ignored if < 5) |
20 (ignored if < 5) |
Dead knot |
Max. Diameter (mm) |
Not allowed |
Not allowed |
4 (if < 2 not counted) |
Bark |
Light Color |
Max. Length (mm) |
Not allowed |
20 (ignored if < 10) |
30 (ignored if < 10) |
Deep Color |
Not allowed |
Not allowed |
5 (ignored if < 5) |
Resin pocket |
Max. Length (mm) |
Not allowed |
Not allowed |
5 |
Discoloration |
Not over (mm) |
Not allowed |
Not allowed |
10 |
Split |
Width (mm) |
Closed |
Closed |
Closed |
< 0.5 |
Not over the length of veneer (%) |
Not allowed |
10 |
5 |
15 |
10 |
Torn grain |
Not over the m² of veneer (%) |
Not allowed |
1 |
5 |
Wrinkles |
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Not allowed |
Not allowed |
5 |
Wormhole |
Max. Dia. (mm) |
Not allowed |
2(ignored if < 0.5) |
4 (ignored if < 2) |
Dimensional tolerance |
Length (mm) |
+ 25.4, - 0.0 |
+ 25.4, - 0.0 |
+ 25.4, - 0.0 |
Width (mm) |
+ 4, - 0.0 |
+ 4, - 0.0 |
+ 4, - 0.0 |
Thickness (mm) |
+/- 0.04 |
+/- 0.04 |
+/- 0.04 |
MC |
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6 - 10% |
6 - 10% |
6 - 10% |
Fabric |
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Color and weight of fabric (15g, 20g, 30g, 40g, 50g) to be determined by both sides; Good bond strength and no wrinkles. |
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