| Grade:
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B(S)
|
BB
|
CP
|
L
|
C
|
|
At right:
Photos representing typical defects on face and back of sheet (insert).
Defect Categories
|
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|
|
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| Knots: light, inosculated
and sound
|
Up to 10mm Some allowed (up to 8 per 1m2
of the surface)
|
Allowed
|
Allowed
|
Allowed
|
Allowed
|
|
| Knots: dark
|
Up to 5mm Allowed
|
Up to 20mm Allowed
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Up to 25mm Allowed
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With splits up to 1.5mm wide Allowed
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Up to 65mm Allowed
|
|
| Rot and non-inosculated
knots, open defects
|
Up to 5mm Allowed (up to 2 per 1m2 of
the surface)
|
Up to 6mm Allowed (up to 2 per 1m2 of
the surface)
|
Up to 6mm Allowed (up to 5 per 1m2 of
the surface)
|
Up to 20mm Allowed
|
Up to 40mm Allowed (up to 10 per 1m2 of
the surface)
|
|
| Deviation in wood
structure
|
Very insignificant, incidental disposition Allowed
|
Allowed
|
Allowed
|
Allowed
|
Allowed
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| Lengthwise splits
and cracks caused by drying / open
|
Not allowed
|
Up to 2mm wide & 200mm long Allowed (up to
1 per 1m of sheet width)
|
Up to 2mm wide & 200mm long Allowed (up to
3 per 1m of sheet width)
|
Up to 4mm wide & 500mm long Allowed
|
Up to 10mm wide & 400mm long Allowed (up to
2 per 1m of sheet width)
|
|
| Lengthwise splits
and cracks caused by drying / closed
|
Not allowed
|
Up to 200mm long Allowed (up to 3 per 1m
of sheet width)
|
Allowed
|
Allowed
|
Allowed
|
|
| Color variation
|
Up to 15% of the sheet surface Allowed
|
Up to 50% of the sheet surface Allowed
|
Up to 75% of the sheet surface Allowed
|
Allowed
|
Allowed
|
|
| Gap in slice joint
|
Not allowed
|
Not allowed
|
Width of no more than 1mm in 1 piece for 1M of
panel sheet Allowed
|
Width of no more than 2mm in 1 piece for 1M of
panel sheet Allowed
|
Allowed
|
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| Veneer overlap
|
Not allowed
|
Allowed
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No more than 1 piece for 1m of panel width Allowed
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No more than 2 pieces for 1m of panel width Allowed
|
Allowed
|
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| Indentations or
imprints
|
Not allowed
|
Not allowed
|
If depth/height is in range of thickness variance
Allowed
|
If depth/height is in range of thickness variance
Allowed
|
Allowed
|
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| Surface roughness
|
Not allowed
|
Not allowed
|
Up to 5% of sheet surface Allowed
|
Up to 5% of sheet surface Allowed
|
Allowed
|
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| Sanding through
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Not allowed
|
Not allowed
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Up to 1% of sheet surface Allowed
|
Up to 1% of sheet surface Allowed
|
Allowed
|
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| Color variations
from glue exudation
|
Not allowed
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Up to 3% of sheet surface Allowed
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Up to 5% of sheet surface Allowed
|
Allowed
|
Allowed
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| Repairs/patches
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Not allowed
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Up to 8 per 1m2 of sheet surface)Allowed
|
Allowed
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Allowed
|
Allowed
|
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| Repairs/putty
|
Not allowed
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Not allowed
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Up to 1% of sheet surface Allowed
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Allowed
|
Allowed
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| Edge sanding and
cutting defects
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Not allowed
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Allowed up to 2mm in from edge
|
Allowed up to 2mm in from edge
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Allowed up to 5mm in from edge
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Allowed up to 5mm in from edge
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