Grade C. We recommend using grade C in case a final product is being toned, or if a customer wishes to put emphasis on natural solid panel, originality and uniqueness of furniture or other products.
Other DC grades:
Combination of grades of the face and revers sides gives a general grade of blanks (A/B - A/C).
Dimension components (DC). Grade A/B
Dimension components (DC). Grade A/C
Dimension components (DC). Grade B/C
Lengths are divided into 4 groups:
Very long - 1201mm-1600 mm
Long - 601mm-1200 mm
Middle length - 451mm-600 mm
Short - 301mm-450 mm
Standard workpieces thickness -22.0 and 24.0 mm.
Standard width - 95.0 and 75.0 mm.
Other thickness and width are available upon agreement.
STANDART REQUIREMENTD FOR QUALITY OF DC
Category |
Surface A |
Surface B |
Surface C |
Surface appearance and wood color |
Uniform appearance and color, only small deviations of wood tone are allowed |
Strict color matching is not required, differing areas are allowed |
Strict color matching is not required, differing areas are allowed |
Wood grain |
Regular grain only |
Irregular grain is allowed |
Irregular grain is allowed |
Sound ingrown knots |
Single knots are acceptable in diameter up to 5mm |
Allowed in diameter up to 10 mm spaced evenly on the surface |
Allowed in diameter up to 30 mm spaced evenly on the surface |
Pin knots (diameter up to 3 mm) |
Single pin knots are allowed |
Allowed |
Allowed |
Black knots, partially ingrown and open knots |
Not allowed |
Allowed single in diameter up to 5 mm |
Allowed in diameter up to 15 mm |
False heartwood |
Not allowed |
Single strips or areas of light-toned false heartwood are allowed |
Allowed without limitation |
Dried water streaks |
Not allowed |
Firm light-toned streaks in size up to 5x50mm are allowed |
Allowed |
Mineral srteaks |
Insignificant amount is allowed |
Allowed |
Allowed |
Nonthrough cracks or checks |
Not allowed |
Fine nonthrough checks in length up to 50 mm are allowed |
Fine nonthrough checks in length up to 50 mm are allowed |
Ingrown bark |
Not allowed |
Not allowed |
Allowed |
Decay, mould,wormholes |
Not allowed |
Not allowed |
Not allowed |
Sanding defects |
Not allowed |
Not allowed |
Allowed single areas in length up to 50 mm |
Fractures, tore-outs and other processing defects |
Not allowed |
Not allowed |
Single allowed |