White oak solid flooring
A - grade: the face shall be practically free of defects- no sap wood/ no heart wood/ no blue stain/ and no crack. A grade admits some small healthy knots with a max. Diameter of 5.4 mm, with an allowance of 2 knots every running meter for 90mm wide and below. 3 knots are allowed for 120 mm wide and above. Uniform of color with small limited character marks.
B - grade : the face may contain small streaks, burls, slight imperfections, black lines, black colored knots and tight knots which do not exceed 2.45mm, with an allowance of 4 knots every running meter for 90mm wide and below. 6 knots are allowed for 120 mm wide and above. Knots should be repaired. In principle free of sapwood. . More color variation allowed within the parcel.
C - grade : the face may contain sapwood, big streaks, burls, imperfections, and knots which do not exceed 3.54mm in diameter. No pin worm hole is allowed. C- grade allows colored repaired knots. Sapwood is allowed for max. 30% of the width and 30% of the height. Sapwood should be repaired.
- kd: 12%
- less than 2 mm bending over 1000mm running meter cupping is not allowed.
- tolerance on length: +/- 1 mm
- tolerance on thickness: +/- 0.1mm ( 15 thick and less), +/- 0.2mm ( 18 thick and less )
Nylon, carton and pallet
