SLICED VENEER inspection checklist quality control

SLICED VENEER inspection checklist quality control

TECHNICAL SPECIFICATION ON SLICED VENEER

Oak, sycamore, cherry, ash veneer

Species: White oak, sycamore,  ash
Dimensions: Thickness:
Width:
Length:
0.55 mm (basic) and up
100 mm and up
500..3500 mm
Moistness: 6..8%
Tolerances: On thickness:
On width:
+/- 0.02 mm
+/- 10 mm
Cutting Methods: Quartered or plain slicing
Quality Requirements: Grade AB:

  1. knots not allowed
  2. flakes not allowed (for oak)
  3. discolorations not allowed
  4. sapwood not allowed

Grade B:

  1. sound occasional and blending knots allowed with diameter up to 4mm
  2. dark knots not allowed
  3. small flakes allowed (for oak)
  4. small discolorations allowed
  5. sapwood not allowed

Grade BC:

  1. knots allowed
  2. discolorations allowed
  3. sapwood allowed

General Requirements:

  1. rot, insects, wormholes, bark, shakes not allowed
  2. falling out knots, knot holes not allowed
  3. torn grain not allowed
Packing and Marking:

Veneer is shipped in bundles, 32 (48) veneer sheets same size per bundle. Each bundle has the label, indicating specie, dimensions of veneer sheets in the bundle (length, width), overall quantity of veneers in bundle and grade.

Veneer bundles are shipped on pallets. Bundles on pallet are covered by polyethylene film.

Beech veneer

Species: Beech
Dimensions: Thickness:
Width:
Length:
0.55 mm (basic) and up
100 mm and up
500..3300 mm
Moistness: 6..9%
Tolerances: On thickness:
On width:
+/- 0.03 mm
+/- 10 mm
Quality Requirements: Grade A:

  1. knots not allowed
  2. false heartwood not allowed
  3. splits not allowed
  4. discolorations not allowed

Grade B:

  1. sound knots with max. diameter 10mm allowed
  2. 3..4 dark knots with max. diameter 4mm per running meter allowed
  3. ray flecks with thickness up to 5mm allowed
  4. false heartwood not allowed

Grade C:

  1. sound knots with max. diameter 12mm allowed
  2. 3..4 dark knots with max. diameter 4mm per running meter allowed
  3. ray flecks allowed
  4. false heartwood allowed but not more than 20% of sheet area

General Requirements:

  1. rot, insects, wormholes, bark not allowed
  2. falling out knots, knot holes not allowed
  3. chemical discolorations, stains not allowed
Packing and Marking: Veneer is shipped in bundles, 32 (48) veneer sheets same size per bundle. Each bundle has the label, indicating specie, dimensions of veneer sheets in the bundle (length, width), overall quantity of veneers in bundle and grade.

Veneer bundles are shipped on pallets. Bundles on pallet are covered by polyethylene film.

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