QUALITY DESCRIPTION
TYPE A
Allowed
- Sort by color;
- Healthy knots up to 5 mm in diameter;
- Tiny brown lines.
Not allowed
- Mechanical defects;
- Cracks;
- Red core; blue spots.
TYPE B
Allowed
- Without sorting by color;
- Healthy knots with a diameter up to 10mm;
- Closed, black, knots up to 5 mm in diameter.
- Red core up to 5-30% of the shield area.
Not allowed
- Mechanical defects;
- Cracks; blue spots.
TYPE C
Allowed
- Without sorting by color;
- Red core, spots, closed, black swirls, brown lines – in unlimited numbers.
Not allowed
- Mechanical defect
- Blue spots.
SPECIFICATION
type | Spliced |
species | Beech |
quality | A/B |
glue | Class D3/D4 |
thickness | 18-45 mm. |
width | 100-1200 mm. |
length | 1000-5000 mm. |
type | Spliced |
species | Beech |
quality | B/C |
glue | Class D3/D4 |
thickness | 18-45 mm. |
width | 100-1200 mm. |
length | 1000-5000 mm. |