Straight trunk of fresh-cut without end checks, blue stain, internal rot, insect and ring cracks, without knots or branches, frost cracks, without double heart, centering.
Straight trunk, the following wood defects are allowed: knots, cracks with a diameter up to 1/20 of the corresponding diameter of the end, mechanical damage such as notches, splinters, chips, and wanes
The following wood defects are allowed: slight trunk curve, sound open knots from 4 to 7 cm, sound rotten knots up to 3 cm, cracks except for lateral and end cracks from drying from 1/5 to 1/3 of the corresponding diameter of the end.
The following wood defects are allowed: simple curvature with dimensions - the ratio of flexure deflection at the place of the greatest curvature to the total length of the log over 3% to 5%, sound open knots from 10 to 15 cm, cracks except for lateral and end cracks from drying from 1/3 to ? of the corresponding diameter of the end.
- А - Wide face - completely clean.
- h - Wood piece height. The four sides adjacent to face A must be at least half (up to 1/2 h) clean.
- В - Back face. On back face B, as well as on sides adjacent to it, the following defects are allowed:
- Knots - up to50%
- Е1 - Sound knots - up to 20 мм
- Е3 - Black knots - up to 5мм Not allowed:
- Е2 - Through knots
- Е4 - Heartwood.
- 1. General characteristics:
- Stable in 4 directions, technological holes 100 mm.
- 2. Dimensions:
- 800*1200 мм
- 800*1200 мм
- 800*1200 мм
- 800*1200 мм
- 800*1200 мм
- Pallets 800*1800, 800*2100, 800*2400 mm have 2 dividers in the middle (75*75 mm),
- 3 pieces lengthwise and 3 pieces widthwise.
- 3.Slats:
- Material - softwood or birch. Moisture up to 20%, made from solid piece of wood.
- Slats dimensions: 20*25*800/1200 mm (thickness* width* length).
- Slats dimensions for support: 20*35*800 mm (for elements 420...635 mm).
- 5.Connection :
- Pallets 800*1200 mm are connected by 2+2 tapes in each direction.
- Pallets 800*1500/1800 mm are connected with a minimum of 4 tapes.
- Pallets 800*2100/2400 mm are connected with a minimum of 5 tapes.
- Tying pallets the day before loading is not allowed.
- Wrapping in plastic is strictly prohibited.
- 6. Marking:
- The attached card on the slat indicates:
- - Width
- - Length
- - Number of elements
- - Pallet number.