Buying Lumber: Edging in Pskov region Russia №24372

July 3, 2017, 2:12 p.m.Views: 358

City: Pskov, Pskov region, Russia

Organization name: show name and reputation

Type: Edging

Wood species: Deciduous:birch

Moisture content: Natural

Length in mm: 2400 - 3000

Width in mm: 75 - 150

Thickness in mm: 28 - 31

Price per cubic meter: 87.17 $

Description:
Buy birch lumber. Varieties
"1-3","AB","BB". Dry and natural humidity.
Those. Conditions.
On birch Board edged Grade-1 ("A")
Scoring of R-R. 25*75/100/125/150/175/200/225*2100/2400/2700/3000mm
Saw R-R. 28*83/110/135/165/195/225/250*2150/2450/2750/3050мм
Tolerances according to:
- thickness, -0+3mm
-width -0+3mm
- the length -0+50 mm
Quality: 3-4 side without knots and defects.
Three sides clean from knots and other defects, on the fourth that allowed up to 2 knots on linear meter with diameter 20mm max. Boards should be smooth, straight, without change of color and about the core.
Not allowed:
-line of the core, any mold, blue, gribko-tions of lesions, the marks of racks for drying.
-wane, up to the end and formation of cracks, mechanical damage;
-the presence of boards not cut to size.
-oil stains, dirt and sawdust.



Those. Conditions
On birch Board edged Grade-2 ("B")

- Offset. R-R 25*75/100/125/150*2100/2400/2700/3000
- Saw p-p 28*83/110/135/165*2150/2450/2750/3050
Tolerances according to:
- thickness, -0+3mm
-width -0+3mm
- the length -0+50 mm
Quality: Rarely cuccovia material.
Board rare end-to-end knots, defects of not more than 50cm (length). Between knots, defects should come out 4 sided, without cuccovia the material constituting at least 70% of the length of the boards.
Not allowed:
Wane, bark, false-line of the core, any kind of rot, traces of insects, cracks, curvature, wt-Lenya stains, dirt, sawdust and the presence of boards not cut to size.






Those. Conditions.
On Board of birch trees. OBR. Grade BB
Classification R-R. 25*100/125/150*2100/2400/2700/3000mm
Pilin. R-R. 28*110/135/165*2150/2450/2750/3050 mm
Tolerances according to:
- thickness -0+3mm
-width -0+3mm
long -0+50mm
Quality:
Allowed healthy intergrown knots and black healthy knots up to 25/30mm. Loose knots (holes) are allowed with diameter not more than 10mm. False-not allowed.
Not allowed:
- Large knots and other defects that affect the mechanical cal strength of the Board.
Wane, up to the line core, all types of rot, traces of insects, cracks, curvature, oily stains, dirt, sawdust and the presence of boards not cut to size.





Those. Conditions
On birch Board edged Grade-3 ("C")

- Offset. R-R 25*75/100/125/150*2100/2400/2700/3000
- Saw p-p 28*83/110/135/165*2150/2450/2750/3050
Tolerances according to:
- thickness, -0+3mm
-width -0+3mm
- the length -0+50 mm

Quality: Rarely cuccovia material.

-Allowed change the color to 2/3 of the width
-The number of knots is not limited, the diameter of knots
should not exceed 1/3 of the width of the Board, and not
should reduce mechanical properties
the strength of the Board.

Not allowed:

-Any rot
-Fallen bitches
End and the reservoir, through cracks.
–Malamar



Technical specifications for planed blanks.
GRADE "C"
Size planed products: 24*24/35/45*900/1000/1800
Allowances:
Mandatory on length: +20 mm
Tolerances:
Length: +/-1mm
width: +/- 0.5 mm
thickness: +/-0,5 mm
The moisture content of 16-18%
Allowed: neprostrugi, color changes (false core) up to 2/3 of the width, the number of knots is not limited.
Not allowed: rot, fallen-out knots, cracks.
Packaging in polyethylene with 5 sides.
More detailed information on the number 8-921-503-59-47(Andrew)












CLASS "A3"
Size planed products: 19*85*600/700/800/900/1000/1100/1200
Allowances:
Mandatory on length: +10 mm
Tolerances:
Length: +/-1mm
width: +/- 0.5 mm
thickness: +/-0,5 mm
Humidity 6-8 %
Used birch native to the mixed deciduous-Mr. forest, or growing tree. Birch, growing with pine not used. Sawn fresh timber with diameter from 24cm. Not sawn from the butt logs, as it is not permitted minerals (brown streaks) and a wavy structure. 3 side without knots and other defects. On the worst side allowed knots and about the core, the heartwood (center of tree) is not allowed. Immediately after sawing the sawdust cleaned up, boards stacked in a pack and disposed of in the street under a canopy. Not allowed internal stress, this applies to a “gentle” drying mode (max topics-ture +55C).
Not allowed: color changes, wane, cracks, defects of a structure of wood, fungal destruction, biological damage, contaminants, mechanical damage and processing defects (waviness).
Packaging in polyethylene with 5 sides.

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