Birch plywood

B (I) is the main decorative grade for the production of exterior elements that require visible exterior properties of the product. Virtually no defects, only partially accrete, non-accrete, falling out knots, holes from them, a wormhole with a diameter of no more than 6 mm in the amount of 3 pieces are allowed. per 1 m², no more than 5 healthy intergrown knots per 1 m² with a diameter of up to 15 mm and slight brown streaks are also allowed. It is often used for the manufacture of film faced plywood.

• Description

  Size, length x width, mm (ft)	1525×1525 (5×5) 1220×2440×1220 (4×8×4) 1250×2500×1250 (4×8×4) 1500/1525×2440/2500 (5×8) 2440/2500×1500/1525 (8×5) 1500/1525×3000/3050 (5×10)
  Thickness, mm	3-40
  Surface type	Sanding (S2S)
  Glue	EXT, INT
  Formaldehyde emission class	Е1
  Density, kg/m3	640-700
  Humidity, %	5-14

BB (II) - decorative grade for the production of various furniture elements, external and internal. It combines the need for exterior and physical and mechanical properties. Some defects are allowed: partially accrete, non-accrete, falling out knots, holes from them, a wormhole with a diameter of not more than 6 mm in the amount of 6 pcs. per 1 m², no more than 10 healthy intergrown knots per 1 m² with a diameter of up to 25 mm are also allowed, repair of the sheet surface is allowed. Knots and open defects are sealed with veneer inserts. Usually, this variety is coated with various finishing materials and paints.

• Description

  Size, length x width, mm (ft)	1525×1525 (5×5) 1220×2440×1220 (4×8×4) 1250×2500×1250 (4×8×4) 1500/1525×2440/2500 (5×8) 2440/2500×1500/1525 (8×5) 1500/1525×3000/3050 (5×10)
  Thickness, mm	3-40
  Surface type	Sanding (S2S)
  Glue	EXT, INT
  Formaldehyde emission class	Е1
  Density, kg/m3	640-700
  Humidity, %	5-14

CP (III) - the basic grade for the production of various products, usually with subsequent coating. The following defects are allowed: partially accrete, non-accrete, falling out knots, holes from them, a wormhole with a diameter of not more than 6 mm. in the amount of 10 pcs. per 1 m² of sheet surface and healthy intergrown knots without limiting the number. It is used for the manufacture of structures hidden from external view, as well as containers and packaging.

• Description

  Size, length x width, mm (ft)	1525×1525 (5×5) 1220×2440×1220 (4×8×4) 1250×2500×1250 (4×8×4) 1500/1525×2440/2500 (5×8) 2440/2500×1500/1525 (8×5) 1500/1525×3000/3050 (5×10)
  Thickness, mm	3-40
  Surface type	Sanding (S2S), шлифованная с одной стороны (S1S), нешлифованная (NS)
  Glue	EXT, INT
  Formaldehyde emission class	Е1
  Density, kg/m3	640-700
  Humidity, %	5-14

C (IV) is a universal grade for taking full advantage of the physical and mechanical properties of plywood. All manufacturing defects are allowed: partially accrete, non-accrete, falling out knots, holes from them, an unlimited number of wormholes with a diameter of not more than 40 mm. Most often used for the manufacture of durable containers and packaging.

• Description

  Size, length x width, mm (ft)	1525×1525 (5×5) 1220×2440×1220 (4×8×4) 1250×2500×1250 (4×8×4) 1500/1525×2440/2500 (5×8) 2440/2500×1500/1525 (8×5) 1500/1525×3000/3050 (5×10)
  Thickness, mm	3-40
  Surface type	Sanding (S2S), шлифованная с одной стороны (S1S), нешлифованная (NS)
  Glue	EXT, INT
  Formaldehyde emission class	Е1
  Density, kg/m3	640-700
  Humidity, %	5-14