Birch Plywood

Segezha Group is Russia’s third-biggest the world’s seventh-biggest manufacturer of large-size birch plywood.
Plywood manufactured by Segezha Group is exported to more than 50 countries of the world.
Birch plywood is manufactured by Vyatsky Plywood Mill (Kirov, Kirov Oblast). In 2017, a new modern plant will be launched, for manufacture of hi-tech birch plywood. The overall annual production volume of Vyatsky Plywood Mill and Kirovsky Plywood Mill will amount to 181,000 m³.
Cross-grained and long-grained plywood is manufactured by Segezha Group from 100% birch veneers. Birch plywood provides for stable high quality, due to the use of high-quality materials, state-of-the-art technologies, high level of general technical outfit, and strict control over all the stages of production process, together with staff professionalism.
Plywood is manufactured according to the requirements of Russian and foreign standards. The production facilities have ISO-9001:2008, FSC and CARB (ULEF) certificates, as well as European CE Certification.

Advantages of Segezha Group birch plywood

Reinforced strength: withstands heavy loads
Enhanced water resistance, immunity to temperature and moisture fluctuations
Good-looking surface structure
Good quality of abraded surface
Safety
Stability of parameters from batch to batch
Tailor-made manufacturing and service programs for customers
Durability

PRODUCTS

Segezha Group manufactures cross-grained and long-grained plywood.

Fiber direction of external veneer sheets of cross-grained plywood is perpendicular to the largest side of the plywood sheet.

Fiber direction of external veneer sheets of long-grained plywood is parallel to the largest side of the plywood sheet.

Specifications of Segezha Group birch plywood

Plywood type	FSF, FOF (laminated plywood), cross-grained and long-grained
Veneers	100% birch
Names of Segezha Mill plywood	S-FORM, S-RAW, S-MEL, S-WIRE, S-IRONBIRCH, S-COLOR
Formats, mm	1220х2440/1250x2500 mm – 4х8 2440х1220, 2500х1250 mm – 8х4 1500х3000; 1525х3050 mm – 5х10 1220/1250х3000/3050 – 4х10 1500/1525х2400/2440/2500 mm – 5х8 Other formats are available upon request
Thickness	6 to 40 mm
Grades	B, S, BB, WGE, WG, CP, C, B/BB, B/CP, B/C, S/BB, BB/BB, BB/CP, BB/С, СР/С, СР/СР, С/С.
Surface treatment type	Not sanded (NS) Sanded on both sides (S2S) Laminated on both sides (FF) Smooth surface on one side and mesh (wire) surface on the other side (FW)
Formaldehyde emission	Е1
State standards, technical specifications	EN-13986:2004, TU 5513-002-93222532-2016, TU 5512-006-93222532-2016

Thickness of Segezha Group birch plywood (mm)

Uncoated plywood grades

B Grade: Practical absence of defects. Standalone healthy intergrown knots up to 25 mm in diameter are allowed, or knot holes up to 5 mm in diameter.

BB Grade: Patched veneer is allowed: knots over 25 mm in diameter and visual defects.

CP Grade: Any number of veneer patches and discolorations is allowed.

CC Grade: Manufacturing flaws and wood structure defects are allowed. High quality gluing is guaranteed.

Segezha Group plywood specifications

Physical and mechanical parameters

Parameter	Measurement unit	GOST 3916.1-96	EN	Actual value in 2014-2015
Ultimate split strength (bond strength)	MPa	1.0 or more	1.0 or more	2,2
Ultimate resistance to static bending along the external layer fibers	MPa	25.0 or more	47.0 or more	72,1
Ultimate resistance to static bending across the external layer fibers	MPa	N/a	38.0 or more	62,7
Modulus of elasticity for static bending along the external layer fibers	MPa	7000 or more	7000 or more	8571
Modulus of elasticity for static bending across the external layer fibers	MPa	N/a	3800 or more	6726
Moisture	%	5 to 10		7,2

Formaldehyde emission

Formaldehyde emission (emission grade E1)	GOST 3916.1-96	CARB	Actual value in 2014-2015
Gas analytical method, mg/m²*hr	Up to 3.5 inclusively, or less than 5.0 within 3 days after manufacture	Up to 0.36	0,13
Chamber method, mg/m³	Up to 0.124	N/a	0,005

Segezha Group plywood assortment

S-RAW

S-RAW is sanded, uncoated, cross-grained and long-grained plywood. It is used in all spheres requiring heavy duty and at the same time lightweight materials, or demonstration of the good-looking birch wood structure.

S-WIRE

S-WIRE is plywood covered with 120-440 g/m² phenol film with “mesh” coating. Coating colors are: dark-brown, black, grey, dark-spotted grey. Other colors are available upon request. Taber test wear resistance index is 400 to 2000.

S-WIRE is widely used in transport and flooring manufacture, as well as in other spheres requiring high wear resistance and anti-skid properties of materials.

S-FORM

S-FORM is plywood covered with 120-440 g/m² phenol film with smooth coating. Coating colors are: dark-brown, black, light-brown, yellow. Other colors are available upon request. The butt-ends of the plywood are coated with water-resistance paint. Plywood with client’s logo can be manufactured.

S-FORM is used for monolithic construction, transport (walls), construction of agricultural buildings, as well as in other spheres requiring high durability, geometrical stability, corrosion resistance and extreme humidity resistance.

S-IRONBIRCH

S-IRONBIRCH is used in the spheres requiring good anti-skid properties and high surface durability such as bus flooring, industrial flooring, loading platforms, storage racks.

S - HEXA

S-HEXA is plywood coated with 120-220 g/m² phenol or melamine film. The plywood surface has hexagonal structure. Its Taber test wear resistance index is 400 to 500. Possible colors of the surface are grey or brown.

S-HEXA is used in the spheres requiring good anti-skid properties and high surface durability, such as transport or warehouse flooring.

S-Сolor

S-COLOR is plywood coated with 120-220 g/m² phenol film. Possible colors of the surface are: yellow, grey, green or red. Other colors are available upon request.

S-COLOR is used for furniture manufacturing, interior furnishing, transport and decoration.

S-MEL

S-MEL is plywood coated with 120-220 g/m² melamine film. The surface structure is smooth or semi-transparent. The color of the surface is white. Other colors are available upon request.

S-MEL can be used in furniture manufacturing, interior furnishing, transport and other spheres where decorative properties of the material are important.

S-LNG

S-LNG is a non-overlaid plywood of increased strength properties with face layers of BB or WG veneer and internal layers made of veneer, meeting the increased requirements for the quantity and types of admissible defects. This type of plywood is manufactured in accordance with the higher requirements established for the products used in the production of LNG tankers intended for the transport of liquefied natural gas (it is used in the isolation systems of membrane tanks).

S-LNG plywood outstands a high level of pressure and maintains dimensional stability under the influence of extremely low temperature (up to -160 ° C).

Certification of S-LNG is under development

FORMWORK SYSTEMS, CONSTRUCTION

Due to its strength and high durability, as well as its light weight, birch plywood is optimal for use in various types of construction works, including concrete construction and formwork systems.
Segezha Group plywood has great humidity resistance and is easily machined.
Depending on coating and care, repeated use is possible.
Film-faced plywood with various textures (mesh, HEXA, etc.) is also used for external pavement of industrial floors, decks and boards.

Advantages of Segezha Group plywood

High and stable quality
Uniform thickness and smoothness, without warpage
Good strength capacity
Stable internal humidity
Regular-shaped straight edges
Linear size stability
High strength of laminated surfaces and butt-ends painting quality
Good turnover (number of usage cycles)
Possibility to manufacture plywood with client’s logo or with Segezha Group logo
Possibility to take into account individual requirements of the customer.

Segezha Group plywood specifications for use in construction

Parameter	Film-faced	Non-overlaid
Plywood type	Cross-grain, long-grain
Size, feet	4x8, 8x4, 5x10, 5x8, 4x10. Other sizes are available upon request.
Item name	S-Form	S-Raw
Thickness, mm	12 to 40 mm	12 to 40 mm
Type of film	Phenol film
Coating	Smooth
Coating density	120 to 440 g/m²
Coating color	Dark-brown, black, yellow, light-brown
Grades	1	СР/С, С/С

TRANSPORT

Due to its high durability and light weight, Segezha Group birch plywood is used both in heavy and light commercial transport.

Advantages of Segezha Group plywood

High strength of laminated surfaces
Corrosion and UV resistance
High resistance to abrasion (Taber test 500 to 5000 depending on plywood type) and anti-slip properties
Resistance to temperature and moisture fluctuations
Possibility to take into account individual requirements of the customer.

Segezha Group plywood specifications for use in transport

Parameter	Film-Faced	Non-overlaid
Plywood type	Cross-grain, long-grain
Size, feet	4x8, 8x4, 5x10, 5x8, 4x10. Other sizes are available upon request.
Item name	S-Form, S-Wire, S-IronBirch, S-Hexa, S-Color, S-Mel	S-Raw
Thickness, mm	6 to 40 mm	12 to 40 mm
Type of coating	Melamine or phenol film
Embossing	Mesh, Hexa, IronBirch or upon request
Плотность покрытия	120 to 440 g/m²
Coating density	Taber 550 - 5000
Coating color	Dark-brown, black, grey or other colors upon request
Grades	1	CP/C

LNG TANKERS

Birch plywood is used in insulation systems of LNG tankers, for formation of insulation reservoirs and coupling units.
The requirements towards plywood strength are very strict in this sphere. Face and inner veneers have to be of very high quality.
Production technology and product quality shall answer to the requirements established by GAZTRANSPORT and TECHNIGAZ (GTT).

Certification process is under way now.

Advantages of Segezha Group plywood

High and stable quality, strength properties
Humidity 16% or less
No warpage
Uniform thickness
Linear size stability
Regular-shaped straight edges
Superior quality of face and inner veneers

Parameter	Non-overlaid
Plywood type	Cross-grain, long-grain
Size, feet	Size according to customer’s requirements
Name	S-Raw
Thickness, mm	6 to 45 mm
Grades	ВВ/ВВ, ВВ/WG

FURNITURE PRODUCTION

Plywood is widely used in furniture manufacturing due to its beautiful wood grain, high strength and easiness of processing

Segezha Group plywood is used as structural material for cushioned and cased furniture (e.g. shelves, cupboards, table boards), as well as decorative material.
Where visual effect is important, high-grade plywood is used (B, B/BB, S/BB). Low-grade plywood (CP/C, C/C) is used for elements requiring technical properties.

Advantages of Segezha Group plywood

High and stable quality, strength properties
High quality of sanded surfaces
Excellent visual characteristics of face surface
No warpage
Environmental friendliness

Parameter	Non-overlaid
Plywood type	Cross-grain, long-grain
Size, feet	4x8, 8x4, 5x10, 5x8, 4x10. Other sizes are available upon request.
Name	S-Raw
Thickness, mm	6 to 45 mm
Grades	В/В, В/ВВ, S/ВВ, ВВ/СР, СP/С, С/С

FLOORING

Depending on the type of parquet flooring (double-layer or triple-layer), either birch plywood strips are used for reinforcement of the tongue-joint in the middle parquet layer, or regular-sized birch plywood sheets which are cut into strips and used for the bottom layer.
Segezha Group plywood is characterized by its uniform thickness and controlled moisture content which provides for easy machining and assembly and prevents warpage and surface grooving.

Advantages of Segezha Group plywood

High and stable quality
Good strength properties
Ability to withstand heavy loads
Waterproofness
Linear size stability, uniform thickness
Stable humidity
Environmental friendliness

Parameter	Non-overlaid
Plywood type	Cross-grained, long-grained
Size, feet	4x8, 8x4, 5x10. Other sizes are available upon request.
Name	S-Raw
Thickness, mm	6 to 12 mm
Grades	ВВ/СР, ВВ/С, СР/СР, СP/С

PACKAGING

Due to its hardness and specific strength, Segezha Group birch plywood is ideal for the production of heavy-duty packaging.
Segezha Group laminated plywood is impact-resistant, humidity-resistant and environmentally friendly. It can be re-used, and it has low heat and electricity conductivity.

Advantages of Segezha Group plywood

Good strength properties and hardness
Water-resistance
Stable humidity
Environmental friendliness

Parameter	Film-Faced	Non-overlaid
Plywood type	Cross-grain, long-grain
Size, feet	4x8, 8x4, 5x10, 5x8, 4x10. Other sizes are available upon request.
Item name	S-Color, S-Mel, S-Form	S-Raw
Thickness, mm	15 to 21 mm	6 to 21 mm
Type of coating	Melamine or phenol film
Embossing	Smooth
Coating density	120 to 220 g/m²
Coating color	Upon request
Grades	1	СР/С, С/С

Segezha Group birch plywood is delivered by various types of transport including motor transport, marine or railway transport.
Segezha Group’s well-developed logistic system enables it to deliver plywood to any part of the world, with guaranteed reliability of delivery schedule.
Segezha Group performs optimal loading of the products into transport according to each order.