CORPORATE STANDARD. BIRCH PLYWOOD SVEZA PARQUET Specifications STO

Transcription

1 CORPORATE STANDARD BIRCH PLYWOOD SVEZA PARQUET Specifications STO Verkhnyaya Sinyachikha 2017

2 Preface Development purposes and objectives as well as the use of corporate standards in the Russian Federation are stated by Federal Law 184-FZ "On Technical Regulation" as of December 27, Development and execution rules are stated by GOST R Standardization in the Russian Federation. Basic Provisions" and GOST R Standardization in the Russian Federation. Corporate Standards. Basic Provisions." Standard Information 1 DEVELOPED AND INTRODUCED by Closed stock company SVEZA Verkhnyaya Sinyachikha 2 APPROVED AND PUT INTO EFFECT by order of the Director of the Verkhnyaya Sinyachikha branch of OOO SVEZA dated FIRST RELEASE 4 APPROVED by OOO SVEZA Forest Sales and Marketing Director R.A. Muzyka, 20 5 EXPERT OPINION OBTAINED from OOO NPP CNIIF, Ref. No. 15 dated May 02, 2017 The standard hereby may only be used for work with the written consent of NAO SVEZA Verkhnyaya Sinyachikha II

3 Contents 1 Scope of Use 1 2 Regulatory References 1 3 Classification and Sizes 2 4 Technical Specifications 4 5 Acceptance Rules 7 6 Quality Control Methods 9 7 Storage and Transportation 9 8 Manufacturer Warranty 10 9 Safety and Environmental Requirements 10 Appendix A Limit values for wood flaws and processing defects of the outer layers of the SVEZA Parquet plywood 11 Appendix B Terms and definitions for processing defects of the outer layers of the SVEZA Parquet plywood 16 Appendix C Limit values for wood flaws and processing defects of the inner layers of the SVEZA Parquet Premium plywood 17 Appendix D Designation of SVEZA Parquet plywood grades 19 Appendix E Packing assembly schemes for SVEZA Parquet Premium plywood 19 Appendix F Packing diagrams for SVEZA Parquet plywood 20 References 23 III

4 CORPORATE STANDARD FOR SVEZA PARQUET BIRCH PLYWOOD Specifications BIRCH PLYWOOD SVEZA PARQUET Technical requirements Effective since, 20 1 SCOPE OF USE This standard covers SVEZA Parquet birch plywood used as the main or auxiliary component in the production of parquet and engineered flooring with subsequent usage as the flooring material in public and private living spaces. 2 REGULATORY REFERENCES This standard hereby includes regulatory reference to the following standards: GOST Occupational safety standards system. Means of protection. General requirements and classification. GOST Measuring metal rulers. Specifications GOST Visible defects, of wood. Classification, terms and definitions, methods of measurement GOST Checking 90-degree L-squares. Specifications GOST Micrometers. Specifications GOST Products of wood and wooden materials. Parameters of surface roughness GOST Measuring metal tapes. Specifications GOST Flat clearance gauges for machine retaining devices. Design GOST Dial-type thickness gauges and dial-type wall thickness gauges graduated in 0.01 and 0.1 mm. Specifications GOST Products of wood and wood materials. Methods for determination of roughness parameters GOST Statistical quality control. Item random sampling methods GOST Furniture, timber and polymers. The method for determination of formaldehyde and other volatile chemicals in the air of climatic chambers GOST Plywood for general use. Classification of veneer surfaces by appearance 1

5 Note: While using this standard it is advisable to check validity of the standards referenced against the National Standards reference index. 3 CLASSIFICATION AND SIZES 3.1 SVEZA Parquet plywood is classified according to the glue joint water resistance as EXT/FSF, or plywood of increased water resistance of the glue joint, glued using phenol-formaldehyde adhesives; it is intended for indoor and outdoor usage. 3.2 SVEZA Parquet plywood could be of the two following types depending on the requirements applicable to the inner layers: SVEZA Parquet Standard (PST) and SVEZA Parquet Premium (PPR). 3.3 SVEZA Parquet Standard Plywood falls into two grades according to the combination of its face veneer grades: BB, CP, C, (Latin letters) and I, II, III, IV (Roman numerals). SVEZA Parquet Premium Plywood falls into two grades according to the combination of its face veneer grades: BB, CP, (Latin letters) and I, II, III (Roman numerals). The grade designator is indicated by both Latin letters and Roman numerals. 3.4 As for surface mechanical processing, SVEZA Parquet plywood is available sanded on both sides S2S. 3.5 Please refer to Appendix E for the Packing assembly scheme for SVEZA Parquet Premium plywood. 3.6 Dimensions Length and width of SVEZA Parquet sheets should be as shown in Table 1 below. Table 1 In millimeters Length (width) of plywood sheet Tolerance limit 1,220; 1,250 ±3.0 1,500; 1,525 ±4.0 2,440; 2,500 ±4.0 3,000; 3,050 ±5.0 Note: 1. Plywood may be produced in other size by agreement between the manufacturer and the customer. 2. The plywood sheet length is measured along the grain of the face veneers. 2

6 3.6.2 Thickness and number of plies of SVEZA Parquet plywood should be as shown in Table 2 below. Table 2 Nominal plywood thickness Minimum thickness, mm Maximal thickness, mm Tolerance limit, mm Thickness variation in one sheet, maximum, mm Number of plies, minimum ± Note: 1. Plywood may be produced with other thicknesses, number of plies, and tolerance limits by agreement between the manufacturer and the customer SVEZA Parquet plywood sheets must be cut square. Out-of-squareness must not exceed 2 mm per 1 m of the sheet edge length, when controlled as per section Difference in the diagonal lengths must not exceed 2 mm per 1 m of the sheet edge length, when controlled as per section Out-of-straightness for the edges must not exceed 2 mm per 1 m of the sheet length. 3.7 SVEZA Parquet plywood marking must include the following information: product description with face veneer timber species; grade; combination of face veneer grades (using Latin letters and Roman numerals); emission class; surface treatment type; dimensions; - this standard number. Example of marking for birch plywood SVEZA Parquet EXT/FSF with a combination of face veneer grades ВВ/СР (II/III), emission class E1, both sides sanded, 1,525 mm length, 1,525 mm width, 10 mm thickness: 3

7 Birch Plywood SVEZA Parquet, EXT/FSF, ВВ/СР (II/III), Е1, S2S, 1525 х 1525 х 10 СТО TECHNICAL REQUIREMENTS 4.1 Characteristics For core and face plies of SVEZA Parquet plywood birch veneer is used. Maximum allowed veneer thickness in the inner and face plies should be 2.0 mm. Minimum thickness of face veneers after sanding should be not less than half the initial thickness of the face ply In face veneers of the SVEZA Parquet plywood, wood flaws and processing defects that exceed the limits specified in Appendix A are not allowed. Terms and definitions for wood flaws and processing defects as per GOST and Appendix B In core veneers of the SVEZA Parquet Premium plywood, wood flaws and processing defects that exceed the limits specified in Appendix C are not allowed Cavities at the edges of SVEZA Parquet Premium plywood, caused by core veneer defects such as crevices or knots, are allowed within the limits suggested in the Appendix C for related defects. Cavities at the outer edges of SVEZA Parquet Premium plywood, caused by any other defect (not mentioned in Appendix C) should be not more than 5 mm in depth for each separate veneer SVEZA Parquet plywood is available in any combination of the grades mentioned in section 3.3 herein, depending on the quality of face veneers, except the C/C grade. 4.2 Formaldehyde release from SVEZA Parquet plywood into the room air must comply with the value specified in Table 3. Table 3 Emission class Chamber method, mg/m 3 of air Е1 Up to Formaldehyde release Gas analysis method, mg/m 2 *h Up to 3.5 inclusive or less than 5.0 during 3 days after manufacturing 4.3 Physical and mechanical performance of SVEZA Parquet plywood is specified in Table 4. Table 4 4

8 Parameter name Thickness, mm Physical and mechanical parameter values 1 Moisture content, % Shear strength along the glueline, MPa, min Ultimate static bending strength: along the grain of face veneers, MPa, min against the grain of face veneers, MPa, min Modulus of elasticity in static bending: along the grain, MPa, min against the grain, MPa, min 5 Tensile strength perpendicular to surface (Internal bonding strength), MPa, not less SVEZA Parquet Standard plywood SVEZA Parquet Premium plywood not regulated 1.75 Table 4 (end) Parameter name Thickness, mm Physical and mechanical parameter values Note: 1. Indicated moisture limits should be adhered when shipping the plywood from the manufacturer s warehouse 2. Shear strength along the glueline test has to be performed in various layers of adhesive as per agreement between the manufacturer and customer 3. Plywood samples preparation procedure for shear strength test is as follows: soaking in water (20 ± 3) С for 24 hours, boiling in water for 4 hours, drying in a vented cabinet for (16 20) hours, second boiling in water for 4 hours; cooling in water for 1 hour. 4. Percentage of destruction in wood is not determined 4.4 SVEZA Parquet plywood stock is taken in cubic meters. One sheet's volume is calculated without regard to rounding. The volume of assembled plywood 5

9 stacks and batches is calculated with an accuracy of m 3. The area of a plywood sheet is calculated with an accuracy of 0.01 m 2, the area of the sheets in a batch - with an accuracy of 0.5 m Marking is applied using indelible black or purple ink on the edge of each plywood sheet as a stamp or text without margins. Marking must include the following information: plywood type, plywood grade, manufacturer (number or name), - thickness and/or sorter number. Flat face should not be stamped. Edge stamp is placed in the corner of the transverse or longitudinal edge. For the plywood with a thickness of mm the stamp may be placed once for each (1-3) sheet. By agreement between the manufacturer and the customer, the following changes might be implemented: to not mark plywood sheets; to not include additional information in the mandatory marking. 4.6 Packing of SVEZA Parquet plywood The plywood should be packed in 400, 600 or 900 mm high stacks according to the grades, size and thickness. By agreement between the manufacturer and the customer, the plywood may be packed in stacks of a height other than that specified. The plywood in the stack should be placed in the same direction relative to the grain. The plywood in the stack should be placed so that the higher grade should face the top. 4.7 Packing and labeling of ready stacks of SVEZA Parquet plywood Packing of the plywood stacks should ensure their integrity and preserve the stacks during transportation Packing material is polyethylene film and/or stretch film along with the plywood covers and wraps The plywood stacks are wrapped using packing strip, with the protective angle pieces placed under the strip where it bends over the plywood stack edges Packed plywood stacks are to be placed on blocks. The blocks have to be affixed onto the plywood stack using the same packing strip Packing diagrams are provided in Appendix F By agreement with the customer, other types and means for packing the plywood could be used. 4.8 Packed stacks of SVEZA Parquet plywood should be labeled using 378 x 264 mm (A3) labels. The text is in Russian and/or English language: the labels are placed on two opposite and/or orthogonal side wraps of the stack. Both labels shall bear the same information. trademark; 6

10 product description with face veneer timber species; plywood dimensions and thickness; plywood type (EXT/FSF); plywood grade as per Appendix D; type of mechanical treatment used for the plywood face; number of sheets in a stack; working shift code; plywood production date; emission class; order No. as per Special Terms and Conditions (by agreement with the customer); manufacturer name and address; document, governing plywood manufacture; certification marks; quality control marks: handling signs: Keep Dry and Use No Hooks ; barcode (if a data collection terminal (scanner) is available). For more streamlined storage operations, additional marking may be applied using labels or stencils. 5 ACCEPTANCE RULES 5.1 SVEZA Parquet plywood has to be accepted in lots. Lot means a certain number of plywood sheets of the same grade and size. For each lot, a single supporting document has to be issued, containing the following information: trademark; manufacturer name and address; plywood mark; lot size; name of the process standard to which the plywood should comply. 5.2 Check of quality and size of plywood sheets has to be done by means of selective sampling and testing. Selective control of the plywood sheet is performed by means of blinded sampling as per GOST and in the amount stated in Table 5 below. Table 5 Lot size Controlled parameter as per sections herein In sheets 7

11 Up to ,200 1,201-3,200 3,201-10, ; 3.6.2; 3.6.3; Sample size Acceptance number Sample size Acceptance number Moisture, strength limit for cleaving through the adhesive layer, strength limit for static bending across and along the outer veneers, module of elasticity for static bending along and across the grains of the outer veneers should be controlled for each thickness and number of plies a minimum of once per month. 5.4 To control strength limit for extension perpendicular to the sheet surface, 1 sheet per 1,000 should be sampled, but no less than 1 per order. 5.5 For formaldehyde release control, minimum 1 sheet of plywood should be sampled every 7 days. 5.6 The lot is considered as compliant to the applicable requirements of the standard and are accepted, provided that in the samples: number of the plywood sheets not complying with the standard requirements in terms of dimensions, non-squareness, non-straightness, wood defects and processing defects, is equal to acceptance number stated in Table 5, or less. there are no sheets in the sample having blisters, ply splitting, bark patch; physical and mechanical parameters are compliant with the ranges set forth in Table 4; formaldehyde emission is within the limits set forth in the Table 3. 6 QUALITY CONTROL METHODS 6.1 Sampling procedure as per [1] [2], [6]. 6.2 Plywood length and width are measured at two points parallel to the edges, at least 100 mm from edges with a metal tape according to GOST 7502 with a tolerance of 1 mm. The arithmetic mean value of the two measurements is considered the actual length (width) of the sheet. 6.3 Plywood thickness is measured at least 25 mm from edges, in the middle of each sheet's face. The arithmetic mean value of the four measurements is considered the actual thickness of the sheet. The following devices are used for thickness measurement: - thickness gauge as per GOST with the scale unit value not exceeding 0.1 mm; - micrometer as per GOST 6507 with the scale unit value not exceeding 0.1 mm; 8

12 Thickness difference in one plywood sheet is defined as the difference between the maximum and the minimum thickness of the four measurements. 6.4 Out-of-squareness of sheet plywood Out-of-squareness in a plywood sheet is measured with a measurement square according to GOST Out-of-squareness is defined by the maximum deviation of the sheet's edges from the surface using a square and metal ruler according to GOST 427 with a tolerance of 1 mm Out-of-squareness may be also determined by the difference of diagonal lines of the sheet measured by metal tape ruler as per GOST 7502 with the scale unit value 1 mm. 6.5 Out-of-straightness of a plywood sheet's edges is defined by measuring the maximum gap between the sheet's edge and the edge of the metal ruler using a probe according to GOST 8925 with a tolerance of 0.2 mm. 6.6 Warping as per ГОСТ Moisture as per [3]. 6.8 Strength limit for cleaving through adhesive layer as per [4]. 6.9 Modulus of elasticity in static bending and strength limit as per [5] Formaldehyde release into the environment as per GOST and [1] Tensile strength perpendicular to the panel surface as per [6] Surface roughness as per ГОСТ Terms and definitions for wood flaws and processing defects as per GOST and GOST STORAGE AND TRANSPORTATION 7.1 SVEZA Parquet plywood should be transported in closed vehicles according to the haulage rules applicable to the respective means of transport. Contact with moisture should be avoided during transportation in order to avoid changes in geometry, physical parameters and quality of the plywood, and in order to keep emission class stable. 7.2 Storage of SVEZA Parquet plywood The plywood must be stored indoor in stacks placed horizontally on pallets or on wooden shims, at a temperature between 40 C and +50 C and relative humidity up to 65%. 8 MANUFACTURER WARRANTY The manufacturer guarantees conformance of plywood to the quality requirements hereby if transportation and storage conditions are satisfied. The EXT (FSF) grade plywood guaranteed shelf life is 5 years following the day of receipt by customer. 9

13 If the plywood is to be used for further processing we recommend contacting the manufacturer for more details about the properties and specifications of various plywood grades and categories. 9 SAFETY AND ENVIRONMENTAL REQUIREMENTS 9.1 The content of hazardous chemicals emitted into residential or public building air during use of plywood products must not exceed requirements under items [7], [8], [9]. 9.2 Plywood must be produced using materials and components approved by the national sanitary and epidemiological inspection authorities. 9.3 Only persons age 18 and older with a clean bill of health are allowed to work in plywood production. Medical examinations are conducted according to the applicable instructions from the Ministry of Health of the Russian Federation. 9.4 Personnel engaged in plywood manufacturing must be provided with personal protection equipment according to the applicable regulations under GOST Specific activity of Cesium 137 in plywood must not exceed sanitary limits set forth in [10]. 9.6 The standard plywood composition does not include raw materials or components classified as hazardous waste. 9.7 Plywood usually has a long service life, and there are a number of ways to recycle it. Plywood must be recycled according to applicable local recycling laws and requirements. 10

14 APPENDIX А (mandatory) Limit values for wood flaws and processing defects as per GOST for outer plies of SVEZA Parquet plywood Limit values for wood flaws and processing defects as per GOST for outer plies of SVEZA Parquet plywood are listed in Table A.1 Table А.1 WOOD FLAWS AND PROCESSING DEFECTS ВВ (II) СР (III) 1. Pin knots 2. Sound knots, intergrown, light and dark light ones up to 25 mm in diameter with shakes up to 1 mm width, 10 per square meter maximum allowed allowed with the shake up to 1 mm width 3. Partially intergrown knots intergrown knots up to 15 mm in diameter, 10 per square meter maximum allowed 4. Black knots, loose knots, knot holes : any number with diameters (no bark inclusions) up to 6 mm allowed including intergrown knots up to 6 mm in diameter, 3 per square meter maximum 5. Close shakes : up to 5 per meter of sheet width, up to 300 mm long С (IV) : any number with diameters up to 40 mm : any number with diameters up to 40 mm (bark patches up to 5 mm wide allowed near the knot) edge and middle shakes are Appendix A continued 11

15 WOOD FLAWS AND PROCESSING DEFECTS ВВ (II) СР (III) С (IV) 6. Open shakes : up to 3 per meter of sheet width, up to 250 mm long and up to 2 mm wide, provided they are filled up using sealing agent : up to 600 mm long and up to 2 mm wide; in total not more than 2 per meter of sheet width, + up to 600 mm long and up to 5 mm wide, provided they are filled up using sealing agent up 800 mm long and up to 10 mm wide, no limitation on number 7. Open joints on spliced veneer Edge-jointed veneer is not allowed to use 8. Timber structure flaws (diagonal grain, swirly grain, burls, bud traces) 9. Timber structure flaws (light/dark inner inbark) light inbark, dark inbark within dimensions of jointed knots 10. Timber structure flaws (surface inbark) within the total number under the black knot requirements 11. Sound discoloration (false heartwoodble up to 25 % of surface allowa- up to 75 % of surface 12. Sound discoloration (stains, streaks, streak traces) : up to 250 mm long and up to 10 mm wide in total not 13. Sound discoloration (grouped streaks) more than 10 per m 2 : up to 60x40 mm, not more than 1/m 2 Appendix A continued 12

16 WOOD FLAWS AND PROCESSING DEFECTS 14. Chemical coloration, sap stains (blue and colored sap stains), discoloration after storage ВВ (II) : up to 50% of the sheet surface area (false heartwood included) СР (III) : up to 75% of the sheet surface area (false heartwood included) С (IV) 15. Biological damage (wormholes) within the total number under the black knot requirements 16. Discoloration with partial wood not damage 17. Patching of knots and holes with wood inserts not more than 8 wooden inserts per m 2, of various forms and sizes provided that color of timber and direction of grains are similar to those of face veneer 1 mm gap from one side, 0.5 mm gap from two sides by inserts of various forms and sizes 18. Double insert : not more than 1/m Patching open shakes with sealing open shakes wider than 2 mm open shakes wider than 5 mm must agents or veneer patches must be patched with sealing be patched with sealing agents agents 20. Faceplate bulges (imprinted) : up to 3 mm wide in total not more than 3 per sheet 21. Overlaps : up to 1 per meter of sheet width, up to 100 mm long and up to 2 mm wide : up to 5 mm wide in total not more than 5 per sheet : up to 2 per meter of sheet width, up to 300 mm long and up to 2 mm wide Appendix A continued WOOD FLAWS AND PROCESSING DEFECTS ВВ (II) СР (III) 22. Stains from manufacturing (beam up to 10 % of surface allowa- С (IV) 13

17 traces, strips) ble 23. Glue stains up to 2 % of surface up to 5 % of surface 24. Mechanical damage (cuts, holes) within the total number under the black knot requirements 25. Scratches, ribs, blows, ridges not up 120 mm long and up to 10 mm wide, and 0.5 mm in depth 26. Warping Not considered for plywood up to 6.5 mm thick; not more than 15 mm per 1 m of sheet diagonal is for plywood thicker than 6.5 mm. 27. Blister, delamination (also when not bended), bark patch 28. Unsanded stains (nonuniform sanding) not 29. Oversanding of surface layers not up to 1 % of surface up to 5 % of surface 30. Metal inclusions not brackets of non-ferrous metals are 31. Edge defects caused trimming, lack of veneer no more than 2 mm up to 10 mm wide 32. Non-smooth peeling up to 5 % of surface up to 15 % of surface 34. Waviness (for sanded plywood), fluffyness, ripple not 33. Surface roughness Roughness parameter Rm as per GOST 7016, mkm, 100 maximum Appendix A end WOOD FLAWS AND PROCESSING DEFECTS ВВ (II) СР (III) С (IV) 14

18 34. Pockets (no bark inclusions) : in size of group strains up to 60x40 mm, not more than 1/m Glued veneer inserts not : up to 150 mm long and up to 30 mm wide in total not more than 1 per sheet Note: Any defects not specified in Appendix A, are not allowed. 15

19 APPENDIX B (mandatory) Terms and definitions for processing defects of external layers of SVEZA Parquet plywood Terms and definitions for processing defects of external layers of the SVEZA Parquet plywood are specified in Table B.1 Table B.1 Name of the processing defect Glued veneer inserts Non-smooth peeling Pocket Description Veneer particles glued to or pressed into plywood surface. Dense small surface recession caused by local removal of wood during processing. a cavity in the wood or between annual layers filled with resin or gum. 16

20 APPENDIX C (mandatory) Wood flaws and processing defects limits for internal layers of SVEZA Parquet Premium plywood C.1 Wood flaws and processing defects limits for internal layers of the SVEZA Parquet Premium plywood are listed in Table Table C.1 Wood flaws and processing defects 1 middle S1 2 middle S2 1. Pin knots 2. Sound knots, intergrown, light and dark 3. Partially intergrown knots 20 mm max. in diameter 40 mm max. in diameter 4. Non-intergrown knots, loose knots, knot holes (no bark inclusions), tobacco color 15 mm max. in diameter 40 mm max. in diameter 5. Close shakes in an unlimited number 6. Open shakes no more than 2 mm no more than 5 mm 7. Edge-jointed veneer usage Gap in the edge-jointed Edge-jointed veneer usage is not allowed veneer joints 8. Spliced veneer usage 9. Bark not 10. Chemical coloration, sap stains (blue and colored sap stains), discoloration after storage without compromising of the wood integrity 11. Discoloration with partial wood integrity damage : up to 5% of the sheet surface area : up to 25% of the sheet surface area 17

21 Appendix C continued WOOD FLAWS AND PROCESSING DEFECTS 1 middle S1 2 middle S2 12. Biological damages (wormholes), mechanical damages (including pinholes caused by the hook) 15 mm max. in size 40 mm max. in size 13. Patching of crevices and holes left by knots could be done by veneer patches of any size and from 14. Sooth, sooth dust and other products of burning on not the veneer surface 15. Sound discoloration (false heartwood, stains, strains, group strains) 16. Non-smooth peeling 17. Open ingrowth (no bark inclusions) no more than 2 mm width no more than 5 mm width 18. Other defects provided they do not affect the quality and size of the plywood as per requirements set forth in this Standard 18

22 APPENDIX D (mandatory) Grade designators of SVEZA Parquet plywood Table D.1 Grade designators of SVEZA Parquet plywood are provided in Table D1 Latin Letters Roman Numerals Text on the label in the Grade column ВВ/ВВ II/II ВВ/ВВ (II/II) ВВ/СР II/III ВВ/СР (II/III) ВВ/С II/IV ВВ/С (II/IV) СР/СР III/III СР/СР (III/III) СР/С III/IV СР/С (III/IV) APPENDIX E (mandatory) Packet assembly scheme for SVEZA Parquet Premium plywood The packet assembly scheme for SVEZA Parquet Premium plywood is shown in Figure 1. Face veneer S1 S2 S2 S2... S2 S2 S2 S1 Face veneer I - I - I... I - I - I Fig. 1 19

23 APPENDIX F (mandatory) Packing diagrams for SVEZA Parquet plywood Packing diagram for SVEZA Parquet plywood with format 1,525 x 1,525 mm or less, in stacks 400 mm high Label format А3 400 Note: 1) Block dimensions for plywood of 1,525х1,525 size: width (65 ± 10) mm, height (55 ± 2) mm, length 1,500 mm 20

24 Appendix F continued (mandatory) Packing diagram for SVEZA Parquet plywood with format 2,440 (2,500) х 1,220 (1,250) х 2,440 (2,500) and 1,525 (1,500) х 3,050 (3,000) mm in stacks 400 mm high 400 Label format А3 Note: 1) Block dimensions for plywood with format 2,440 (2,500) х 1,220 (1,250) х 2,440 (2,500): width (65 ± 10) mm, height (55 ± 2) mm, length 1,200 mm 2) Block dimensions for plywood of format 1,525 (1,500) х 3,050 (3,050): width (65 ± 10) mm, height (55 ± 2) mm, length 1,500 mm 21

25 Appendix F continued (mandatory) Packing diagram for SVEZA Parquet plywood with format 2,440 (2,500) х 1,220 (1,250) х 2,440 (2,500) and 1,525 (1,500) х 3,050 (3,000) mm in stacks 600 mm and 900 mm high 600 Label format А3 Note: 1) Block dimensions for plywood with format 2,440 (2,500) х 1,220 (1,250) х 2,440 (2,500): width (65 ± 10) mm, height (55 ± 2) mm, length 1,200 mm 2) Block dimensions for plywood with format 1,525 (1,500) х 3,050 (3,050): width (65 ± 10) mm, height (55 ± 2) mm, length 1,500 mm 22

26 References [1] DIN EN ISO Wooden materials Determination of formaldehyde emissions. Part 3. Gas analysis method [2] ЕN Wood-based panels. Sampling, cutting, and quality control. Part 1. Testing sample selection and cutting, expressing test results [3] ЕN 322:1993 Wooden materials. Determination of moisture [4] ЕN 314-1:2004 Plywood. Gluing quality. Part 1. Test methods [5] ЕN 310:1993 Wood-based panels. Determination of the modulus of elasticity in bending, and the ultimate bending strength [6] DIN ЕN 319:1993 Wood chipboard panels and cellulose fiber panels. Determination of tensile strength perpendicular to the plane of the panel [7] GN Maximum concentrations (MAC) of pollutants in the atmospheric air of population aggregates [8] GN Safe reference levels of impact (SRLI) of pollutants in the atmospheric air of population aggregates. Hygienic standards [9] GN Addendum to GN Safe reference levels of impact (SRLI) of pollutants in the atmospheric air of population aggregates. Hygienic standards 10. Unified sanitary epidemiological and hygienic requirements for goods subject to sanitary and epidemiological control supervision approved by the Customs Union commission decision No. 299 as of May 28, 2010 UDK 674: MKS K24 OKP

27 Keywords: corporate standard, plywood with birch face and core veneers, dimensions, technical requirements, packaging, labeling, quality control methods, transportation, storage, warranty. Developing company NAO SVEZA Verkhnyaya Sinyachikha Head of Developing company: Branch Director, Verkhnyaya Sinyachikha OOO SVEZA I.V. Radchenko Development Lead: Director of Technology and Quality Department NAO SVEZA Verkhnyaya Sinyachikha I.I. Zaynullin Responsible person: Quality department manager E.N. Shubina 24