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1、JAPANESE INDUSTRIAL STANDARD 63 JIS A 5905 : 2003 Fibreboards September 2003 ERRATA Page 24 6.17 Error: In the impact resistance test for the decorative hard board for interior finish, Correct: In the impact resistance test for the decorative hard board for interior finish and decorative MDF, Error:
2、 In the impact resistance test for the decorative hard board for exterior finish and decorative MDF, Correct: In the impact resistance test for the decorative hard board for exterior finish, Remarks: This erratum is for correcting the first edition of this Standard. Japanese Standards Association -
3、5 - -,-,- J IS JAPANESE I NDUSTRIAL STANDARD Translated and Published by Ja pa nese Standards Association Fi breboards ICs 79.060.20 Reference number : JIS A 5905 : 2003 (E) PROTECTED BY COPYRIGHT 19 S A 5905 : 2003 Foreword This translation has been made based on the original Japanese Industrial St
4、andard revised by the Minister of Economy, Trade and Industry through deliberations at the Japanese Industrial Standards Committee in accordance with the Industrial Standardization Law. Consequently JIS A 5905 : 1994 is replaced with JIS A 5905 : 2003. Attention is drawn to the possibility that some
5、 parts of this Standard may conflict with a patent right, application for a patent after opening to the public, utility model right or application for registration of utility model after opening to the public which have technical properties. The relevant Minister and the Japanese Industrial Standard
6、s Committee are not responsible for identifying the patent right, application for a patent after opening to the public, utility model right or application for registration of utility model after opening to the public which have the said technical properties. Date of Establishment: 1957-06-24 Date of
7、 Revision: 2003-03-20 Date of Public Notice in Official Gazette: 2003-03-20 Investigated by: Japanese Industrial Standards Committee Standards Board Technical Committee on Architecture JIS A 5905 : 2003, First English edition published in 2003-05 Translated and published by: Japanese Standards Assoc
8、iation 4-1-24, Akasaka, Minato-ku, Tokyo, 107-8440 JAPAN In the event of any doubts arising as to the contents, the original JIS is to be the final authority. O JSA 2003 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any m
9、eans, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. Printed in Japan PROTECTED BY COPYRIGHT -,-,- A 5905 : 2003 Contents 1 2 3 3.1 3.2 3.3 3.4 4 5 5.1 5.2 6 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9 6.10 6.11 6.12 6.13 6.14 Scope Normativ
10、e references Classification and symbols Classification by density Insulation boards . MDF . Hard board Shape. dimensions and tolerance . Appearance and quality . Appearance . Quality . Test methods Test pieces Measurement of dimensions and squareness . Density test Moisture content test Breaking loa
11、d test . Bending strength test . Bending strength test under wet conditions Water absorption test . Test of swelling in thickness after immersion in water . Test of change in length after immersion in water Internal bond test Test of wood screw holding power Test of nail pulling-out resistance . For
12、maldehyde emission test 1 1 1 1 1 2 3 5 7 7 8 14 14 16 17 18 18 18 19 19 20 20 21 22 23 23 PROTECTED BY COPYRIGHT A 5905 : 2003 6.15 6.16 6.17 6.18 6.19 6.20 6.21 6.22 6.23 6.24 6.25 6.26 7 8 9 Thermal insulation test In-plane tensile strength test Impact resistance test Acid resistance test . Alkal
13、i resistance test Stain resistance test . Discoloration resistance test . Scratch resistance test . Film adhesion test . Washability test . Weatherability test Incombustibility test . Inspection Designation . Marking . Attached Table 1 Normative references . 23 23 24 25 25 26 26 26 26 27 28 28 28 28
14、 30 31 (ii) PROTECTED BY COPYRIGHT JAPANESE INDUSTRIAL STANDARD Classification Insulation fibreboard (hereafter referred to as “insulation board”) (l) JIS A 5905 : 2003 Symbol Density IB Fibreboards Classification Straw-mat (TATAMI) board 1 Scope This Japanese Industrial Standard specifies fibreboar
15、ds which are formed mainly from vegetable fibres of woods or the like. Symbol Main use (informative) T-IB For straw mat (TATAMI) base 2 Normative references The standards indicated in Attached Table 1 contain provisions which, through reference in this Standard, constitute provisions of this Standar
16、d. The most recent editions of the standards (including amendments) shall be applied. 3 Classification and symbols 3 . 1 the manufacturing method as shown in Table 1. Classification by density The fibreboards are classified by the density and Table 1 I Medium density fibreboard (hereafter referred t
17、o as “MDF”) () I MDF I 0.35 g/cm3 or over I I Hard fibreboard (hereafter referred to as “hard board”) I HB I 0.80g/cm30r over I Notes (1) Among the insulation boards, the sheathing board which is treated with asphalt or the like in the manufacturing process or after manu- facturing shall be under 0.
18、40 g/cm3 in density. (2) MDF is prepared by drying process. 3.2 Insulation boards The insulation boards shall be classified according to the use and incombustibility. a) Classification according to the use shall be as specified in Table 2. Table 2 The classification according to the use Classificati
19、on according to the use I Class A insulation board I A-IB I For heat insulation I Sheathing board 1 S-II3 1 For sheathing of outside walls b) Classification by incombustibility The classification by incombustibility shall be as specified in Table 3. PROTECTED BY COPYRIGHT -,-,- 2 A 5905 : 2003 Class
20、ification Basis MDF Polished board Table 3 Classification by incombustibility Symbol RS Ordinary Decorative MDF 3 . 3 MDF The MDF shall be classified according to the conditions of face and back surfaces, bending strength, adhesive to be used, formaldehyde emission quantity and incombustibility. a)
21、Classification according to conditions of face and back Classification ac- cording to conditions of face and back shall be as specified in Table 4. Table 4 Classification according to conditions of face and back Veneer overlay DV Plastic overlay DO Coating DC Classification Type 30 Type 25 Symbol Be
22、nding strength 30 25 The bending strength shall be 30.0 N/mm2 or over The bending strength shall be 25.0 N/mmz or over f i Type 5 Conditions of face and back 5 The bending strength shall be 5.0 N/mm2 or over The both surfaces are in basis condition and polished. The both surfaces or one surface of b
23、asis MDF are adhered with decorative veneer. The both surfaces or one surface of basis MDF are adhered with synthetic resin sheet, film, synthetic resin impregnated paper, coat paper, after-coat paper and the like, and the decorative surface is plain with monochromatic finishing, or patterned with g
24、rain pattern, abstract pattern and the like. The both surfaces or one surface of basis MDF are hardened by thermosetting with synthetic resin paint or printed, and the decorative surface is plain with monochromatic finishing, or patterned with grain pattern, abstract pattern and the like. b) Classif
25、ication according to bending strength The classification according to bending strength shall be as specified in Table 5. Table 5 Classification according to bending strength I Type 15 1 15 I The bending strength shall be 15.0 N/mm2 or over 1 c) Classification according to adhesive The classification
26、 according to adhe- sive to be used shall be as specified in Table 6. PROTECTED BY COPYRIGHT 3 A 5905 : 2003 Classification Type U Type M TypeP Table 6 Classification according to adhesive Symbol Adhesive Main use (informative) U Urea resin system or at least equivalent the like Suitable for furnitu
27、re, cabinets or M Urea-melamine copolycondensation Suitable for sheathing (floor, inside resin system or at least equivalent Phenolic resin system or at least equivalent wall, outside wall, roof), members of fixtures or the like P Classification Symbol F * * * * F* F* F* F* F* d) e) 3 . 4 Formaldehy
28、de emission maximum mean 0.3 mg/L or under 0.5 mg/L or under 1.5 mg/L or under 0.4 mg/L or under 0.7 mgh or under 2.1 mg/L or under Classification according to formaldehyde emission quantity The clas- sification according to formaldehyde emission quantity shall be as specified in Table 7. Classifica
29、tion Table 7 Classification according to formaldehyde emission quantity Formaldehyde emission quantity maximum i Symbol mean F * * * * F* F* 0.3 mg/L or under 0.4 mg/L or under 0.5 mg/L or under 1.5 mg/L or under 0.7 mgh or 2.1 mg/L or F* F* F* Classification according to incombustibility The classi
30、fication according to incombustibility shall be as specified in Table 8. Table 8 Classification according to incombustibility Classification Symbol I I Ordinary - I Hard board The hard board shall be classified according to special process- ing by oil, resin and the like, the surface condition, bend
31、ing strength and incombus- tibility. a) Classification according to special processing by oil, resin or the like and surface condition The classification according to special processing by oil, resin, or the like and surface condition shall be as specified in Table 9. PROTECTED BY COPYRIGHT 4 A 5905
32、 : 2003 Classification according to special processing by oil, resin or the like Classification Symbol Standard board (unprocessed) S Table 9 Classification according to special processing by oil, resin or the like and surface condition Classification according to surface condition Classification Sy
33、mbol Basis hard board Unpolished board RN Polished board RS DI Decorative hard board for interior finish Polished board I Tempered board (processed) I T I Basis hard board I Unpolished board 1 RN RS l I 1 Decorative hard board for exterior finish I DE Remarks 1 The basis hard boards include one with
34、 single smooth surface (SlS), and the other one with both smooth surfaces (S2S). 2 The decorative hard board for interior finish is made by bond- ing synthetic resin sheets, films, clotWpapers or by printing or coating with synthetic resin paint or the like on the surface of the standard board. Ther
35、e are one having flat surface and the other one decorated with uneven patterns by embossing. The decorative surface includes the plain one finished in single colour and the patterned one with grain pattern or abstract pattern, and is mainly used for the materials for interior finish and the wooden w
36、orks for furniture. 3 The decorative hard board for exterior Finish is made by print- ing or coating the surface of the tempered board with the weather resistant synthetic resin paint and hardened by heating, light irradiation or the like, and includes one whose surface is flat, one decorated with e
37、mbossed pattern, and the other one with grooves of U-shape or V-shape. The decorative surface includes the plain one finished in single colour, the one with grain pattern or abstract pattern, and is used mainly as the materials for exterior Finish. b) Classification according to bending strength The
38、 classification according to bending strength shall be as specified in Table 10. PROTECTED BY COPYRIGHT -,-,- 5 A 5905 : 2003 Classification Symbol Table 10 Classification according to bending strength Bending strength Tempered board (processed) Standardboard I ; : a3 1 II;, The bending strength sha
39、ll be 35.0 N/mm2 or over (unprocessed) The bending strength shall be 25.0 N/mm2 or over The bending strength shall be 20.0 N/mmz or over Type 20 Type 45 Type 35 T45 T35 The bending strength shall be 45.0 N/mm2 or over The bending strength shall be 35.0 N/mm2 or over Classification Incombustibility g
40、rade 2 c) Classification according to incombustibility The classification according to incombustibility shall be as specified in Table 11. Symbol Incombustibility 2 Incombustibility grade 3 Ordinary Incombustibility 3 - 4 Shape, dimensions and tolerance The shape, dimensions and tolerance shall be a
41、s follows. However, the dimensions of the product made to order shall be sub- jected to the agreement between the parties concerned with delivery, and the toler- ance of the dimensions and the squareness shall be as specified in Table 13. a) Thickness The thickness shall be as specified in Table 12.
42、 Insulation board (IB) Table 12 Thickness Straw-mat (TATAMI) board (T-IB) 10, 15, 20 Class A insulation board (A-IB) 9, 12, 15, 18 Sheathing board (S-IB) Unit: mm Basis MDF (RS) Decorative MDF (DV, DO, DC) Basis hard board (RN-HB, RS-HB) Decorative hard board for interior finish (DI-HB) Decorative h
43、ard board for exterior finish (DE-HB) I I Thickness Classification 2.5, 3, 7, 9, 12, 15, 18, 21, 24, 30 2.5, 3.5, 5, 7 5, 7 MDF Hard board b) Width and length The width and length shall be as specified in Fig. 1. PROTECTED BY COPYRIGHT -,-,- 6 A 5905 : 2003 A Unit: mm Decorative hard board for exter
44、ior finish (DE-HB) -?-e * Class A insulation board (A-IB) Sheathing board (S-IB) Basis MDF (RS) Decorative MDF (DV, DO, DC) Basis hard board (RN-HB, RS-HB) Decorative hard board for interior finish (DI-HB) Straw-mat (TATAMI) board (T-IB) + Width 900 910 1 O00 N a 3 - O O O N O Cu t N 8 b N + Width 9
45、10 940 970 O Width Fig. 1 Width and length c) Tolerance on dimensions and squareness The tolerance on dimensions and the squareness shall be as specified in Table 13. PROTECTED BY COPYRIGHT -,-,- 7 A 5905 : 2003 15 or over Hard board 3.5 or under 3.6 or over up to and incl. 5.0 5.1 or over up to and
46、 incl. 7.0 Table 13 Tolerance on dimensions and squareness f 1.5 t0.4 f 0.5 f 0.7 Classification I Thickness 1 Tolerance on thickness 7.1 or over Insulation board f 0.9 MDF t- Unpolished Straw-mat Under 10 f 1.0 (TATAMI) board (T-IB) f 1.0 board (A-IB) Sheathing board 12 or over f 1.2 (S-IB) Under 7
47、 +r 0.5 to and excl. 15 Polished r+ 0.3 f 0 . 3 Decorative ? 0.5 f 0.5 f 0.6 f10 %of the marked thickness Tolerances on width and length f 4.0 k 3.0 t 3.0 Square- ness 2 or under Remarks 1 The thickness of the decorative board shall be the thickness of the basis material plus the thickness of the de
48、corative layer. 2 The tolerance on thickness of the decorative hard board under 3.5 mm shall be the same as that of the polished product. 3 The tolerance on thickness of the decorative hard board for exterior finish shall be the same as that of the unpolished board. 5 Appearance and quality 5.1 Appearance The appearance shall be as follows: a) The surface of the fibreboard shall be free from noticeable unevenness, stain- ing, separation or the like, and moreover, free from twisting, warping or the like which are detrimental to use. The decorative board shall be free from the