1、CGSB CAN/CGSB- 9.37-93 * E 1874650 0024203 44b NATIONAL STANDARD OF CANADA CAN/CGSB-9.37-93 Supersedes 9-GP-37M Index Bristol Paper Canadian General Standards Board Copyright Canadian General Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted
2、 without license from IHS-,-,-ClSSB CAN/CGSB- 9-37-73 * L874b50 0024202 382 m The CANADIAN GENERAL STANDARDS BOARD (CGSB), under whose auspiclrs this standard has been developed is a government agency within the Federal Department of Supply and Services. CGSB is engaged in the production of voluntar
3、y standards in a wide range of subject areas through the niedia of standards committees and the consensus process. The standards committees are composed of representatives of relevant interests including producers, consumers and other users, retailers, governments, educatiimal institutions, technica
4、l, professional and trade societies, and research and testing organizations. Any given standard is developed on the consensus of views expressed by such representatives. The Ministers Advisory Council on CGSB reviews the results of the consensus process. CGSB has been accredited by the Standards Cou
5、ncil of Canada as a national standards-writing organization. The standards that it develops and offers as National Standards of Canada conform to the criteria and proclrdures established for this purpose by the Standards Council of Canada. In addition to standards it publishes as national standards,
6、 CGSB produces standards to meet particular needs, in response to requests from a variety of sources in both the public and private sectors. Both CGSB standards and national standards developed by CGSB are developed in conformance with the policies described in the Policy Manual for the Development
7、and Maintenance of Standards by CGSB. CGSB standards are subject to review and revision at any time, so as to ensure that they keep abreast of technological progress. Suggestions for their improvement, which are always welcome, should be brought to the notice of the standards committees concerned. C
8、hanges to standards are issued either as separate amendment sheets or in new editions of standards. An up-to-date listing of CGSB standards, including details on latest issues and ameindrnents, and ordering instructions, will be found in the CGSB C;italogue, which is published annually and is availa
9、ble without charge upon request. Although the intended primary application of this standard is stated in its Scope, it is important to note that it remains the responsibility of the iisers of the standard to judge its suitability for their particular purpose. Many tests required bly CGSB standards a
10、re inherently hazardous. CGSB neither assumes nor accepts any responsibility for any injury or damage that may occur during or as the result of tests, wherever performed. CGSB takes no posiiiion respecting the validity of any patent rights asserted with ariy item connected with this standard. Users
11、of this standard are expressly advised that determination of the validity of any such patent rights are entirely their own responsibility. Further information OII CGSB and its services and standards may be obtained from: The Director Marketing and Corporate Services Branch Canadian General Standards
12、 Board Ottawa, Canada KIA IC6 The STANDARDS COUNCIL OF CANADA is the Co-ordinating body of the National Standards System, a federation of independent, autonomous organizations working towards the further development and improvement of voluntary f standardization in the national interest. The princip
13、al objectives of the Council are to foster and promote voluntary standardization as a means of advancing the national economy, benefiting the health, safety and welfare of the public, assisting and protecting the consumer, facilitating domestic and international trade, and furthering international c
14、o-operation in the field of standards. A National Standard of Canada is a standard which has been approved by the Standards Council of Canada and one which reflects a reasonable agreement among the views of a number of capable individuals whose collective interests provide, to the greatest practicab
15、le extent, a balance of representation of producers, users, consumers and others with relevant interests, as may be appropriate to the subject in hand. It normally is a standard that is capable of making a significant and timely contribution to the national interest. Approval of a standard as a Nati
16、onal Standard of Canada indicates that a standard conforms to the criteria and procedures established by the Standards Council of Canada. Approval dms not refer to the technical content of the standard; this remains the continuing responsibility of the accredited standards-writing organization. Thos
17、e who have a need to apply standards are encouraged to use Nationai Standards of Canada whenever practicable. These standards are subiect to periodic review; therefore. users are cautioned to obtain the iatest edition from the organization preparing the standard. The responsibility for approving Nat
18、ional Standards of Canada rests with the: Standards Council of Canada 45 OConnor Street Suite 1200 Ottawa, Ontario KIP 6N7 Sow to order -3 Publications: by Telephone - (613) 941-8703 or - (613) 941-8704 by Fax - (613) 941-8705 by Mail - CGSB Salcs Centre Ottawa, Canada KIA 1C6 in Person - Suite 1500
19、 222 Queen Street Ottawa, Ontario Copyright Canadian General Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NATIONAL STANDARD OF CANADA INDEX BRISTOL PAPER . CANICGSB-937-93 Speredes 94P-37M May 1979 Prepared
20、by the Canadian General Standards Board -3 Approved by the Standards Council of Canada hbiished November 1993 by the Canadian General Standards Board Ottawa, Canada KIA 1G QMinista Of SU& and San- canada - 1993 No part of this pubiication may be nprodiiced in any farm witbout the prim pumision of th
21、e publisha. Copyright Canadian General Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CGSB CAN/CGSB- 9.37-93 * 18746.50 O024204 15.5 CANADIAN GENEAL STANDARDS BOARD COMMITTEE ON PREVIING AND WRITING PAPERS (Me
22、mbership at date of approval) Joss, RA. Chairperson Beattie, J. Bird, AJ. Black, M. Blondin, P. Boyes, J. Chollet, JL. Chute, B. Corcoran, B. Culbert, B. Daifen, MM. Dec, c. Dixon, G.C. Dome, V. Doutre, D. Douville, L. Dub, P. Fair, D. Gil- c. Guy, L.M. Handy, J. Hendriks, K.B. JAramboise, W.C. LHeu
23、reux, L. McCanna, B.W. McLaughlin, D. Michaels, J. Miller, c. Patnode, J.R. Simard, R. Stew- H. Thomas, J. Waddell, B. wood, WE Woodman, N. Armstrong, C. Consultant Ottawa Board of Education Du Pont Canada Inc. Mirdon hc. Dollco printing Provinciai Papers, Division of Abitibi Price consultant Xerox
24、Canada hc. Canadian Business Forms Association Inter City Papers Ltd. Nomda Forest Recycled Paper Rieger printing ink Co. Ltd. Crown Paper, Division of Crown Forest Industries Ltd. Tri-Graphic Printing (Ottawa) Ltd. Domtar Fine Papers Ltd. Canada Communication Group Rolland Inc. Department of indust
25、ry, Science and Technology weyerhaeuser canada Ltd. EB. Eddy Forest products Ltd. Department of Energy, Mines and Resources Nationai Archives of Canada Kluger Inc. -t of National Revenue (customs and Excise) Repap Enterprise# Inc. Ministry of Government Services, Ontario National Libmy of Canada Tem
26、bec hc. Department of Supply and services Canadian Pacic Forest products Ltd Department of Public Works, Aiberta Island Paper Mills Co. Canadian Pulp and Papa Association Barber-Ellis Fine paper canadacommcation Group Secretary canadiaii General Standards Board AcRnowlcdgmcni is matie for thc French
27、 tmnrloton of this National Slondord aflondo by the TrenFhtion Bureau of the Depanment of the secretmy of state. CNCGSB-937-93 Copyright Canadian General Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CGSB CAN
28、/CGSB- 9.37-93 tt W 1874650 0024205 091 CAN/CGSB-937-93 Supersedes 9-GP-37M May 1979 CANADIAN GENERAL STANDARDS BOARD INDEX BRISTOL PAPER 1. SCOPE 1.1 This standard applies to durable, extra strong and general purpose index bristois, for use in printing, typewriting, and pen-and-ink writing. A stand
29、ard for permanence of paper is in the come of preparation. 1.2 1.3 For more detailed information on intended uses, see par. 8.2. The testing and evaluation of a product against this standard may require the use of materials and/or equipment that could be hazardous. This document does not purport to
30、address all the safety aspects associated with its use. Anyone using this standard has the responsibility to consult the appropriate authorities and to establish appropriate health and safety practices in conjunction with any applicable regulatory requkments prior to its use. 2. APPLICABLE PUBLICATI
31、ONS 2.1 The following publications are applicable to this stan& 2.1.1 Canadian General Standards Board (CGSB) CAN/CGSB-9.0 - Methods of Testing Pulp and Paper No. 5 - Brightness of Puip, Paper and Paperboard No. 7 - Grammage of Paper and Paperboard 53-GP-67M - Erasu: 2.1.2 Technical Section, Canadia
32、n Puip and Paper Association (BPA) Standard Testing Methods D.l -Machine Direction of Paper and Paperboard D.4 - Thichess and Density of Paper and Paperboard D.9 - internai Tearing Resistance of Paper, Paperboard and Puip Handsheets Determined with the Appita- D.ll -Wax Test for Surface Strength of
33、Paper D.17“ - Folding Endurance of Paper (M.LT. Method) D.28P - Stiffness of Paper and Paperboard (“aber Method) Elmendorf Instrument GSP -pH Of Paper and Paperboard (Extract and Surface). 2.2 Reference to the above publidions is to the latest issues unless otherwise specifed by the authority applyi
34、ng this standard. The sourca of these publications are shown in the Notes section. 3. CLASSIFICATION 3.1 3.1.1 Grades Paper to this standard shall be supplied in the following grades, as specified (par. 8.1): No. 1 Index bristol - Highest quality durable index bristol, standard finish. No. 2 index b
35、ristol - Hi& quaiity durable index bristol, standard finish, 1 Copyright Canadian General Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4. 4.1 4.2 4.3 4.4 4.5 4.6 4.7 5. 5.1 5 -2 5.3 5.4 5 -5 5.6 5.7 2 index
36、bristol, extra strong - Extra strong durable index bristol, standard fuish. index bristol, general purpose - General purpose index bristol, standard finish. For detailed information, see par. 8.2 and Table 1. GENERAL REQUIREMENTS Curl - The paper shall lie flat or have no more than a slight curl tha
37、t can be overcome under normal commercial operating conditions and that does not affect its end use. Surface Condition - The paper surface shall be free from blemishes, dust, lint and other particles hat may adversely affect its conversion or end use. I Splitting - The paper shall show no spiiting (
38、delamination) under conditions of repeated handling. Trim - The paper shall be trimmed with clean, smooth edges and shall be evenly jogged. Formation - The formation of the paper shall be close and even. Stock - The paper stock shall normally be free fmm more than trace amounts (less than 1%) of unb
39、leached or mechanical pulps, except that no limitation is imposed on the amount of deinked or nondeinked bleached secondary (recycled) fibre, nor on the mount of high-yield pulps, present in the stock pluorescent (opticai) brighteners may be present. Moisture Content - This paper may be used either
40、in air-conditioned pressrooms or in pressrooms lacking relative humidity and temperature controls. Unless otherwise specified (par. S.l), the paper at time of delivery shall be in equilibrium with a relative humidity of 45 f 5% and a temperature of 23 f 0.5“C. If specified “for use in non-air-condit
41、ioned pressrooms“ (par.8.1), the paper at time of delivery shall be in suitable equilibrium with seasonally prevailing relaive humidity and temperature conditions. DETAILED REQUIREMENTS Physical Dimensions - The paper shall be supplied in the sheet sizes specified (par. 8.1). The paper shall not be
42、undersize and not more than 0.2cm oversize in either direction. Successive sheets within any package shall not differ by more than 0.04 cm. Sheets shall be square on all four sides wiihin a tolerance of 0.1 cm in each 75 cm as determined on a squaring table. The edge bow in individual sheets shall n
43、ot be more than 0.1 cm in 75 cm, as determined by turning a sheet over, butting an edge agains the corresponding edge of the sheet below, measuring the gap between them and taking one half of this measurement. Grammage - The paper shall be supplied in the gammage specified ar. 8.1), from the ranges
44、listed in Table 1. Actual grammage sha conform to the specified grammage within a tolerance of fi%. Thickness - The paper shall umform to the average thickness listed in Table 1 for the componding grammage with a tolerance of f8 jun. The difference in average thickness between sheets sha not exceed
45、5 p. individual sheets shall be dom in thickness. The difference between the highest and lowest thichess across each sheet shall not exceed 8 pm. Grain Direction - The grain direction shall be as specied (par. til), when determined in accordance with Technicai Section, CPPA standad D.1. Colour - The
46、 paper sha be white, creamed white or coloured, as specified (par. 8.1). The colour and brightness of the paper shall match the supplied reference sample visually in accordance with commercial colour matching praCtiCe. Hyrogen Ion Concentration (pH) - The pH value of the cold extract of the paper sh
47、all not be less than 4.8 when determined in accordance with Technical Section, CPPA standard G.25P. Writing and Ruling Quaiity -The paper shall exhibit good writing quality. Good writing quality is defined as the production of clean characters with no feathering or bloting of ink visible to the unai
48、ded eye. a CANKGSB-937-93 Copyright Canadian General Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-5.8 5.9 I 6.1 6.2 6.3 6.4 7. 7.1 7.2 7.2.1 7.2.2 8. 8.1 CGSB CAN/CGSB- 9-37-73 xx Lb7Y650 0024207 964 E Erasi
49、ng Qnaiity -The paper sha =tain good writing quality, as defined in par. 5.7, and good texture and surface, without ink spreading, after one erasure with an eraser according to CGSB standard 53-GP-6h4, Type 2. Physicai and Optical Properties - Physical and optical properties shall be in accordance with the requirements of Table 1. PREPARATION FOR DELIWRY Packaging - Unit packages shall be wrapped in accordance with normal commercial practice.
