THE INSTITUTE OF PAPER CHEMISTRY, APPLETON, WISCONSIN

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1 BASE-LIE THE ISTITUTE OF PAPER CHEMISTRY, APPLETO, WISCOSI COTIUOUS BASE-LIE STUDY (MODIFIED) (MILL CORRUGATIG MEDIUM DATA FOR JAUARY, FEBRUARY, MARCH, 198) Project 69- Report Fifty-One A Progress Report to FOURDRIIER KRAFT BOARD GROUP OF THE AMERICA PAPER ISTITUTE June 1, 1983

2 THE ISTITUTE OF PAPER CHEMISTRY Post Office Box 139 Appleton, Wisconsin 591 Phone: 1/ June 1, 1983 Dear Sir: We are enclosing a copy of the following report to Kraft Board Group of the American Paper Institute: the Fourdrinier Report Fifty-One, Project 69-, a progress report entitled, "Continuous Baseline Study (Modified) of Mill Corrugating Medium Data for January, February, March, 1983" dated June 1, 1983 This project has been expanded to include CD ring crush data. data will be included in the present and future reports. These The code identities for paper were submitted for evaluation cover of this report. machines in your company from which data are given on the inside of the front Sincerely, Roer H. Van Eperen Manager, Materials Testing Laboratory Paper Materials Division RHV/kam Enclosure 13 East South River Street

3 -1 GEORGIA-PACIFIC CORPORATIO Your machine is identified in this report by the following code Toledo Machine # T1

4 BASE-LIE 1st QUARTER, 1983 THE ISTITUTE OF PAPER CHEMISTRY Appleton, Wisconsin COTIUOUS BASE-LIE STUDY (MODIFIED) (MILL CORRUGATIG MEDIUM DATA FOR JAUARY, FEBRUARY, MARCH, 1983) Project 69- Report Fifty-One A Progress Report to FOURDRIIER KRAFT BOARD GROUP OF THE AMERICA PAPER ISTITUTE Information contained herein is furnished for your internal use only and is not to be disseminated or disclosed outside your company or copied or otherwise reproduced without the express written permission of The Institute of Paper Chemistry June 1, 1983

5 TABLE OF COTETS Page SUMMARY 1 ITRODUCTIO PRESETATIO OF DATA Presentations (Tables): Tables I-II-III-IV. 6-Lb Corrugating Medium, Monthly Averages of Mill Data Table V. Data on Conditioning and Testing Environments 7 APPEDIX. OTES A, B, C, D, AD E USED I TABULATIO OF MILL DATA 9

6 THE ISTITUTE OF PAPER CHEMISTRY Appleton, Wisconsin COTIUOUS BASE-LIE STUDY (MODIFIED) (MILL CORRUGATIG MEDIUM DATA FOR JAUARY, FBERUARY, MARCH, 1983) SUMMARY OF 6-L.B CORRUGATIG MFD1UF, DATA (DEC-MARP 1983) DEC JA - FEB Test Total Recycled Totat Recycled Total Recycled rotat R~ecycted mioi sture content, Max Min b Ave. 6.6(6) 5.E(1) 6.6(9) 5.9(1) 6.5(E) 5.8(13) 6.5(31) 5.8(13) Adj. basi s we ight, lb/m sq it Max t Min ? e Ave. 6.(6) 6.P(1) 6.(9) 6.1(1) 6.(8) 6.6t13) 6.(31) b.6(13) Catiper. pt. Max e ' t?.. Min. d. % e o 8 e o 8. d. C Ave. 9.6(5) 9.9(11) 9.6(6) 9.6(11) 9.6(5) 9.6(1) 9.6(8) 9.6(1) Concora. It, M a x G or.6 t ?1n P : Ave. 61.(6) 6.8(1) 61.(9) 61.( 1) 6.(e) 6.(3) 6.(31) 6.( 13) CD Ring Crush. lb Max. * '*fl ***&* u t e. r 1.; Min. **e*** C Ave. I ) 9.6(LO) 31.( ) 6.5(1) 3.F-i ) 9.(17)?e.( 8) Max. and Min. Ave. watue is values are current machine averages. current F.K~.B.G. aieraget nuoter of machines is indicated in parentheses.

7 Fourdrinier Kraft Board Group Page of The American Paper Institute Report Fifty-One Project 69- ITRODUCTIO The continuous base-line study (modified) is a compilation of monthly averages of mill test data obtained routinely on 6-lb corrugating medium manufactured in the member mills of F.K.B.G. Mill data are included for moisture content, basis weight, caliper, Concora, and C.D. Ring Crush made on the production of individual machines which produced at least 5 tons of this grade weight during a given month. PRESETATIO OF DATA For the 6-lb grade weight of corrugating medium referred to earlier, data on conditioning and testing environments, mill test averages for moisture content, adjusted basis weight, caliper, Concora, and C.D. Ring Crush results are compiled in the following tables. Table umber I-II-III-IV V Description Mill Test Averages on 6-Lb Corrugating Medium Data on Conditioning and Testing Environments The procedure used in calculating cumulative machine averages, machine factors, machine indexes, and F.K.B.G. indexes are described in the Appendix. It should be explained that the number of machines for which data are compiled in each table for a specified month varies for these reasons: a machine must have (a) produced at least 5 tons of 6-lb corrugating medium during the specified month, or (b) produced 5 tons of 6-lb corrugating medium during any one or more of the 1 months prior to the specified month (so that a cumulative average is available), to be included in a given table.

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12 Fourdrinier Kraft Board Group of The American Paper Institute Project 69- Page 7 Report Fifty-One TABLE V DATA O CODITIOIG AD TESTIG EVIROMETS JAUARY, FEBRUARY, MARCH, 1983 Conditioning Environment Are Quality Samples Procedure Code Conditioned Before Testing? Time Temp., F RH, % Testing Environment Are Quality Samples Tested Under Controlled Conditions of Temperature & Humidity? Dl Gl Jl Kl 7 ± F; 5 ± 5% RH 7 + "F; 5.± 1% RH Ml 1 TI D Yes Yes min Yes: 7 ± 3'F; 5 + RH 7 ± 'F; 5 ± RH 7 ± 3.5 F; 5 ± % RH F H 1 data submitted for this quarter 73 ± 3 F; 5 ± % RH K Yes: 73 ± I'F; 5 ± % RH R S T C3 Yes min 7 ± 'F; 5 ± % RH 73 ± 'F; 5 ± % RH 73 ± 'F; 5 ± 5% RH 7 ± F; 5 ± 5X RH F3 13 J3 L3 7 ± I1F; 5 ± 1% RH 73 ± 'F; 5 ± % RH 73 + F; 5 ± % RH M3 3 3 P3 data submitted for this quarter 7 ± 'F; 5 ± 1% RH Q3 V3 F H 73 ± F; 5 ± % RH 73 ± 3 F; 5 + % RH J M R 7 ± 'F; 5 ± 3X RH 7 ± F; 5 ± 5% RH S T U data submitted for this quarter Yes: 7 ± F; 5 ± % RH

13 Page 8 Report Fifty-One Fourdrinier Kraft Board Group of The American Paper Institute Project 69- THE ISTITUTE OF PAPER CHEMISTRY Roge H. Van Eper n Research Fellow Paper Materials & Systems Division Approved by Gafy A. Baum Director Paper Materials Division

14 Fourdrinier Kraft Board Group of The American Paper Institute Project 69- Page 9 Report Fifty-One APPEDIX OTES A, B, C, D, AD E, USED I TABULATIOS OF MILL DATA tes A, B, C, D, and E, used in the tables of mill data are given below; these notes define the procedure used in calculating adjusted basis weight, machine factor, machine index, and F.K.B.G. index. It should be stressed that each formula is applicable only to a specific physical property of corrugating medium. te A: Adjusted basis weight (ABW) = reported weight (RBW) adjusted to moisture content of 7.8%: (1 - reported moisture content, %) ABW = RBW (1-7.8).Current machine average * her te B: Machine factor (%) = Cum t machine average 1 where Cumulative machine average CMA'sa for previous 1 months excluding CMA for current month Cumulative machine average = I 1 te i C: x Mache Current machine average Cumulative F.K.B.G. total average 1 where CFKBGA'sb for previous 1 months Cumulative F.K.B.G average excluding CFKBGA for current month Cumulative F.K.B.G. average = L 1 te D: F.K.B.G. index (%) = Current F.K.B.G. average 1 where Cumulative F.K.B.G. average Current F.K.B.G. average = I CMA'sa for current month for all machines umber of machines te E: (R) - Indicates a medium manufactured from recylced fibers. acma = current machine average for a specific physical property of 6-lb corrugating medium obtained during a given month on a specific machine. bcfkbga = current F.K.B.G. average for a specific physical property of 6-lb corrugating medium obtained during a given month.

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