Document zbz15Kvx19B6yN67Dj5kBoyz7
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1,- minutes of the 26th meeting were approved
2,_ gjgg-riscr, ef Results: Sherbrooke Laboratory vs Tnsividaai CcnrsnT1 lab
oratories? Individual cortpanies were requested to sena >i- foru their
. results cf exchange samples, Major variations, vera still indicated cn the
Quebec Standard Test-. K discussion as to the use of experimental, procre-
. . '.V. dure sjkI the reporting of such procedures in the average results trr th , __ _ _ c' Sherbrooke -laboratory. vas held,. A decision cn this natter was .-left to hr,-
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3.- jjgy Standard Tast Work; Mines Branch, Ottawa: Mcssro- Vfoodroffe and Winer reported cn this vorkv Presently this work is being concentrated cn the .
-measurement ef fibre length. The major divisions into which this work is ' . . being divided are dispersion, orientation, and measurement. To date a
eans has been developed of dispersing and orienting the fibre In a stress ' ,., or dynamic, syetea, .but preclems have developed.in photographing these .*:. V-results.: Several slides were-shewn, shoving;the results obtained.in a static
'""' system and two fils strips were shown on the static and dynamic systems.
- ' Dr, Collins gave a short talk cn various studies undertaken by him
cn length determination and various strength tests* - Dr. Collins.-is also
working on filter rates and vet strength tcojjt
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-. * Dr, Cucsins reported on work being planned on evaluation of fibres.
. . A plastics company has..been .approached to perform research work .on the use of ..
. ; ' asbestos-with phenolic.resins, .-. A program on evaluation of fibres in paper . ..
has also been set up-and the agency performing this work will ccoaance on'-'
* r .'this project on January. 1st, '1963..--.Steps are being taken to set up a research
program on textiles. ` , r* -tv*-'.-
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A.-- Specifications for standard Teetlag Screens?* Kr.' Sadth stated that those * "'*T *'
caapanie3 reporting to hln were satisfied that their screen cloth was within.
. specification. The 5|yler Company had assured Hr* Smith that from now os
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. ^.-screen elethnads for the.industry would be within specification.'- Companies ...
. - were urged-to specify the QUA. specifications when ordering screen; cloth and-;'?. .
... to check:the cloth upon-receiving,-.-- . ;'.iFvF--:' --v- T
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5.- *: Battsr-KcMetfrr A-repdrt'was given oa the nevTfe&tt nachine. A . difference y*
~' ifas found is the AX results*' However the new machine was found to have a
different type of screen cloth on the 4H. This cause for the deseripencies .
will te checked The advantages and disadvantages of the new machine wore -
given with me oajcr disadvantage being the difficulty eneounted in cleaning
the screetmln tb tanks. ' Operators gave a slight preference.to the old type
sachine. A report on the equipment and findings will be given to the Bauer
Company*. . , .
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.. L*' ' `.'.Hr. ford requested the Bauer HcHett sub-cccnittee to study the viper
' restilts -fraa the Sherbrooke -laboratory and also to consider incorporation of
' em method as an aaaeadaegt to the procedure,
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` . The Bauer Company asked if they could incorporate the QAKA procedure in their literature. The QAHA directors have accepted this request.
6.- Grit and Soecul^u ?ofttent Method: A round robin series of tests has been
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completed and the sub-ccsmittee will study the results.
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7 i'i .r-,rcnt;; j rcc>MV;:^ cr. th: -w;.:-Jure and z.s '
a res*.-l*. t.vi'r.-r.U.Vo'
' v.i;< i" ccrr^ -,;is tlr.t ...'si* arc ether
typos c: ocNLip-.e:*.? c-hs/x 1 it dujcribii .in ib: p-oecdur-:.- which can
measure aag-'j%f.ir. rating f'-' it was sur~rfotGd that the apparatus be described
oa a theoretical ii*vo3. rather than ler a specific apparatus.. The sub
coaaitt.ee
this ru^estion b:;t aid inpii-ce a n^tc in the procedure
to c* -r c* Ke ,
-vC cr-^ratuu T? atiorl'
rir,. v ia tc alirdnvrs:
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.fc.ihnts to tri>
ps-ocadurc are being considered but tJ;ey hill as* pvt fonard at a later I dote is ar. accandssat- Taa finalize'! procadu.re will now be sent to Dr Shaw y for- stprcvsi by ths AST!?, and vil` ?har: b-i> returned to the Technics.'.
("cx-r'Mc* for thi-xi^apyrc/s.-i"5.. A wet method lirv-x Shell Oil) cf determining magnetite content was turred over to ths sub-ic-naitt-ee chairman by Jr
Woodrcsffe
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Drckerh-^ff Air Perpeabilit?:- Work will be-suspended on the original cal
ibrating standards and will be started on sene ether type of standard such
as capillary tubes., orifices.- etc., Fibre
also been suggested as a cal
ibrating standard-.
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9*- Oil Absorption:- Ifc sub*coszittee is working with the .Sherbrooke laboratory
staff in writing up an interim test method for the Sfcormer viscometer. J.H.
Research is endeavouring to determine which methods of measuring oil absorp
tion and viscosity would be nest applicable to' the user, A general discussion
foilowod at which several objections ware raised to the writing up of a proce
dure for the Sterner viscometer,
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Weight oer Cubic Foot Test:- A revised -procedure was tabled vith the revi
sion being a minor change in the method of preparation, The procedure was
adopted.
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Procuration and Taking of stall samples:- The method used at the Sherbrooke
Laboratory was distributed* Further study will be made by the aub-ccstzlttes
before any procedure vdll be drafted.. *
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12. - flaw Business;- It was suggested that the agenda be distributed oas week
. before the meeting,
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13, - Date of Kerb Kseting:- The neat meeting of the Technical Ccrsaittee will be held oa February 12th, 193 at 10:C0 A.K. at the office of Asbestos Corporatlon United in Thotford Pinns.
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