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RESEARCH LABORATORIES REPORT NO. 12-36 Problem No. 10-R-7 Date* 2-16-40
Subject* Examination, of Rhys Australian Blue Asbestos Fibre Crude. RJiys Grade, No. 3, Sample #410.
Summary* Ibis sample of Australian Blue may have possibilities for use in Transits Pipe. However, a suitable amount of the fibre should be obtained for further tests at the Pipe Plant
Cross Reference:
\jAsbestos (Australia)
&General Information
n Class. Tests
n Research & Development
,
n Specific Usage (Transits Pipe).
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hm bMt a^wlat vaejrla* peraaotogas f fdft ll
alto flap 4*. ead*erap thio rspart ditscssaa toe
eoaparlaoa with toe etaadari Itf adlft Maiii
(3) Via fiber to eleaslj rtrtUr to tta]
aitt nf^pHfl previously (see Beperto tMtf ... _____ m
Miatal kfcr ttirfa ilniud It lhwi tat ftito; eiallar to~lt:ia~
it* other Tiinl tafiialittM*
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(3) H offset of tho looser flter leafthis dUuSjr appor*. ent la the staadard Qaebe# fereea toots* ths experiaeatal blood# above*
approviaatsly X to 7 mm rwtoiaed on too 1/8" aeroan, dtpeniiag~e;toa pereaatoge of fclae fiber need, ao ooapered with aaararageof lee* thaa 2 ooaeee far too etaadard bloods. tho total efretontioa oa to(p 1/2* sad 1/4* ooraaaa# however, ni esseeUelly too seaefer sllb1aada> Buoyeaejr wee soaevhat lever tom far too standard aatortalo*
(i) Oa too baala of oosparisona between pipe of six lah alia
aado nslag this fiber aad alto too atoadard furnish, too turn of o Wand
containing 25% AtH Blao, 75% of flap XT, pins a 100 lb* scrap addltlOa
par 1000 lbs* of fiber appears to bo feasible* there la, sis*) eriifaaee
that a further reduction la blae fiber oaa be aade, bat too operetta*
periods daring shich blenda owing 20 and 22$? of too Aaatnsliaa Una
ware observed ware eontrolled by fealty epareting mditooii affeeting
the stoaderd aaterlel as well ae toe eaperlaenttl prodnato^B';aoopatriaoo^
of toe reaalto, mevwrthalet*, indicate# toot ftotoeroeaald^tiee^O*^
Used aaototolag 20? of the Att fiber la Jaatifisi* `
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(9) Xm iMirtnM fitk feooo oTH>mUiii|> fen ofet tlono'l
urn plnnnod oofe of *ik ihaU. Wjf no* loo* fe*.w .
24 ken** torttoii fen flni f Bum will **o th ttaad llB|>iM * Nfc-
owUliiifi^ iMtwUtt m Urn aai I09 Tiny 4* wife * IN Ll mu,-
addition Hf lMO IB* of fiW. few iM m will ut few life ImlrMtlf
m IW, wfesUtlag of 22** AW fin, T7H^V 4* wife 100 11. im^
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fedfe fe t0NU> of fltor* SaNlts of feooofewfwnowlll to "
in ooppl--oatoyy roport, inoo fen ofefe* of promotion roqnlrmonfe
at Mi ttM indloatoo thnt ioh dolnjr in feio wosk noy It iimmy.
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CONFIDENTIAL
RESEARCH LABORATORIES
Johns-Uanvilie, Manville, N.J.
Report No. 12-55 Problem No, 10-M-l Date; 9/5/40
Requested by; Subject;
Dr. E, W. Rembert Examination of BiUe Fibres and Blue Fibre Blends
SUMMARY:
Comparative examination is made of several blue fibres and blue fibre blends.
The Rhys Australian Blue appears equal to the Cape MS Blue in compressive
strength, the former being lighter in density.
..
The Newman, Qape S Blue is slightly superior in compressive strength to both
the Rhys Australian and Cape MS Blue.
'
The blue fibre blends (M-39, M-48, and M-49) are prepared by the addition
of Vimy 4T, C&G #3 and 4 fibres and added pressure pipe scrap. The blends
contain more fines and are more dense than the blue fibres alone,
_
Considerable fines are present in the pressure pipe scrap added to subject fibre blends.
The blend M-48 (Rhys Australian Blue) appears equal to the blend M-39 (Cape KSBlue) and both are slightly inferior in compressive strength to the blend M-49 (Newman Cape S blue).
The. blends under discussion are markedly inferior to the unblended blue
fibres in compressive strength. Blend compressive strength is approximately
30? of the strength observed for the 100? blue fibres.
,
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This reports consists of:
Summary (1) Discussion of Data (2) Appendix (3).
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vCross Reference: Asbestos (Specific ^sage) in Transite Pressue Pipe
n - South African Blue
- Asbestos - Australian Blue