Document Evwjw9kMByn6L378Vkx4EB2Xg
THE MEN N 6N COM PANY
R** material specifications
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SUBJECT:
Talc
Code Number 10,362
Date :
March 19, 1985
Supersedes March 4, 1980
Reason for Revisionchange Microbiological Limits, add Supplier Name
Supplier:
Cyprus Industrial Minerals Co. (Olympic) Whittaker, Clark & Daniels (Talc 1629 BC)
Definition:
.
Hydrous, magnesium silicate sometimes containing a small portion of aluminum silicate.
Description:
A very fine, white crystalline powder with an unctuous or soapy feel.
Color:
Reflectance at 415 mu must be not less than 78.0%.
Test Method:
Reflectance is determined on the Bausch & Lomb Spectronic 20 with reflectance attachment.
Odor:
Odorless or very slight earthy odor.
Slip :
Must compare favorably to an approved standard.
Grit :
The sample must be free from grit.
pH(10% Dispersion in Water):
7.0 - 10.0
Screen Analysis:
Retained on 100 mesh - not more than 0.10% Retained on 200 mesh - not more than 3,50%
Apparent Bulk Density:
23 - 28 lbs./ft. 3
Water Soluble Iron:
Must be negative.
Arsenic: Lead: Asbestos:
Not more than 2 parts per million as As.
Not more than 20 parts per million as Pb. -Less than 0.5% amphibole mineral as determined by
CTFA Method J4-1, Part I, x-ray diffraction method.
Microbial Limits: Issued bv ^ * Dutlap
Part II, Optical Microscopy and Dispersion-Staining Method will not be used.
The raw material must contain not more than 100
microogranisms per gram and be free from q 1|
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Staphylococcus aureus
^.oo^uks -'jpostTlvs} Test Method 2.1
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P L A IN T IF F S
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EXHIBIT
E X H IB IT
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WCD-355
Reviewed bv J Hilovsky
CP-MENNEN-000
A D. Harpa: