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Internal Correspondence
Dale: To:
May 13, 1906 All Sales Offices, Agents & Distributors
SALES DEPARTMENT LETTER #86-04
Copy: From: Subject
R. Burks, R. Petkash
Jim Fisher ASBESTOS USED IN FRICTION MATERIALS
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This is an update .on our position on the use of asbestos based'
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friction materials in Airflex products.
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In essence, our position is the same as that originari!y^rexpre'ssed in
Bob .Rosenow's Sales Department Letter #76-46 back i.ii-.Jl&J6.*:,.^Although
there is a significant asbestos content in these^^materi^llsyjto the
best of our knowledge, yery little of this asbestos' is``liberated to the air in normal use of the clutch and/or .birake! The very localized
hot spots at the friction surface cheraicaly\cHange's '-the .asbestos into other harmless minerals. What litt^'Casbesho.s Jihat is
liberated, most likely will not resultJftf^donqeptratibns anywhere
near what would be considered hazardous^ : IJHjtti j;s necessary to
.
document meeting the OSRA specificatipri^ ph^sipail measurement of the
airborne concentration of asbesfb.a'^uringW^typical day of operation
will be required.
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The only practical bazard,pre$ented.f6y, these friction linings would be if the customer attemp^fes^to machine, grind or sand down the
friction blocks,. These actions may'"release significant quantities of
asbestos and expose 6ffawbrkmaii:;, to" a potential hazardous asbestos concentration. WE.DQ%OT RECOMMEND THAT ANYONE MACHINE OR OTHERWISE
PROCESS THE, ASBEST.Q.S^BASEP^;MJCTI0N BLOCKS IN ANY WAY.
In spite of
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remotdjie^s of the hazards associated with the "
asbestos fsifqtiLon .materials,, we are in the process of replacing them with non-asBhstos ^terials as our .standard material in all of our
productj^'ifies. ^.This is primarily due to a recent increase in demand^.. TVs ..you^ate aware, we are in the process of changing the
standard .fridtlon material for our VC, V.E, E, CB, EB, DBA, DP and ED products ifp don-asbestos. The CS, CSA and CTE product lines and the
^Hp-linijigsfwill follow shortly as soon as suitable materials are i" ^'vf'bund'^anA sufficiently tested.
SCF-EC-3065
FAW 17188