Document RapD4MnNVBnEJe4zYoyE235ME
T. S. Clouaing Chicago Office
July 29, 1959
Dear Tdi
On June 3, 1959 we tested two sanples of
our "Griptex Block" in our aaffle furnace at 1900!*
for sixteen hours, Ve obtained the following .resultsj
Weight Lose - 4.6*
>
Volua* Loss - 7.0*
Linear Shrinkage
Length -
Thickness -
Width
-
2.3* 2.9* 4.2*
Color change - Dark to light tan.
Very truly yours LLBORATOHI
RBAirt
R, Bruce Abell