COATINGS RESEARCH GROUP, INC.
2340 Hamilton Avenue, Cleveland, Ohio 44114 U.S.A.
216-781-9122
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FAX 216-781-9239
DATE: March 10,1993
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TO:
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Bill Setser
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FROM:
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Phil Slifko
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SUBJECT:
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Perm Rating of Indurall Sample Protecto 401
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Procedure A of ASTM 96-66, described in Project 10-002 p 14-30 (February
1979), was used to determine the permeance of the submitted paint sample.
Over a period of thirty days in our humidity cabinet, relative humidity (outside
the cup) and temperature averaged 48.6% and 78.0°F (25.6°C), respectively.
Glidden's Insul-aid was used as the control in this test.
The permeance of the Protecto 401 (Q8-2401 [component A] blended with D8-
2401 [component B]) along with the control are shown in the following Table:
TABLE: Perm Rating of Test Coatings
Coating
Protecto 401
Glidden Insul-aid
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Dry film
thickness
(mils)
53.00
2.36
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Perms
0.00
0.63
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*All samples were run in duplicate and averaged for permeance.
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Sincerely,
Phil Slifko
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