Kodak AEROCHROME III AS-2569 - Manual (Page 5)

KODAK AEROCHROME III MS Film 2427
•
AS-2569 5
DIMENSIONAL STABILITY
The dimensional stability of aerial films is of particular
interest and importance in accurate mapping and in the
reproduction of maps.
Dimensional stability is an all-inclusive term. In
photography, it applies to size changes caused by changes in
humidity and in temperature, and by processing and aging.
The absence of solvent in ESTAR Base is one of the reasons
why ESTAR Base films show excellent dimensional
stability. The dimensional properties of ESTAR Base may
vary slightly in different directions within a sheet; the
differences that may exist, however, are not always between
the length and width directions.
Temporary Dimensional Changes
Permanent Dimensional Changes
Thermal Coefficient of Linear Expansion:
0.001% per degree F of change
0.0018% per degree C of change
Humidity Coefficient of Linear Expansion (Unprocessed):
0.0025% per 1% change in relative humidity
Processing Dimensional Change:
-0.03 to +0.02% shrinkage to swell
Aging Shrinkage of Processed Film:
0.06% 1 week at (49
°
C) 120
°
F , 20% RH
0.03% 1 year at (25.5
°
C) 78
°
F , 60% RH
SIZE DATA AND ORDERING
INFORMATION
Information on available sizes and minimum order
quantities of this film is available on the web at
www.kodak.com/go/aerial. You can also write or call:
Aerial Imaging
Eastman Kodak Company
343 State Street
Rochester, New York 14650-0505
(585) 724-4688
Toll-free in the US: (877) 909-4280
Note: The Kodak materials described in this publication
used with KODAK AEROCHROME III MS Film 2427 are
available from those dealers normally supplying Kodak
products. Other materials may be used, but equivalent
results may not be obtained.