For Large Flat Barrier Containers
The chart
below helps identify the proper atmosphere control product for a specific package.
Container
Dimensions
Products
Square Inches
Square Feet
Desiccant in
Units
Desiccant in Grams
VCI
15-29
0.1-0.19
1/6
5.5
n/a
30-45
0.2-0.29
1/3
10
n/a
46-89
0.3-0.59
1/2
16
n/a
90-179
0.6-1.20
1
33
n/a
180-269
1.21-1.29
2
66
TBA
270-359
1.30-1.89
3*
99
TBA
360-449
1.90-2.49
4
132
TBA
450-539
2.50-3.09
5*
165
TBA
540-629
3.10-4.39
6*
198
TBA
630-719
4.40-4.99
7*
231
TBA
720-809
5.00-5.59
8
264
TBA
810-899
5.60-6.29
9*
297
TBA
900-1079
6.30-7.49
10*
330
TBA
1080-1259
7.50-8.79
11*
363
TBA
1260-1439
8.80-9.99
12*
396
TBA
1440-1799
10.00-12.49
14*
462
TBA
1800-2699
12.50-18.79
16
528
TBA
2700-3599
18.80-24.99
20*
660
TBA
3600-4499
25.00-31.99
30*
990
TBA
4500-5399
31.30-37.49
40*
1,320
TBA
5400-6299
37.50-43.79
50*
1,650
TBA
6300-7199
43.80-49.99
60*
1,980
TBA
7200-xxxx
50.00-xxxxx
80
2,640
TBA
* This is not a standard MIL-SPEC unit size and must be rounded up to the nearest
standard size or combination of standard products.
A unit of desiccant refers to it's drying capacity and not
it's volume. A unit of desiccant is (approx one ounce) the amount of desiccant
which will adsorb at least 3 grams of water vapor at 20% RH and at least 6 grams
of water vapor at 40% RH at 77 deg F (25 degress C)
Gram Size Desiccants
Container size
Required Amount (grams)
Required Amount (grams)
Required Amount (grams)
in
(cubic centimeters)
Silica Gel / Clay
Activated Carbon
Silica Gel / Carbon 50:50
30
1/8
1/4
1/4
40
1/4
1/4
1/4
50
1/2
1/4
1/4
60
1/2
1/2
1/2
75
3/4
1/2
1/2
100
1
1
1
150
1
1
1
200
2
2
2
300
2
2
2
400
3
2
3
500
3
2
3
750
5
2
5
950
5
5
5
This chart is designed for reference purposes only. Actual results will vary,
based on ambient room temperature, room humidity, chemistry and dimension of the
finished product to be protected.
Poly Lam Products, Corp.
80 Earhart Drive
Williamsville, New York 14221
USA
For
additional information please
please
fill out our information form located here
Phone in the USA and Canada - 800-836-9648 All other countries 716-633-1977 Fax 716-633-2007 Website: http://www.polylam.com
E-Mail: information@polylam.com
