MIL-DTL-45301E
that meets all of the requirements of this specification. Adequate marking shall be provided to
alert processing personnel as to proper ratios and identity. Identification and instructions shall
include directions for mixing equal lengths of sheet 1 and sheet 2. The contractor's recommended
temperature, curing time and processing instruction shall be included (see 4.7.3).
3.3.4 Class 6. Class 6 tread elastomer shall be furnished as masterbatch blocks or
presized sheets of elastomer with the curing agents and chemical additives packaged in
premeasured quantities. The masterbatch elastomer, when processed to the contractor's
recommended procedure and with the ingredients supplied, shall provide a tread elastomer that
meets all of the requirements of this specification (see 4.7.4).
3.4 Classes and sizes.
3.4.1 Class 1. Unless otherwise specified (see 6.2), die size and length shall be as
specified in table II, and the tread elastomer shall be cut as shown in figure 1 (see 4.8).
TABLE II. Classes and sizes. 2/
Minimum
length in.
Die size 1/
Class
Group
[meters (m)]
Applicable tire size
50-50-16
2
A
600 (15.24)
9x6
30-30-16
2
A
600 (15.24)
10 x 3
50-50-16
1
A
70 (1.78)
10 x 5
36-36-16
1
A
70 (1.78)
11 x 3
36-36-28
1
A
70 (1.78)
12 x 3
42-42-32
2
A
600 (15.24)
12 x 4-1/8
26-26-26
2
A
600 (15.24)
13-7/16 x 1-11/16
40-40-24
1
A
86 (2.18)
13-1/2 x 3-1/2
40-40-24
1
A
86 (2.18)
13-1/2 x 3-3/4
16-26-48
1
A
58 (1.47)
18 x 2-1/2 (x 3-3/4)
62-62-48
1
A
65 (1.65)
20 x 6 x 16
65-65-60
1
A
70 (1.78)
20-1/2 x 6-1/4
26-26-28
1
A
70 (1.78)
22 x 1-11/16 (was 22 x 2)
22-22-24
1
B
70 (1.78)
22 x 1-3/4
62-62-52
1
A
70 (1.78)
22 x 6-1/4
32-32-22
1
A
70 (1.78)
23 x 1-1/4
36-36-30
1
B
79 (2.01)
24 x 2.12 (wide) (AL)
34-34-30
1
B
79 (2.01)
24 x 2-1/8
36-36-30
1
B
79 (2.01)
24 x 2.38 (steel)
47-47-42
1
A
79 (2.01)
24 x 3-3/4 (was 24 x 5)
5
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