TABLE I. Construction and physical requirements
Characteristic
I
II
III
IV
V (Shuttle loom)
V (Shuttleless loom)
VI
Filling yarn No: Denier
1800 + 10% 1800 + 10% 1800 + 10% 1800 + 10%
1000 or 1100
2600
1000 or 1100
Filling yarn shuttleless
single ply denier
100 + 10% 2600 + 10% 2600 + 10% 2600 + 10%
-
2600 + 10%
Ply: Warp (face and back)
2
2
2
2
2
1
3
Binder
-
-
-
-
-
-
2
Filling
-
-
-
-
1
2
Ply twist, turns per inch 1/
Warp (face and back)
1.5 - 3.5
1.5 - 3.5
1.5 - 3.5
1.5 - 3.5
2.5 - 3.0
-
2.5 - 3.0
Binder
-
-
-
-
-
-
2.5 - 3.0
Filling
-
-
-
-
2.5 - 3.0
1.5
2.5 - 3.0
Warp ends (Min.) When
1000 denier yarns are
used: Face and back
168
238
282
380
398
298
494 2/
Binder
-
-
-
-
38 (1300 denier)
-
41
When 1100 denier yarns
are used Face and Back
154
216
256
346
362
-
449 2/
Binder
-
-
-
-
-
-
37
When 2600 denier yarns are used face and back I, II, III, IV (shuttleless) 86, 172, 200, 235.
Picks per inch (Min.)
19
23
23
32
22
-
17
2 yarns per shed
17
16
16
18
-
16
-
Width, inches
1-23/32
1-23/32
1-23/32
3
1-3/4
1-3/4
1-3/4
(+ 1/16)
(+ 1/16)
(+ 1/16)
(+ 1/8)
(+ 1/16)
(+ 1/16)
(+ 1/16)
Weight, (oz/sq. yd.)(Max.)
1.80
2.30
2.64
4.25
3.90
4.35
7.50
Thickness, (inches)
.040 - .065
.060 - .085
.070 - .095
.065 - .090
.110 - .135 3/
.110 - .135 3/
.215 - .235
Breaking strength: Initial
(Lbs.)(Min.) 4/
3,600
6,000
7,000
8,700
10,000
10,000
15,000
After abrasion, (Lbs.)
(Min.) 4/ 5/ 6/
-
-
-
-
9,000
9,000
13,500
After accelerated aging,
percent loss based on
initial breaking strength
(Lbs.) (% Max.) 6/
-
-
-
-
5.0
5.0
5.0
Elongation, (Percent)
(Max.) At 2500 lb. load 6/
18.0
-
-
-
-
-
-
At 3000 lb. load 6/
-
13.0
12.0
12.0
9.0
9.0
7.5
At 90 percent of specified
minimum breaking
strength 7/
-
17.5
17.5
18.5
16.0
16. 0
17.5
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