CID A-A-2121A
Table 1. ROLLER COVERS, TYPE 1, CLASS B
|
Pile |
Backing Yarn Cotton or Polyester Size Warp Filling |
Pile Yarn Content
|
Fabric Weight/ Square Yard Including backing, grams, (ounces), min. |
|||
|
Thickness mm, (inch) |
Tolerance mm, (inch) |
|||||
|
5 (13/64) |
+/- 0.8 (1/32) |
20/2 |
10/2 |
40% Mohair 60% Viscose |
606 |
(19.5) |
|
6 (1/4) |
+/- 0.8 (1/32) |
20/2 |
10/1 |
40% Mohair 60% Viscose |
684 |
(22) |
2.6 Type 2. Class A roller covers shall be knotted, crimped polyester on a 100 percent polyester backing. The backing shall be knit with not less than 10 wales, and not less than 21 courses nor more than 25 courses per inch. The fabric shall be back coated with a heat-cured synthetic coating. Pile height, polyester size, denier of pile and weight per square yard shall be in accordance with Table 2.
Table 2. ROLLER COVER, TYPE, CLASS A
|
Pile |
Backing Yarn Cotton or Polyester Size Warp Filling |
Pile Yarn Denier
|
Fabric Weight/ Square Yard Including backing, kg., (ounces), min. |
|
|||
|
Thickness mm, (inch) |
Tolerance mm, (inch) |
||||||
|
Max |
Min |
|
|||||
|
9.5 (3/8) |
+/- 0.8 (1/32) |
10/1 |
14/1 |
100% - #6 |
0.9 |
(29) |
|
|
16 (5/8) |
+/- 1.6 (1/16) |
10/1 |
14/1 |
75% - #6 25% - #15 |
1.02 |
(33) |
|
|
22 (7/8) |
+/- 1.6 (1/16) |
10/1 |
14/1 |
75% - #6 25% - #15 |
1.15 |
(37) |
|
|
25.4 (1) |
+/- 2 (3/32) |
10/1 |
14/1 |
75% - #6 25% - #15 |
1.31 |
(42) |
|
|
32 (1-1/4) |
+/- 2 (3/32) |
10/1 |
14/1 |
75% - #6 25% - #15 |
1.43 |
(46) |
|
2.7 Type 2, Class B roller cover shall be made of a woven pile fabric with the pile being a blend of acrylic and modacrylic fibers. The pile yarn shall be woven with a “W” bind weave. The 6 mm (0.225 inch) pile thickness shall have 11 tufts per square inch +/- 5 % and the backing fabric shall be woven with 52 ends and 48 picks per 25.4 mm (1-inch) +/- 5 %. The backing fabric shall be coated with a heat cured synthetic coating. Pile thickness, backing yarn size, pile yarn content and weight of fabric shall be as specified in Table 3.
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