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Sewing Threads of NOMEX® Brand Fiber
NOMEX® is the registered trademark for one of DuPont's high temperature-resistant aramid fibers with exceptional thermal stability and good resistance to degradation by a wide range of chemicals and industrial solvents. SAUNDERS THREAD Manufacturers continuous multifilament and spun Nomex® for a variety of sewing operations. Continuous multifilament Nomex® is available in soft and bonded.
FILAMENT NOMEX®
| Tex Sizes |
Government
Spec A-A-50195 MIL-T-43636A |
Approximate Single End Strength |
Approximate Yards Per Pound Soft |
| 40 | B/2 (46/400d) | 3.4 | 9,700 |
| 60 | E/3 (69/600d) | 5.0 | 6,500 |
| 80 | F/4 (92/800d) | 6.0 | 4,870 |
| 120 | FF/3 (138/1200d) | 10.0 | 3,075 |
| 180 | 3/3 (207/1800d) | 15.0 | 2,030 |
Filament Nomex® is available in producer dyed Sage Green, Camouflage Green an Desert Tan and a full range of package dyed colors. Bonded will average about 95% of yards shown.
SPUN NOMEX
Tex Sizes |
Government Spec Type I A-A-552117A |
Spec
Requirement Nominal Break Strength (lbs) |
Spec
Requirement Nominal Yards per Pound |
| 27 | Tex 24/27 (2 ply) | 1.6 |
18,000-19,700 |
| 35 | Tex 35/40 (3 ply) | 2.0 |
11,500-13,600 |
| 40 | Tex 40 (3 ply) | 2.6 |
11,000 |
| 45 | N/A (3 ply) | 2.8 |
10,000 |
| 50 | Tex 50/60 (3 ply) | 3.0 |
8,200-9,600 |
| 70 | Tex 70/78 (4 ply) | 4.5 |
6,200-7,100 |
| 90 | Tex 90/98 (4 ply) | 5.5 |
4,700-5,200 |
HP II Spun Nomex® EMBROIDERY Thread Tex 27 3,000 yard King Tubes
Spun Nomex® is available in a full range of package dyed colors. All of our Nomex® sewing threads are tested and certified to NFPA standards by Underwriters Laboratories, Inc. and carry the UL® component label. Underwriters Laboratories, Inc. Certificate number MH14954-280400.
FIBER TECHNICAL INFORMATION
NOMEX®: A manufactured fiber in which the fiber forming substance is a long chain synthetic polyamide in which at least 85% of the amide linkages are attached directly to two aromatic rings.
EFFECT OF HEAT: Does not melt. Decomposes at about 700° F.
EFFECTS OF ACIDS & ALKALIS: Unaffected by most acids, except some strength loss after long exposure to hydrochloric, nitrics and sulfuric. Generally good resistance to alkalis.
EFFECTS OF BLEACHES & SOLVENTS: Unaffected by most bleaches and solvents except slight strength loss from exposure to sodium chlorite.
DYES USED: Industrial yarn is nondyeable. Staple is dyeable with some type dyes.
RESISTANCE TO MILDEW, AGING, SUNLIGHT, ABRASION: Excellent resistance to mildew and aging. Prolonged exposure to sunlight causes some strength loss. Good abrasion resistance.
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