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Related Clues:
- Fabric introduced by DuPont
- Durable fiber
- Acrylic fiber trademark
- Sail material, often
- Sweater fiber
- DuPont discontinued it in 1990
- Sock synthetic
- DuPont's Fiber A, now
- DuPont's acrylic fiber
- 1950s sweater material
- Wrinkle-free textile fiber
- Woollike acrylic fiber
- DuPont acrylic
- DuPont creation of 1941
- Material for Conrad novel