- Rayon fibers are engineered to possess a range of properties to
meet the demands for a wide variety of end uses. Some of the important
types of fibers are briefly described.
High Wet Modulus Rayon
- These fibers have exceptionally high wet modulus of about 1
g/den and are used as parachute cords and other industrial uses.
Fortisan fibers made by Celanese (saponified acetate) has also been used
for the same purpose.
- Polynosic Rayon
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- These fibers have a
very high degree of orientation, achieved as a result of very high
stretching (up to 300 %) during processing. They have a unique fibrillar
structure, high dry and wet strength, low elongation (8 to 11 %),
relatively low water retention and very high wet modulus.
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