Rayon Exam #2

What is the source of Rayon?

Mulberry tree pulp (100% cellulose)

Varieties of Rayon:High-Wet-Modules (HWM) (or Polynosic Rayon)

Improved wet strength

Varieties of Rayon: Cuprammonium Rayon (Cupra)

• A finer, softer version

• Trademark: “Bemberg”

List advantages of Rayon

• Noted for excellent drape

• Luster may be controlled

• Soft, smooth

• Absorbent, no static build-up

• Wicks well

• Low thermal retention (good for the summer, cool to the touch)

List disadvantages of Rayon

• Weak, weaker wet

• Low tenacity (strength is low)

• Low abrasion resistance

• Very low elasticity

• Low resiliency

• Low dimensional stability

• Low elastic recovery

How should Rayon be cared for?

• Dry cleaning (usually recommended)

• Resistant to weak alkalis, harmed by acids

• Withstands high ironing temps

• Attacked by mildew, and molds

Where are Rayon rivers used?

• Dresses

• Sari

• Curtains

• Suits

• Apparel

• Furnishings

• Absorbent non-wovens: Industrial wipes, bandages, diapers, sanitary napkins, tampons, ect…

Fun facts about Rayon! :D

• Originally called artificial silk

• Properties are similar to cotton