Acrylic Physical & Chemical Properties

(A Wool-Like Fiber)
Composition
Acrylonitrile and small amounts of other monomers

Physical Properties
Microscopic appearance
– Uniform and smooth surface
– Irregular spaced striations

Length
– Mainly a staple fiber Color
– White to off-white

Luster
– Bright, semi dull, or dull

Strength
– Fair to good strength

Elasticity
– Good

Resilience
– Good ā€“

Water Absorption
– 1-3%

Heat
– Yellowing may occur above 300′ F
– Softening or sticking about 450′ F

Flammability
– Burns with yellow flame

Electrical Conductivity
– Fair to good

Specific Gravity
– 1.14 to 1.19
– Good bulk and covering power