Text and Science Care

Textile Science and Care 3(2+1)

Lesson 07 : Polyester

Properties of Polyester

Structure Polyester fibres are rod like cylindrical in shape. The diameter is found to be uniform and contains smooth surface. The pitted appearance found in many polyesters is due to the use of titanium dioxide to control its luster. The cross sectional shape is round. Variations in cross sectional shape may be found in special polyesters. The most common are trilobal, T-Shape, pentalobal and trilateral.

Luster:
Density: The density of polyester is 1.38. It can be made into a variety of fabrics ranging from light weight to heavy fabrics.