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Abstract
An investigation is reported in which fabrics were exposed to elevated temperatures for different times and the changes in dimensional stability, tear-resistance, breaking strength, and colour were determined. For tear-resistance and breaking strength, polyester-fibre fabrics were less affected by heat than the other fabrics tested. The polyester-fibre fabrics also retained their white appearance after all heat treatments, whereas all the other fabrics changed colour appreciably. The dimensional stabilities for fabrics were all quite good, with nylon and polyester-fibre fabrics shrinking more than the others. Tear-resistance was reduced appreciably more than breaking strength for all fabrics, with FR fabrics losing more than the untreated fabrics.
A suggestion is made for calculating, from the Arrhenius equation, the useful life of a fabric at any elevated temperature.