Ii

Indoor air quality (IAQ)
A term used to describe the quality of the air breathed by occupants of an indoor or enclosed environment.

Internal Dye Variability
The change in dye uniformity across diameter and along the length of a yarn's individual filaments. Affects appearance of the dyed product and is a function of fiber, dye, dyeing process, and dye bath characteristics.

International Gray Scale for Color Change
A standard comparison to rate degrees of color change from 5 (no change) to 1 (severe change).

International Gray Scale for Staining
A standard comparison to rate degrees of staining from 5 (no stain) to 1 (severe stain).

ISO (The International Organization for Standardization)
A non-governmental, worldwide organization whose work results in international agreements that are published as International Standards.