Finishing materials
Finishing materials means the purchased substances (including auxiliaries added to the finish to improve the finishing process or the characteristics of the finished textile) that are applied individually or as mixtures to textile substrates to impart desired properties.
Source
40 CFR § 63.4371
Scoping language
Terms used in this subpart are defined in the CAA, in 40 CFR 63.2, and in this section as follows: