Friction ingredients

Friction ingredients means any of the components used in the manufacture of friction materials, excluding the HAP solvent. Friction ingredients include, but are not limited to, reinforcement materials, property modifiers, resins, and other additives.

Source

40 CFR § 63.9565

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Scoping language

Terms used in this subpart are defined in the Clean Air Act, in 63.2, and in this section as follows:

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