Resin,

Resin, for the purposes of this subpart, means a polymer with the following characteristics:
(i) The polymer is a block polymer;
(ii) The manufactured polymer does not require vulcanization to make useful products;
(iii) The polymer production process is operated to achieve at least 99 percent monomer conversion; and
(iv) The polymer process unit does not recycle unreacted monomer back to the process.

Source

40 CFR § 63.482

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Scoping language

The following terms used in this subpart shall have the meaning given them in 63.2, 63.101, or the Act, as specified after each term:

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