Code of Federal Regulations · Section
§ 21.125 — Rubber Hydrocarbon Solvent
27 C.F.R. § 21.125
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(a) Rubber hydrocarbon solvent is a petroleum derivative.
(b) Distillation range. When 10 percent of the sample has been distilled into a graduated receiver, the thermometer shall not read more than 170 °F. nor less than 90 °F. When 90 percent has been recovered in the receiver the thermometer shall not read more than 250 °F.
Authorizing Statute
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Denaturing materials26 U.S.C. § 5242