View all text of Subpart E [§ 21.91 - § 21.133]
§ 21.125 - Rubber hydrocarbon solvent.
(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.