No person shall manufacture, offer, or expose for sale, boiled linseed oil unless it has been prepared by heating pure raw linseed oil to a temperature of two hundred twenty-five degrees Fahrenheit and incorporating not to exceed four per cent by weight of drier. Such boiled linseed oil must also conform to the following requirements:
- (A) Its specific gravity at sixty degrees Fahrenheit must be not less than nine hundred thirty-five thousandths and not greater than nine hundred forty-five thousandths.
- (B) Its saponification value, Koettstorfer figure, must not be less than one hundred eighty-six.
- (C) Its iodine number must not be less than one hundred sixty.
- (D) Its acid value must not exceed ten.
- (E) The volatile matter expelled at two hundred twelve degrees Fahrenheit must not exceed one half of one per cent.
- (F) No mineral oil shall be present, and the amount of unsaponifiable matter as determined by standard methods shall not exceed two and five tenths per cent.
- (G) The film left after flowing the oil over glass and allowing it to drain in a vertical position must be free from tackiness in not to exceed twenty hours, at a temperature of about seventy degrees Fahrenheit.