The soap cake shall be an extruded cake. It shall be mildly perfumed and shall be light enough to float on water. A freshly cut surface of soap cake shall not be darker than color No. 37778 of Federal Standard No. 595. Each cake shall weigh 2.0 ± 0.5 ounces.

Characteristic Requirement Test method

Moisture Max. 24% ASTM D 460 #11
Free alkali (as NaOH) Max. 0.1% ASTM D 460 #18
Anhydrous soda soap Min. 74% ASTM D 460 #21-22
Acid no. of fatty acids Min. 209 mg KOH/g ASTM D 460 #45-46

The issue of ASTM D 460 in effect on the date of the solicitation shall be used to determine compliance with this requirement.

Exception to DoD 4140-27-M, delete paragraph 2-12, and substitute the following:

"2-12. Any soap delivered from a contractor not having at least 17 months shelf-life remaining shall be considered non-conforming."

Maximum age on delivery - 7 months from date of manufacture (see exception to DoD 4140-27-M).

Unit of Issue - BX (Two hundred and eighty-eight cakes of soap per box)