VV-C-846 Cutting Fluids: Emulsifiable OilsThis specification covers three types of emulsifiable oils, which, when diluted with water, are intended for use in metal-cutting operations see 6.1.

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VV-C-846D

3.3 Storage stability. The emulsifiable oils shall show no separation or gelling when tested in accordance with 4.4.1.

3.4 Emulsion stability. The emulsion shall show no separation or sedimentation when tested in accordance with 4.4.2.

3.5 Frothing. The volume of froth at the top of the emulsion shall not exceed one milliliter (mL)

when tested in accordance with 4.4.3.

3.6 Gumming. The residue shall show no gumminess, and shall show not more than one mL of separated oil when tested in accordance with 4.4.4.

3.7 Corrosion. There shall be no staining, pitting, nor etching of steel, copper, brass, or cast iron when tested in accordance with 4.4.5.

3.8 Film strength. The diluted emulsifiable oil shall be capable of carrying the following jaw load without seizure or welding and shall not exceed the following torques (see table II) when tested in accordance with 4.4.6.

TABLE II. Film strength.

Types	Jaw load	Maximum torque
Type I	1,500 pounds	50 in.-lbs.
Type II	2,000 pounds	70 in.-lbs.
Type III	3,750 pounds	80 in.-lbs.

3.9 Toxicity. The emulsifiable oils shall have no adverse effect on the health of personnel, in either concentrated or diluted form, when used for the intended purpose. Questions pertaining to toxicity shall be referred by the procuring activity to the appropriate departmental medical

service that will act as advisor to the procuring activity (see 4.4.7).

3.10 Workmanship. The emulsifiable oils shall be clear, homogeneous fluids. The oils and their emulsions shall be free from objectionable odors such as rancidity or hydrogen sulfide.

4. QUALITY ASSURANCE PROVISIONS

4.1 Responsibility for inspection. Unless otherwise specified in the contract (see 6.2), the contractor is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contract, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the government. The government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure that supplies and services conform to prescribed requirements.