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    ARMY A-A-59317-1998 CARBON BLACK POWDERED DRY《干燥粉状碳黑》.pdf

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    ARMY A-A-59317-1998 CARBON BLACK POWDERED DRY《干燥粉状碳黑》.pdf

    1、. METRI Cl A- A- 5 9 3 17 August 28, 1998 SUPERSEDING MIL-C-306C August 4, 1978 COMMERCIAL ITEM DESCRIPTION CARBON BLACK, POWDERED, DRY The General Services Administration has authorized the use of this commercial item description, for all federal agencies. 1, SCOPE. This CID covers several grades o

    2、f carbon black used in the manufacture of explosives, propellants, stabilization of Cyclotol explosives, liners, and propellant for base bleed projectiles. The carbon black covered by this CID contains a higher percentage of carbon than is normally available as a commercial off-the-shelf product. 2.

    3、 CLASSIFICATION. The carbon black procured under this CID shall be classified by grades based on the intended use of the product. The grade and quantity of carbon black shall be specified in the contract or order (see 7.2). The following grades are available: Grade A - Rocket propellants. Grade B -

    4、Stabilization of Cyclotol explosives. Grade C - Small arms ammunition propellants. Grade D - For use in ABL 917, 1362, 1481, and 2434 casting powders. Grade E - Liner material for torpedo warheads; MK 103 and MK 107. Grade F - Propellants for 2.2 KS, Tartar, Standard Arm, Polaris, and PBX Grade G -

    5、For use in M864 propellant composition. (AF) - 108 liner material. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, US Army TACOM-ARDEC, Attn.: AMSTA-AR-QAW-E, Bldg 12, Picatinny Arsen

    6、al, NJ 07806-5000 by using the Standardization Document Improvement IProposal (DD Form 1426) appearing at the end of this document or by letter. msc N/A FSC 6810 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Licensed by Information Handling Services A-A-59337 9018

    7、054 0003255 219 A-A- 59317 3. SALIENT CHARACTERISTICS 3.1 ProDerties. The properties of carbon black shall conform to the requirements and test methods specified in Table I. For Grade A carbon black, the contract or order (see 7.2) shall specify whether the diphenyl guanidine requirement shall repla

    8、ce the oil absorption requirement. 3.1.1 Settlinq. (Applicable to Grade B and C only). The difference in the percentage of RDX content of the slurry prepared with carbon black and Type I, Class 2 Cyclotol in accordance with MIL-E-82668 shall not be greater than two percent from top to bottom of the

    9、test sample. 3.1.2 Yield. (Applicable to Grade B and C only). The yield value (dynes/cm2) shall be derived from a mixture of 1800g of Type I, Class 2 Cyclotol with carbon black at a mix temperature of 95 IiT. 3.1.3 Reactivitv with exDlosives. (Applicable to Grade carbon black reaction with the explo

    10、sive or propellant than 2.0 cm3/g of gas. 3.2 Workmanship. The carbon black shall be free of for wood, paper, metal, and dirt. B and shall ign m C only). The produce no more tter such as 4. REGULATORY REQUIREMENTS. The offeror/contractor is encouraged to use recovered materials to the maximum extent

    11、 practicable, in accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR). 4.1 Test methods and Drocedures. The carbon black shall be tested in accordance with the methods and procedures specified herein (see 7.6). Inspection shall be performed using prescribed analytical procedu

    12、res for replicate determinations given in standard analytical textbooks. PRECAUTIONS - This specification addresses chemically toxic or explosive materials which are potentially hazardous to personnel. Accordingly, it is emphasized that all applicable safety rules, regulations and procedures must be

    13、 followed in handling and processing thes materials. 4.1.1 Yield value. 4.1.1.1 Preparation of slurrv. Prepared a batch of Type I, Class 2 Cyclotol (see 3.1.1) with carbon black, in a gallon wide mouth, steam heated kettle. The kettle shall be equipped with an impeller type agitator driven by an air

    14、 motor. Place aluminum foil around the top of the kettle to prevent drafts from cooling the surface of the explosive. 4.1.1.2 Mix isrocedure. The temperature of the mix shall be 95 i 1OC. All the components shall be accurately weighed to 0.lg. First, add 1800g of Cyclotol to the kettle and melt. The

    15、n add the remaining components to the kettle in the following order: 16.7g Composition D-2 in accordance with MIL-C-18164. Next, add 1.8g of lecithin in accordance with MIL-L-3061, (except the requirement for 93 -4 Y E A-A-59317 W 9038054 0003259 964 W O m r- AA zz I AAR A 222 z AA a O Ln d I CI m O

    16、 m I CI m o I rl rl W I Ln o I rl rl W I m o I rl ri w I ln O m I Ca m 05 .=r d I a c O -rl u 8 O U Licensed by Information Handling Services A-A-59317 W 901805Y 0003260 bb W A-A- 59317 7.4 Conversion data. In order to calculate the Yield Value using units of the International Metric System, the fol

    17、lowing conversions are given: 1 dyne = 1 x lo- newtons (N) 1 centipoise = 1 x Pascal seconds (Pa.s) 7.5 Use of benzene. Benzene is considered carcinogenic. Therefore, adequate ventilation must be provided when working with this solvent. A fume hood should be employed. 7.6 Eauivalent test methods. Th

    18、e contractor may propose to the Government alternate (equivalent) test methods for any test in section 4 and table I. This test shall have, as a minimum, the same accuracy and precision as the present test method. 7.7 Fisher Droducts. Information regarding Fisher products may be obtained from Fisher

    19、 Scientific, 600 Business Center Drive, Pittsburgh, PA 15205-9913. 7.8 Key Words. Benzene Chemi ca 1 s Lamp Black MILITARY INTERESTS: Custodians Army-AR Review Activities Artny-EA, MI DLA- GS CIVIL AGENCY COORDINATING ACTIVITY: GSA- FSS Preparing Activity: Army-AR Project 6810-1598 7 Licensed by Information Handling Services


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