1、VIL-C-85LI96 68 m 7779706 0323642 2 m MIL-C-85496(AS) 6 October 1981 /f - /s- 1 7 MILITARY SPECIFICATION CARBON BLACK This specification is approved for use by the Naval Air Systems Command, Department of the Navy, and is available for use by all Departments and Agencies of the Department of Defense
2、. 1. SCOPE. 1.1 Scope. This specification establishes the requirements for one type of carbon black. 2. APPLICABLE DOCUMENTS. 2.1 Issues of documents. The following documents of the issue in effect on date of invitation for bids or request for proposal form a - part of this specification to the exte
3、nt specified herein. STANDARDS MILITARY MIL-STD-129 Marking for Shipment and Storage. (Copies of specifications, standards, drawings, and publications required by contractors in connection with specified procurement functions should be obtained from the procuring activity or as directed by the contr
4、acting officer. ) Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commanding Officer, NavalAir Engineering Center, Engineering Specifications and Standards Department (ESSD), Code 93, Lakehurst,
5、 NJ 08733, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or bv letter. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2.2 Other publications. The following documents fo
6、rm a part of this cated, the issue in effect on date of invitation for bids or request for proposal shall apply. specification to the extent specified herein. Unless otherwise indi- i STANDARDS American Society for Testing and Materials (ASTM) ASTM-D-1506 ASTM-D-1512 Standard Method of Testing Carbo
7、n Black Ash Content. 1 Standard Method of Testing Carbon Black pH Value. (Applications for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) 3. REQUIREMENTS. 3.1 Chemical and physical properties. Chemical and physical properties
8、of the carbon black shall conform to Table I. TABLE I. Chemical and physical properties. Property Ash, percent PH Surface area, m /g Volatiles, percent 2 Minimum . 7.0 5.0 . Maximum 0.50 9.7 9.0 0.5 3.2 Stability. When packaged in accordance with 5.1, the carbon black shall meet the requirements of
9、this specification for a minimum of 12 months. This may be extended in additional 12-month increments by retesting for volatiles for conformance to Table I. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-85476 68 = 7777706 0123644 b Number of
10、containers in lot 100 or more 51 - 99. 11 - 50 1 - 10 MIL-C-85496(AS) I Number of composite samples Number of containers s amp 1 e d (primary sample) . 10% (nearest whole 5 10 4 10 3 Al 1 2 number) 3.3 Toxic products and safety. Safety regulations and guidelines applicable to the use of carbon black
11、 should be complied with to pre- clude personal injury and damage to equipment and facilities. 3.4 Workmanship. Workmanship shall be such that the carbon black is uniform, of consistent high quality, and free from contamination. 4. QUALITY ASSURANCE PROVISIONS. 4.1 Responsibility for inspection. Unl
12、ess otherwise specified in the contract or purchase order, the contractor shall be responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified, the contractor may utilize his own facilities or any other commercial laboratory acceptable to the Gov
13、ernment. The Govern- ment reserves the right to perform any of the inspections set forth in this specification where such inspections are deemed necessary to assure that supplies and services conform to prescribed requiremen-ts. 4.2 Sampling. The lot shall be sampled in accordance with Table II. 4.2
14、.1 Primary samples. Physical property tests shall be run on each sample (see Table 11). The material may be sampled by use of a clean metallic tube or scoop. test requirements shall be taken. The minimum sample size shall be two ounces. Glass or plastic containers may be used. Each sample shall be l
15、abeled with date, lot number, and manufacturers container identification number. Failure of any primary sample to pass all of the physical prop- erties tests herein shall result in rejection of the lot represented. The smallest sample size that is consistent with 4.2.2 Composite samples. Chemical pr
16、operty tests shall be run on each composite sample. Divide the primary samples equally into the number of composites shown in Table II. Blend each composite thoroughly 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-C-536 68 = 9999906 OL23b45
17、I MIL-C-85496(AS) I by manipulation of the container. Label each composite with Roman num- identification numbers. The remainder of the primary samples shall be retained pending acceptance or rejection of the lot. Failure of any composite sample to pass all of the chemical-properties tests herein sh
18、all result in rejection of the lot represented. erals, also include date, lot numbers, and manufacturers container ) 4.3 Quality conformance inspections and tests, Acceptance inspections and tests shall consist of the following: a. Tests of Table I properties (see 4.4). b. Inspection of filled conta
19、iners (see 4.5.1). k c. Visual inspection (see 4.5.2). 4.4 Test methds. Tests shall be performed using apparatus, reagents, and procedures specified herein. The use of alternate apparatus, re- agents, or procedures shall require prior written approval of the pro- curing activity. 4.4.1 Ash content.
20、Ash content shall be determined in accordance with ASTM-D-1506. 4.4.2 pH test. pH shall be determined in accordance with ASTM-D-1512. 4.4.3 Surface area. 4.4.3.1 Apparatus. a. Platinum crucible with cover, 15-ml (type used in coal analy- sis; 0.1 millimeter (mm) diameter hole shall be punched in cov
21、er). b. Iodine flask, 250-1111, with standard taper stopper,or equal. 4.4.3.2 Reagents. a. Iodine solution, 0.01 normal (N) b. Sodium thiosulfate solution, 0.01 N c. Thyodene (Magnus Chemical Company),or equal 4.4.3.3 Determination of surface area. Fill a crucible with sample to approximately 0.25 i
22、nch from top, cover tightly and heat in a muffle furnace at 925 f20C for 7 minutes. . Remove the crucible and sample from furnace and cool in a desiccator with the cover still in place. #Remove L- 4 r Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-M
23、IL-C-85?476 68 W 777770b 03236?46 T W I and discard 8.4 to 12.7 mm of top layer of sample. 2.0 grams (gm) of the remaining sample into glass-stoppered flask. and shake for 30 minutes. Transfer the solution to a centrifuge tube, stopper and centrifuge until solution is clear. exactly 40 ml of centrif
24、uged solution to iodine.flask and titrate with sodium thiosulfate solution until nearly all of free iodine is neutral- ized. Add 0.5 gm of Thyodene and complete the titration. Run a blank, using 40 ml of iodine solution. Accurately weigh r- Add 100 ml of iodine solution, stopper, transfer to a mecha
25、nical shaker Using a buret, transfer Calculation: (A x 0.937) -4.5 W Surface area, square meters/gm = Where A=- - x 100 B B = volume of sodium thiosulfate solution used to titrate blank, ml C = volume of sodium thiosulfate solution used to titrate sample, ml W = weight of sample, gm peport the surfa
26、ce area to the nearest 0.1 square meter/gm. 4.4.4 Volatiles. 4.4.4.1 Apparatus. Glass-stoppered weighing bottle. 4.4.4.2 Determination of volatiles. Weigh accurately 4.0 gm of sample in a tared, glass-stoppered weighing bottle. Heat the unstoppered bottle and sample for 1 hour at 10S0C, replace stop
27、per, cool in a desiccator and weigh. Calculations: 100 (A - B) W Percent volatiles = Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-5496 68 m 9999906 OL23b47 L MIL- C - 85 496 (AS) Where A = weight of stoppered bottle and sample, gm B = weight
28、 of stoppered bottle and dried sample, gm W = weight of sample, gm Report the volatiles t.0 the nearest 0.1 percent. 4.5 Examinations. 4.5.1 Inspection of filled containers. All filled containers shall be inspected prior to shipment or use for accuracy of markings and for de- fects in containers and
29、 closures. All defective containers and closures shall be repaired or replaced, and contents therein shall be reinspected prior to shipment or use. 4.5.2 Visual inspection. All samples shall be visually inspected to determine conformance to the requirements of 3.4. 4.6 Records. Certification and tes
30、t data shall be prepared as re- quired by the procuring activity (see 6.2.2). 5. PACKAGING. 5.1 Packaging and packing. Unless otherwise specified in the con- tract or purchase order (see 6.2.1), packaging of the carbon black shall be in accordance with commercial practice to ensure carrier acceptanc
31、e and shall be of such construction and materials that the contents will be adequately protected against loss or contamination. 5.2. Marking. Unless otherwise specified in the contract or purchase order (see 6.2.1), each shipping container shall be marked in accordance with the requirements of MIL-S
32、TD-129. Container marking shall include the following: I a. The suppliers lot number. b. Procuring activity purchase order number. c. Container identification number (applied in numerical sequence as the containers are filled). d. Date of manufacture. e. Manufacturers Code Ident. 6 Provided by IHSNo
33、t for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-C-85q76 b m 7797906 OL23b4 3 m f. Net and tare weight of the container. g. Material identification. 6. NOTES AND CONCLUDING MATERIAL. 6.1 Intended use. The material described hereir, is intended used as an ingredie
34、nt in rocket motor case liner formulations. 6.2 Ordering data. 6.2.1 Procurement requirements. Procurement documents should the following: to be specify a. Title, number and date of this specification. b. Responsibility for inspection and inspection facilities if different than 4.1. c. Special packa
35、ging, packing, or shipping requirements, if applicable (see Section 5). 6.2.2 Data requirements. When this specification is used in a procurement which incorporates a Contract Data Requirements List (DD Form 1423) and invokes the provisions of 7-104.9(n) of the Defense Acquisition Regulations (DAR),
36、 the data requirements identified below will be developed as specified by an approved Data Item Description (DID) (DD Form 1664) and delivered in accordance with the approved DD Form 1423 incorporated into the contract. When the provisions of DAR-7-104.9(n) are not invoked, the data specified below
37、will be deliv- ered by the contractor in accordance with the contract requirements, Deliverable data required by this specification is cited in the following paragraphs : Para graph 4.6 Data Requirement Applicable DID Certification UDI-A-23264B Test Data DI-T-4024 (Copies of DIDs required by the con
38、tractors in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.) 6.3 Definitions. 6.3.1 - Lot. At place of manufacture, a lot consists of one batch (6.3.2) or a uniform blend of two or more batches. At place of deli
39、very, 7 - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-C-85476 68 7779706 02236117 5 M MIL-C-85496 (AS) a lot consists of carbon black from one suppliers lot received in a single shipment. ment by the procuring activity. Partial shipments may
40、 be considered as a single ship- -6.3.2 Batch. A batch consists of carbon black made as one unit in an unchanged manufacturing process. 6.4 Suggested source of supply. A product that has met the require- ments of this specification in past procurement actions is marketed by R. T. Vanderbilt Company,
41、 Code Ident 88596, as Thermal Black, N-991. This information is for the convenience of the procuring activity and is not to be construed as a waiver of any requirement of this specification nor as any limitation of additional potential sources of supply. Preparing activity: Navy - AS (Project 681 0-NB27) .CIUS. GOVERNMENT PRINTING OFFICE: 1981-505-022/8510 8 -. , ! Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
