1、MIL-E-82898 m 99799Ob Lb40L 765 m MIL-E-82898(NAVY) 30 December 1994 SUPERSEDING AS 4513C 5 September 1991 (See 6.7) MILITARY SPECIFICATION EXPLOSIVE, PLASTIC-BONDED, CAST, PBX(AF)-lOS is specification is approved for use by the Department of the Navy and is available for use by all Deparrments and
2、Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification establishes the requirements for one type of cast plastic-bonded explosive designated as “PBX(AF)-lOS“. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. The following specifications and
3、 standards form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). SPE
4、CIFICATIONS MILITARY MIL-R-398 RDX Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Indian Head Division, Naval Surface Warfare Center, Standardization Branch (Code 8420), Indian Head,
5、 MD 20640-5035 by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by sending a letter. AMSC N/A FSC 1376 DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or n
6、etworking permitted without license from IHS-,-,-MIL-E-82898 = 999990b L99b402 bTL * MIL-E-82 898(NAVY) MIL-T-23624 Tolylene-2,4-Diisocyanate MIL-P-47067 2,4-Pentanedione DOD-M-82730 4, 4-Methylenebis (2,6-Di-Tert-Butylphenol) MIL-C-85293 Copper Sulfate, Anhydrous (Unless otherwise indicated, copies
7、 of federal and military specifications and standards are available from the DODSSP - Customer Service, Standardization Documents Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 191 11-5094.) 2.1.2 Other Government documents, drawings, and publications. The following other Government d
8、ocuments, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues shall be those cited in the solicitation. DOCUMENTS NAVAL AIR SYSTEMS COMMAND (CAGE Code 30003) AS 2319 Polypropylene Glycol, Plastics Grade AS 2323 Ferric Acetyla
9、cetonate AS 2324 Hexamethylene Diisocyanate AS 2328 Isodecyl Pelargonate AS 2333 Sulfur, Flowers of AS 4662 Polymethylene Polyphenylisocyanate (Application for copies should be addressed to the Commander, Naval Air Systems Command, Code AIR-51122E, Arlington, VA 22243-51 10.) NAVAL SEA SYSTEMS COMMA
10、ND (CAGE Code 10001) OD 4481 1 Safety and Performance Tests for Qualification of Explosives (Application for copies should be addressed to the Commander, Port Hueneme Division, Naval Surface Warfare Center, NAVSEA Data Support Activity (Code 5H30), Port Hueneme, CA 93043-5007.) 2.2 Non-Government pu
11、blications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopted are those listed in the issue of the DODISS cited in the solicitation. Unless otherwise specified, the issues of documents no
12、t listed in the DODISS are the issues of the documents cited in the solicitation (see 6.2). 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-82898 9999906 1996403 538 CHEMICAL PROPULSION INFORMATION AGENCY (CPIA) CPIA Publication No. 21 JANNAF
13、 Solid Propellant Mechanical Behavior Manual (Supplement) (Application for copies should be addressed to the Chemical Propulsion Information Agency, Applied Physics Laboratory, Johns Hopkins University, Johns Hopkins Road, Laurel, MD 208 10.) AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM D
14、792 Standard Test Methods for Specific Gravity (Relative Density) and Density of Plastics by Displacement OD adopted) ASTM D 2240 Standard Test Method for Rubber Property-Durometer Hardness OD adopted) (Application for copies should be addressed to the American Society for Testing and Materials, 19
15、16 Race Street, Philadelphia, PA 19103.) (Non-Government standards and other publications are normally available from the organizations that prepare or distribute the documents. These documents also may be available in or through libraries or other informational services.) 2.3 Order of precedence. I
16、n the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. Whe
17、n specified (see 6.2), a sample shall be subjected to first article inspection (see 6.3) in accordance with 4.3. 3.2 Formulation and chemical composition. The formulation and chemical composition of PBX(AF)-108 shall be in accordance with table I. 3.2.1 Exceptions to AS 2323. Toluene may be used in
18、place of benzene to determine the percent of insoluble material. 3.2.2 Exceptions to DOD-M-82730. Exceptions are as follows: a. The melting point maximum shall not apply b. Toluene may be used in place of benzene to determine the percent of insoluble material. c. The water content shall be a maximum
19、 of 0.5 percent by weight. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-82898 9999906 199b404 474 Ferric acetylacetonate (FeAA) 4.4Methylenebis (2.6-di-tert-butylphenol) Isodecyi pelargonate (IDPI Polypropylene glycol (PPGI 2.4 (79%); 2.6
20、(21 %) Tolylene diisocyanate (TDI) 1,6 Hexamethylene diisocyanate (HDI) Polymethylene polyphenylisocyanate (PPI) Sulfur Copper sulfate (anhydrous. powdered) 2,CPentanedione (ecetylacetone) (HA A) I MIL-E-82 898(NAVY) TABLE I. Formulation and chemical composition of PBX(AF)-lO8. i Ingredient I Applic
21、able document I Percent by weight I MIL-R-398 Type 11, Class A Type II, Class E AS 2323 AS 2328 AS 2319 Type I MIL-T-23624 Grade B AS 2324 AS 4662 AS 2333 DOD-M-82730 MIL-C-85293 MIL-P-47067 62.0 * 1.3 20.0 f 0.4 0.50 i 0.01 5.3 f 0.1 see 3.2.6) see 3.2.6) 0.250 f 0.008 0.375 i 0.100 0.100 i 0.002 0
22、.100 f 0.002 0.000 to 0.0043 1 - 1 Tolerances include weighing and material handling limitations. The FeAA content for each lot of explosive may be adjusted within the limits of 0.005 to 0.01 5 percent by weight to achieve the desired curing characteristics. Additions or subtractions of FeAA are to
23、be mede et the expense of IDP. The HAA content for each lot of explosive may be adjusted within the specified limits to increase the explosive pot life. 3.2.3 Exceptions to MILT-23624. The freezing point requirement of TDI shall not apply. 3.2.4 Exceptions to AS 2324. The freezing point requirement
24、of HDI shall not apply. 3.2.5 FeAA particle size. The FeAA shall have a particle size such that 95 percent will pass through a 325-mesh screen. 3.2.6 Isocyanate/hydroxol (NCO/OH) ratio. The TDI content and the PPG content shall be adjusted so as to maintain a total isocyanate to hydroxyl (NCO/OH) eq
25、uivalents ratio of 1.05 _+ 0.05. The tolerance on PPG percent by weight shall be f 0.2; the tolerance on TDI percent by weight shall be f 0.012 (see 6.5). 3.3 Physical and chemical requirements of cured PBX(AF)-108. The physical and chemical properties of PBX(AF)-l8 shall meet the requirements of ta
26、ble II when cured for a minimum of 48 hours at 64 f 5 degrees Celsius (“C). 3.4 Workmanship. The PBX(AF)-LO8 shall be free from foreign materials that would render it unsuitable for the purpose intended. The standards of workmanship exhibited by an approved first article sample shall determine the m
27、inimum requirements for production lots. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order (see 6.2), the contractor is responsible for the performance of all inspection requirements (examinations and tests) as specified h
28、erein. Except as otherwise specified in the contract or purchase order, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-82898 9
29、999906 1996405 300 m Property Density, grams per cubic centimeter g/cm3), 25OC Maximum stress, pounds per square inch (psi), 25C Strain, at maximum stress, percent (Oh), 25OC Modulus, psi, 25OC Shore A hardness, 25C Vacuum thermal stability, cm3 of gas/g/48 hours, 100C Average composition, Oj RDX sp
30、ecified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in this specification where such inspections are deemed necessary to ensure supplies and services conform to prescribed requirements. Requirement Minimum Maximum Test m
31、ethod 1.54 1.58 4.5.1 20 - 4.5.2 15 - 4.5.2 70 - 4.5.2 25 - 4.5.3 - 0.5 4.5.4 80.3 83.7 4.5.5 TABLE II. Physical and chemical propenies of cured PBX(AF)-lO8. 4.2 Classification of inspections. The inspection requirements specified herein are classified as follows: a. First article inspection (see 4.
32、3). b. Quality conformance inspection (see 4.4). 4.2.1 Inspection conditions. Unless otherwise specified, inspections shall be conducted under the following conditions: a. Temperature: 25 rt. 3C b. Altitude: Normal ground level c. Humidity: 65 percent relative, maximum 4.3 First article inspection.
33、Unless otherwise specified in the contract or purchase order (see 6.2), two first article samples shall be taken from a batch which has been manufactured using the processing methods and equipment proposed for production. These samples shall be subjected to the tests specified in 4.5. 5 Provided by
34、IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-82898 9999906 L99b40b 247 = MIL-E-8289 8(NAVY) 4.4 Quality conformance inspection. Two 2,000-g samples shall be taken from each batch of PBX(AF)-108. One 2,OOO-g sample shall be subjected to the tests specifi
35、ed in 4.5. The second sample shall be retained. Each sample shall be stored in a sealed container and shall be labeled as follows: a. Complete explosive designation b. Lot number c. Lot weight, in pounds d. Manufacturers name and plant designation e. Contract number f. Date sample prepared. 4.5 Exam
36、inations and tests. The following examinations and tests shall be performed: 4.5.1 Density test. Density shall be determined for three specimens cut from the cured explosive sample using the procedure specified in ASTM D 792. Hexane may be used as an alternate immersion liquid. The lot shall be reje
37、cted if the mean taken from the three specimens tested does not meet the density requirements of table II. 4.5.2 Stress and strain, or modulus test. Stress and strain, or modulus, shall be determined for a minimum of five cut or stamped specimens in accordance with CPIA Publication 21, Supplement/Se
38、ction 4.3.2, October 1988, “Uniaxial Tensile Tests at Constant Strain Rate.“ The mean value of the five specimens, tested for stress at maximum load (a3 and strain at maximum load (E the tolerance on TDI percent by weight shall be &- 0.012. 6.6 Subject term (key word) listing. Cast material Material
39、, cast 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-82878 7999906 L77b407 T5b MIL-E-8289 8(NAVY) 6.7 Supersedure information. MIL-E-82898 incorporates the following engineering change proposal (ECP) and notice of revision (NOR): ECP NOR NEDED-351Rl (1/15/93) 504.36Rl (1 /15/93) Custodian: Navy-OS Preparing activity: Navy - OS (Project 1376-N478) Review activity: Navy-AS 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
