1、e e e MIL-H-98358 13 W 7977706 0927577 7 W IV MIL-H- 4 8 35 8 ( AR) 30 September i977 MILITARY SPECIFICATION HMX/RESIN EXPLOSIVE COMPOSITION (FOR USE IN AMMUNITION) LX- 14- O This specification is approved for use by the US Army Armament Research and Development Command, and is available for use by
2、all Departments and Agencies of the Department of Defense. 1. SCOPE. 1.1 This specification covers a high energy solid explosive composed of HMX, uniformily coated with a Polyurethane elastomer. (see 6.3 and 6.5). 2. APPLICABLE DOCUMENTS. 2.1 The following documents of the issue in effect on date of
3、 invitation for bids or request for proposal form a part of this specification to the extent,specified herein. SPECIFICATIONS MILITARY MIL-P-63196 - Polyurethane Elastomer MIL-H-45444 - HMX MIL-A-48078 - Ammunition, Standard Quality Assurance Provisions, General Specification for. STANDARDS MILITARY
4、 MIL-STD-650 - Explosive: Sampling Inspection and Testing. MIL-STD-1235 - Single and Multilevel Continuous Inspection by Attributes. FSC: i376 Beneficial commentrr (recommendations, additions, deletions) and any pertinent data which may be of um in improving thia document should be addred to: Comman
5、der, US Army Armament Reaeuch and Development Command, Attn. DRDARQA, Dover, New Jerwy 07801 by wing the w-addreaaed Standardization Document Improvement Propoiul (DD Form 1426) appearing at the end of this document or by letter. Provided by IHSNot for ResaleNo reproduction or networking permitted w
6、ithout license from IHS-,-,-MIL-H-q358 13 W 7777706 Oq27580 3 MIL-H-48358 (AR) US ARMY c 7548644 - Box, Packing for High Explosives Assembly .Details, Packing and Marking. 7548645 - Carton, Packing, Reusable, Collapsible for High Explosives Assembly, Details, Packing and Marking 2.2 Other publicatio
7、ns. The following document forms a part of this specification to the extent specified herein. Unless otherwise indicated, the issue in effect on date of invitation for bids or request for proposal shall apply. AMERICAN SOCIETY FOR TESTING AND MATERIALS ASTM Designation: E300 .- 70 Recommended Practi
8、ce for Sampling Industrial Chemicals, (Application for copies of ASTM Standards should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, Pennsylvania 19103). 3. REQUIREMENTS. 3.1 Material. - The explosive composition shall be HMX particles coated with th
9、e polyurethane elastomer binder. The mixture shall contain a small amount of pigment coloration for identification (see 6.6 and 6.8). 3.1.1 Constituent Material. The constituent material shall conform to the following specifications. TABLE I Constituent Material Specification HMX MIL-H-45444 Grade B
10、 Heliogen Violet Toner 49-6001 (See 6.6, 6.8) (See 3.1.2) Polyurethane Elastomer MIL-P-63196 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-H-LI358 13 9999906 Oq275L 5 M MIL-H-48358 (AR) 3.1-2 Classes of HMX. The granulation of classes of the
11、HMX used in the composition shall conform to Table II. TABLE II Granulation Classes of HMX of NIL-H-45444 1 2 Special (see 6.7) Percent by Weight 65 + 1.0 25 7 1.0 10 (Max 90% thru 325 Mesh screen) - + 0.05 3.2 Composition. - The analytical composition of a blended sample representative of a lot or
12、a batch as defined in 4.4.1 shall be as specified in Table III when tested as specified in 4.6,3. TABLE III Class HMX Polyurethane 3.2.1 Volat 0.10% maximum wh Elastomer Percent by Weight Batch Lot 95.5 + 0.6 95.5 2 0.5 4.5 0.6 4.5 2 0.5 - les. n tested as specified in 4.6.2. The volat le content of
13、 the- composition shall be - 3.2.2 Bulk Density. The bulk density of the composition shall be 0.85 g/cc minimum when tested as specified in 4.6.1. 3.2.3 Granulation. The compsition shall be supplied in the form of free-flowing particles, which shall comply with the following granulation requirements
14、 when tested as specified-in 4.6.5. U.S.S. Sieve Size Designation or Number Cumulative Percent Retained 5/16 in none 4 50 80 1 maximum 95 minimum 98 minimum 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-H-48358 13 W 997990b 0427582 7 W MIL-H-
15、 4 8 35 8 (AR) 3.2.4 Insoluble particles. The composition shall have no insoluble particle retained on a USS Sieve No. 40, and not more than 5 insoluble particles retained on a USS Sieve No. 60 when tested as specified in 4.6.4 provisions for first article inspection, Requirements for the submission
16、 of first article samples by the contractor shall be as specified in the contract. 3.3 First article inspection. This specification contains 3.4 Foreign matter. - The composition shall be free of metal inclusions, woods and other foreign matter when tested as specified in 4.4.2.1. 4. QUALITY ASSURAN
17、CE PROVISIONS. 4.1 Responsibillty for inspection and standard quality assurance provisohs . Unless otherwise specified herein or in the contract, the provisions of.MIL-A-48078 shall apply and are hereby made a part of this detail specification. 4.2 Classification of inspections. The following types
18、of .inspections shall be conducted on this item: a) First article inspection (see 4.3) . b) Quality conformance inspection (see 4.4) 4.3 First article inspection. 4.3.1 Submission. The contractor shall submit a first article sample as designated by the Contracting Officer for evaluation in accordanc
19、e with provisions of 4.3.2. The first article sample shall consist of ten (10) pounds of LX-14-0. 4.3.2 Inspection to be performed. The sample will be subjected by the Government; to any or all of the examinations or tests specified in 4.5 and 4.6 of this specification. 4.3.3 Rejection. 4.4 Quality
20、conformance inspection. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-H-qd358 13 m 379990b Oq27.583 9 m t MIL-H-48358 (AR) 4.4.1 Inspection lot formation. Inspection lots shall comply with lot formation provisions of MIL-A-48078. (see 6.8) In
21、 addition, a lot shall consist of one or more batches of LX-14-0 of one composition designation only, produced by one manufacturer, in accordance with the same specification, or same specification revision, under one continuous set of operating conditions. batch shall consist of that quantity of LX-
22、14-0 that has been sub- jected to the same unit chemical or physical mixing process intended to make the final product homogeneous. contain: Each In addition, each lot shall a. HMX of one type only, from one interfix lot number from one manufacturer only. b. Binder from one interfix lot number from
23、one manufacturer only 4.4.2 Examination. Unless otherwise specified in the Classification of Defects and test tables, sampling plans for major and minor defects shall be in accordance with MIL-STD-105, Inspection Level II (See MIL-A-48078). (see 4.5.1) 5 Provided by IHSNot for ResaleNo reproduction
24、or networking permitted without license from IHS-,-,-MIL-H-q35 13 7779906 0427584 O H n O I E -? mlnlnm ?I Inln w u) g* ip 0 I WWWW O000 3333 ,. O000 O0 ho fi -rl B O rl 4 cd 4 EI ! fim kO orl PU z fi al R Q . rl (u ma mmmo rlrlrlrl rl(U O0 (UN 6 Provided by IHSNot for ResaleNo reproduction or netwo
25、rking permitted without license from IHS-,-,-rn a, Fcl 8 AI 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4 i _-_ MIL-H-48358 23 m 7977906 0427586 4 m Q %! It rl cn n! Cu ?I “ 4. O0 . O0 o a 2 .ri k a, a a, 8 A . riCuCr) O00 CucuCu Q) 5 O m P 3 8
26、 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-H-48358 13 = 7777706 Oq27587 b = . MIL-H-48358 (AR) 4.5 TestinE. 4.5.1 Sampling for test 4.6.1 through. 4.6.5. Approximately 500 grams of explosive composition shall be selected from each batch to
27、be sampled using ASTM Procedures E300-70 for solids. Samples shall be selected for inspection in accordance with MIL-STD- 1235, CSP-.Plan, Inspection Level II, AQL 6.5%. If any sample fails to meet any test requirement the batch represented by the sample shall be rejected. All batches produced betwe
28、en the time that the last batch was tested and accepted and the batch which failed shall be tested in accordance with the applicable methods given in paragraph 4.6. If any of these batches fail to meet any of the test requirements, that batch shall also be rejected. In addition, after any failure of
29、 a batch the contractor will return to 100% inspection until liiil successive batches are accepted as required by MIL-STD-1235. The classification of defects shall be as given in Table 4. TABLE IV Inspection/Requirement Defect Classification Composition (see 3.2) Volatiles (see 3.2.1) Bulk Density (
30、see 3.2.2) Granulation (see 3.2.3) Insoluble Particles (see 3.2,4) Ma j or Ma j or Maj or Major Ma j or 4.5.2 Inspection equipment, The government reserves the right to inspect the contractors equipment and determine that he has available and utilizes correctly, measuring and test equipment of the r
31、equired accuracy and precision and that the instruments are of the proper type and range to make measurements of the required accuracy. Commercial inspection equipment shall be employed, where applicable for all tests and examin- ations specified. The contractor is responsible for assuring proper ca
32、libration procedures are followed. Government approval of all inspection equipment is required prior to its use for acceptance purposes. 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-* io MIL-H-Ll8358 13 W 777790b 0427588 8 a MIL-H-48358 (AR) 4.6
33、 Test methods and procedures.(see 6.4) The tests in paragraphs 4.6.1 thru 4.6.5 shall be performed, using prescribed analytical procedures for replicate determinations given in standard analytical textbooks. 4.6.1 Bulk Density, The bulk density of the explosive compos- tion shall be determined in ac
34、cordance with Method 201.3 of MIL-STD-650. 4.6.2 Volatiles. The volatiles shall be determined in accordance with method 101.6 of MIL-STD-650. 4.6.3 Composition. 4,6.3.1 HMX Content 4,6.3.1.1 Reagent. Prepare HMX-saturated chloroform, by adding excess HMX to reagent grade chloroform, stirring the res
35、ultant slurry at least two hours at room temperature, The chloroform is stored over the excess HMX and filtered before use, 4.6.3.1.2 Procedure. Place approximately 5 grams of dried sample, weighed to the nearest 0.1 mg, into a 250 ml beaker and add 150 ml of saturated chloroform, Stir for thirty mi
36、nutes. Rinse down the wall of the beaker and stir for fifteen additional minutes. Remove stirrer, washing off any residue with 10 ml of saturated chloroform, Transfer the slurry into a tared medium porosity Gooch crucible which has been connected to a vacuum filtering flask. Carefully rinse any resi
37、due re- maining in the beaker into the crucible, using three 5 ml portions of the saturated solvent. Wash the residue on crucible with three 20 ml portions of saturated chloroform. Remove the crucible from the filtering flask and wash all discernable residue from beneath the frit with saturated chlo
38、roform Dry for one hour in a vacuum oven at 60 i 2OC, then cool in a- desiccator. Weigh the crucible and its contents and calculate the percentage of HMX as follows: c 0 % HMX = 100 (A - B) W Where : A = Weight of crucible and residue, in grams B = Tare weight of crucible, in grams W = Weight of sam
39、ple, in grams This analysis will be runin triplicate. The average of the three determinations will be reported as percent HMX. 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-HIL-H-98358 13 999990b 0427589 T = MIL-H-48358 (AR) 4.6.3.2 Binder Conte
40、nt.- Subtract the value reported as percent HMX from 100 to obtain the percent binder. 4.6.4 Insoluble Particles. The .insoluble particles shall be determined in accordance with method 106.1 of MIL-STD-650, using Acetone as the solvent. shall be determined in accordance with Method 204.1 of the late
41、st revision of MIL-STD-650. 4.6.5 Granulation. - The granulation of the molding powder 5. PREPARATION FOR DELIVERY 5.1 Packing. 5.1.1 Level A.- Packing shall be in accordance with 5.1.2 Level B. - Packing shall be in accordance with Drawing 7548644specified for explosive composition. Drawing 7 5 4 8
42、-s pec i f ied for exp los ive c ompos it ion. 5.2 Markin .- Marking shall be in accordance with Drawings 7548644 and -i8 75 45 as applicable. 6.1 Ordering data. See MIGA-48078 6.2 Submission of inspection equipment designs for approval. See MIL-A-$8078. Commander, US Army Armament Research and Deve
43、lopment Command, ATTN: DRDAR-&A, Dover, New Jersey and VIPER Project Office, US Army Missile Research and Development Command, Redstone Arsenal, Alabama 35809. satisfactory for use in this explosive composition as a binder is Estane 5703 F1, manufactured by B. F. Goodrich Chemical Co. Use of a binde
44、r from another source shall be evaluated in accordance with MIL-P-63196 by the US Army Armament Research and Development Command, DRDAR-QAR-R before being approved as an equivalent. (see 6.2) for use of equivalent test methods. A description of the proposed method should be submitted through the Con
45、tracting Submit equipment designs, as required, to 6.3 Polyurethane Elastomer.- A material that has been found 6.4 Prior approval of the Contracting Officer is required 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-H-LI8358 13 D 99997Ob Oq27
46、570 b MIL-H-48358 (AR) Officer to: Commander, US Army Armament Research and Development Command, ATTN: DRDAR-&A, Dover, New Jersey 07801. This description should include but not be limited to the procedures used, the accuracy and precision of the method, test data to demonstrate the accuracy and pre
47、cision and drawings of any special equipment required. fication is intended to be used for application as an explosive where high energy and good thermal stability are. needed in ammunition items. 6.5 Intended use. The material covered in this speci- 6.6 Colorizer. Heliogen Violet Toner 49-6001 manu
48、factured by General Aniline and Film Corp has been found satisfactory. Use of a colorizer from another source should be evaluated by the US Army Armament Research and Development Command, DRDAR- QAR-R before being approved as an equivalent. 6.7 HTIX - Special Class.- The HMX shall have the following
49、 size distribution. US Standard Nominal Opening Weight, % Sieve Number Microns Passing 50 297 100 120 125 325 44 50 + 0.-15.0 In addition, the particle size distribution of this HMX should conform to the following: Size Interval, Microns Weight % in Interval 0-10 30 maximum 40-70 i7 minimum Over 100 10 minimum comprising a lot should be
