1、MIL-P-23625 13 m 7977706 0303572 4 m - 46 nie matefiai containe in6ition af- fecting the mtlonsl defeme of the United 8tatee within the maning of the eepionage lawe, title 18, u. 8. C., Bec8 793 end 794, the traneuneeion or revelation of which in OS 12671B any auenner to an unauthorized pereon le pr
2、o- hlblted by law.“ MIL-P-23625 ( Wep) 27 March 1963 SUPERSEDING 9 November 1962 691)-236-2iCO IK):!i D. C. Orders for the above publica- tions,.shoald* cite -49.CFR 11-78” with the latest editions and supplements thereto.) 3. REQUIREEIENTS . - The PBXB-4 is a plastic bonded 3.1 explos ive consismof
3、 1,3-diamino-2,4,6- trinitro- benzene (DATB) with 6% of polyamide. on the DATB particles to acg as a binder. The polyamide is coated 3 2 re-. 3.201 re - Conflicting re- quirements arisen thmat ion and any s ecifications, publications, or drawings listed herein appointed agent for interpretation, cla
4、rification and resolution. s R all be referred in writing to the procuring agency or 3.3.1.1 m; - The DATB used in the manufacture of PBXN-4 shall bave a minimum purity of determined in accordance with the provisions of 4.5.1. by weight, as 3,3.1,2 . - The melting point shall not be less than 2ompar
5、ison sample supplied by NOL, The melting range shall not exceed 2OC from the first appear- ande of liquid until final liquification, shall be in accordance with the provisions of 4.5.2. Test procedure 2 -= Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-
6、,-,-MIL-P-23625 13 7777706 030357q hIL-P-2362 ii (we) - The maximum rate of gas 3.3.1.3 Va a evolution shall bU“ltm!lk:your per gram average of DATB over a 24 hour period at 200OC as determined in accordance with the provisions of 4m5e3e bulk density of 0,24 grams-per milliliter as determined in acc
7、ordance with the provisions of 4m5m4. 3.3.1e4 Bulk densitv, - The DATB shall have a minimum 3.3.2 Polvamide (Nylon) 3.3.2.1 Ny1 on - The nylon used in the manufac- ture of the PBXIG-4 as manufactured by E. I, du Pont de Nemours be Zytel 63, a modified 6,6 nylon, 3.33 n, - The PBXN-4 shall be compose
8、d 3.3.3.1 ComDosltlo of 94.0 A 0.5% DATB and 6.0 2 0.5% polyamide as determined in accordance with the provisions of 4.5.1. in accordance wishlk%isions of 4.5,5, shall have a minimum density of 1.70 grams per cubic centimeter. 3.3.3.3 Moisture content. - The moisture content of the PBXN-4 shall not
9、exceed 0.25 percent, b weight, as determined in accordance with the requirements of 4ag.6. minimum bulk density of 0.30 grams per milliliter as determined in accordance with the provisions of 4.5.4. 3.3.4 Wor a - The p-4 including all material entering -manufacture, shall be formulated and processed
10、 in a manner to assure compliance with all requirements of this specification. Particular attention shall be paid to neatness and thoroughness of processing vention pf for i n matter from entering the process at all stages o1 manu $5 a ture. (se 6.3) shall-e l processing step (lbs) 4 o . -i Provided
11、 by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-23625 (Wep) S li . - Fift gram samples of Y 4A2.2 PBXN -4 selected at random priorto closure on the following basis: sha 1 1 be removed?om%d ivi dua shipping conta i ne rs N =J6 Where: N- Number of 50 gm
12、sam les required per inspection lot P If a fractional number to the next highest whole number) b= Number of shipping containers in the inspection lot 4*3 “C e test. . - The following items of test equipment %. ! . .- II . . . . . . . . . . . . . -.-. . -. d . . - . - . 4.5.3.4 tioa, - All calculatio
13、ns are corrected to STP. calculated by the formula: The volume of gas evolved per gram of specimen is . . . 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-23625 13 M 7777706 0303577 8 z r O N o, I. .:.*. , . . . . . . . . . . . . “. . t:.-,?
14、n“:.x: I. . *-. . - -1-. -.- -.- . . I: . L: . - . . -.- r. . . . . . . “ . #. . . a -II . . . - . . . . I-. -.- . . - -.-.- “ . . . -. . . . . _I- ,. . I.- I . . I. . c . L - .-. , -.- . . . . -.-. . “ - . “ - ?. k . . . . . . . . . . “ I . . . . . - . - .I . . “. . . . .- ._I. I F .-. C . . . . .
15、. I_- . I- t“. . . . . . . . c . ,.- . . . . - . . “ -“ *- - ;: . i. . . . -. .“ . - - .I . . k- . . -.- I:. . . . . . . . . - ,. . . . . . . . . . o-. :y (- .- ) :;:;y.; Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_r ,i I FIGURE 2 9 Provided by
16、IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-fl1-P-Z3b25 13 9 7777906 0303601 I m MIL-P-23625 ( WOP) Where: V = ml gas/gram specimen,/24 hours 200% x = Volume of hot zone (mi) y = Conversion factor = 0.000759, = 273 473 x 760 z w = Specimen weight in grams fr
17、om each of the DATB samples specified in 4.2.2.1, he volume of as evolved per gram of specimen shall meet the requirements of 5.3 . 1.3 , Corrected reading in mm as described above in 4,5,3.3 This test shall be performed on one s ecimen 4.5.4 Bude * . - The bulk density shall be per- formed on one s
18、pecimen =each of the samples specified in 4.2.2.1 and 4.2.2.2 in accordance with the following procedur: 4.5.4.1 (a) Small ring stand with small ring clamp. - (b) the conical portion being 4-1/8 inches inside diameter at the top, and 2-3/4 inches over-all height, the funnel shall be 2 inches high an
19、d 9/16 inch inside diameter, Approximately midway along the length of the stem there shall be inserted a sheath for a sliding metal bar, as shown on Figure 3, on the ring and act as a trap by means of which the sample shall be released into the standard vessel, 1-1/8 inches and the sheath shall have
20、 holes to fit the stem, and shall be of such size that it holds the bar with sufficient clearance for sliding, similar to that -shown in Figure 3 .or, instead thereof, a cylindrical vessel of glass or aluminum having a flat rim, straight sides and a concave inside surface at the bottom to prevent br
21、idging of the sample over sharp corners and a volume of approximately I00 mls; inside diameter approximately 1.75 inches; inside height approximately 3,OO inches; maximum weight approximately 41.0 grams. Sheet metal funnel 1/32 inch in thickness, The attached stem of The sheath and bar serve as a su
22、pport for the funnel The bar shall be 2 by (c) 2Bandaxdu_essel, - A standard vessel 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-23625 13 W 777770b 0303602 3 rio MlL-P-Z3425(Wep) - U/8“ LD.- . 13- -7 Il /I Il /- I y L _ _ I- 2 “ 242“ II A
23、PPARATUS FOR IP,TEWMINfNCr BULX DENSI?Y OF MN-4 EXPLOSIVE FIGURE Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-23625 (WSP) (d) Spatula. (e) Analytical balance. 4.5.4.2 Procedure, 4.5.4.2,l rd ved, - The standard vessel shall be filled with wa
24、ter at room temperature, until a convex meniscus is formed over the top of the glass. A small flat piece of glass shall then be pressed down over the top, forcing out the excess water, seen beneath the surface of the glass. the glass and cover shall then be dried carefully and the entire assembly we
25、ighed. to 2 decimal places. and calculations made as follows: No air bubbles shall be Weight shall be recorded in grams The dried glass and cover shall be weighed The exterior parts of where: A = weight of standard vessel, cover and water B = weight of standard vessel and cover W = weight of water 4
26、.5,4.2,2 approximately 8OoC for 1/2 hour and cooled to room temperature in a desiccator. shall then be spread on a piece of paper and carefully blended to insure a fair distribution of large and small crystals. The funnel shall be so placed on the ring (clamped to the ring stand) that the bottom of
27、the stem shall be 2-112 inches above the top of the standard vessel. standard vessel shall be set on the base of the stand under the center of the funnel. measured by allowing the PBXN-4 to fall loosely through the funnel into a graduate cylinder, shall be transferred to the funnel, then the trap re
28、leased so that there is a free fall of the crystals into the standard vessel. off with a spatula from the center of the standard vessel to the sides (sides of spatula perpendicular to the surface of the vessel) first to one edge of the rim and then from the center to the other edge of the rim, balan
29、ce, The bulk density shall be calculated as follows: Da. -.The sample shall be dried at It The Approximately 130 ml of PBXN-4 It shall be leveled Weigh on analytical 12 I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-23625 13 7779906 0303604
30、7 D=A-B W where: A = weight of sample plus standard vessel B = weight of empty standard vessel W = weight of water D = density 4.5.5 Pressabilitv. - A hydraulic press is used to compress the specimen in a die having a 0.500 +_ .O02 inch diameter cylindrical cavity. The die shall be so designed to al
31、low heating and evacuation prior to application of full ram pressure. heated and allowed to reach equilibrium at 12OOC + SOC - OOC. The mold plug is lowered to the surface of the sample in the mold, and the mold is evacuated to 10 mm of Hg pressure. ram pressure of 20,000-25,000 psi is then applied
32、and allowed to dwell for 15-30 minutes before ejection. cylindrical pellet shall have a length of 1.000 rt .2 inch. A thin coat of fast dryin varnish not exceeding 5 mils shall be applied and allowed to fry made by the submersion method (ASTM Method B 311-58). Pellet density of PBXN-4 obtained by th
33、is method shall meet the requirements of 3.3.3.2. The pressability test shall be per- formed on one specimen from each of the samples specified in 4.2.2.2. meet the requirements of 3.3.3.2. 4.5.6 Moisture content. - Five gram specimens of PEN-4 shall be placed in tared porcelain crucibles and placed
34、 in an oven at 150OF. stant weight is obtained. The crucibles shall be removed, placed in a desiccator until cool, and weighed. The moisture content thus obtained by difference, shall be reported on a percentage basis. on one specimen from each of the PBXN-4 samples specified in 4.2.2.2. requirement
35、s of 3.3.3.3. to meet the applicable requirement specified herein shall cause rejection of the lot. 4.5.5.1 Procedure. - The mold and sample shall be pre- Full The resulting Density determinations shall be The pressability of each specimen of PENN-4 shall The samples shall be heated until con- The m
36、oisture content test shall be performe The moisture content of each specimen shall meet the 4.5.7 Acceptance criteria. - Failure of any specimen 5. PREPARATION FOR DELIVERY 5.1 PackaeiLng, p ackiny and marking. 5.1.1 Level A. 13 Provided by IHSNot for ResaleNo reproduction or networking permitted wi
37、thout license from IHS-,-,-MIL-P-2362 5 ( WOP) 5.1.1,l The PBXN-4 shall be. packaged 50 pounds per 1 fiberboard “container, The packaging packing and marking shall I be in accordance with specification 23F65 which is a part of Code of Federal Regulations 49 CER 71-78, 6. NOTES 6,l Intended Use. - Th
38、e PBXN-4 is intended for 6.2 special explosive applications. Ordering data. - Procurement documepts should specify the specific title, number anddate of this specification and exceptions to this specification, applicable drawings and ot he,r documents . 4.3 General safety precautions. - The formulat
39、ion and processingLo the material covered by this specification and the ingredients entering into the process require suitable explosives safety precautions. not be construed as to relieve the contractor or manufacturer o responsibility for the safety of his operations. Listed below are certain mini
40、mum provisions which a contractor or manufacturer should observe in order to fulfill his responsibility for safety. At the Bureau of Navai Weapons, Navy Department, and other Govern- ment plants, these provisions are mandatory. Such other warnings and precautions. pertinent to the owrational effecti
41、veness or Use of this specification shall safely durin pkocessing of the spekified material, are included in the detail 3 technical requirements of the specification. 6.3.1 formed in a neat and orderly manner. 6.3.2 for transporting and handling explosives and the ingredients used therein. Where req
42、uired, remote control barricaded handling equipment shall be used for explosives operations such as mixing, pouring, weighing, charging, sifting, drying, etc. parts should be so controlled as to minimize the absorption of moisture from the atmosphere or other sources. All formulation and processing
43、shall be per- Safe equipment and methods should be utilized 6.3.3 The exposure of explosive materials and related 6.3.4 All explosive and completely or partially proc- essed explcsive should be stored in suitable storage magazines located in accordance with the American Table of Distances (ATD) or o
44、ther applicable safety standards; and; while in process, in safety lockers and chests if in loa9ing rooms, or in adequate ready or service magazines Zocr,ted in accordance with intraplant distances when outside of loaded rooms. For Navy managed explo- sives loading plants, the provisions of the Phme
45、dl Services Explosive Safety Board covering quantity-distance relations for explosives will aDply. 14 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-23625 13 m 7777906 0303bOb O m IL-F-23623(Wp) 6.305 . Proper carms at all times to rotect pers
46、onnel from accident , fires or explosions and to fimit dama e t.0 equipment and pGSm In this con- should be observed: Employ properly pro ortioned and properly located protective ba ricades, screens or s ields at all reguired points. Keep only minimum limited quantities of explosives and partially p
47、rocessed explosives present at each stage of opera- tion. nection t fl e -precautionary measures in the following paragraphs R 6e3e5e1 4,3e5e2 6m3e5e3 Keep explosive materials in approved covered re- ceptacles with covers in place when material is-not being taken out of or put into the receptacles.
48、When necessary, receptacles should be conductive to ground electrostatic charges. , 6.3.5.4 protect operations from electrostatic charges by effectively grounding all machinery, equipment, and fixtures; and, where necessary employ suitable ground conductive cover- ings for floors, work benches and tables, and workers conduc- tive shoes. such as silk and nylon, which promote static generation should be avoided. Where necessary for safety, humidity (see 6.3.3) of work rooms should be i
