1、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-for High Explosives (Copies of standards, specifications, drawings and publications required by contractors in connection with specific procurement functions should be obtained from the procuring activi
2、ty or as directed by the Contracting Officer). 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. 2.2 Other publications.-The following document forms a part AMERICAN SOCIETY FOR TE
3、STING AND MATRIALS ASTM Designation: E300-70 Recommended Practice for Sampling Inclustrial Chemicals (Application for copies of ASTM Standards should be addressed to the American Society for Testing and Materials, 1916 Hace Street, Philadelphia 3, Pennsylvania, 19103) . 3, REQUIREMENTS 3.1 Material.
4、-The material shall be HPIX (complying with The composition Grade II, Class B, of MIL-H-45444A) uniformily coated with a plastic binder (see 6.4) and shall be in the form of free flowing granular particles without visual signs of agglomeration. shall be made by coating the HMX with plstic binder by
5、the wet slurry method (see 6.5). 3.2 specified in Table I, when determined as specified in applicable paragraphs of 4.4,1, Composition.-The composition of the PRHMX shall be as TABLE I CONSTITUENT PERCENT BY WEIGHT APPLICABLE PARAGRAPH Plastic Binder 5.0 2 1.0 HMX 95.0 5 1.0 2 4.4.1.1 4.4.1.2 Provid
6、ed by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.4 Moisture.-The moisture content o he PBHMX shall be O, 10 percent, maximum, when determined as 3.5 manner that will produce the high quality material necessary to meet the requirements of this specificatio
7、n. shall be free cified in 4.4 Workmanship,-The material shall be processed in a The material dirt, chips, and other foreign matter. 3.6 provisions for first article testfng. article quantity by the contractor shall be as specified in the contract . First article testing,-This specification makes Su
8、bmission of first 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection.-Unies specified in the conbract or pupchase order, the supplier Is responsible for the perfo ance all inspection requirements as specified herein. Exc t as otherqise specific contract or .order, the supplier may use
9、 h9s own or facilities suitable for the performance of th? ins requirements specified herein, unless lsapproved by the- Governrnen.t;, of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requ-irements. Il
10、eference shall be made to Standard MIL-STD-109 in order to define the terms used herein. The Government reserves the right to perform any ts 4.1.1 Submission of product lot of product is submitted to th the contractor shall supply the f by a certificate which attests that the information prov correc
11、t and applicable to the product being submitted: . A statement that the lot complies with all r and quality assurance provisions specified in this specificatlo Specification number and date, together with an identification and date of changes. Certificates of analysis on all material use by the cont
12、ractor when such material is controlled specifications, shall be made available contractbng officer-. accept ance inPormatfon accompani a. b, c. d. e. Date submitted. Quantity of product in the lot. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL
13、-P- 5 O 8 5 4 (MU I The certificate shall be signed by a responsible agent of the certifvina orqanization. The initial certificate submitted shall - be substantiated by evidence of the agents authority to hind his principal. be required with subsequent certificates unless, uring the course of the co
14、ntract, this authority is vested in another agent of the certifying organization. Substantiation of the agents authority will not 4.2 First Article Inspection 4 2.1 Submission.-The contractor shall suhit a first article sample consisting of 100 grams of PBHMX each from a minimum of two or three batc
15、hes in accordance with instructions issued by the Contracting Officer or evaluation in accordance with paragraph 4.2,2. contractor using the same production processes, procedures, and equipment as will be used in fulfilling the contract. including packaging and packing, shall be ohtaincd from the sa
16、me sources of supply as will be used in regular production. shall be accompanied by certificates of analysis. A first article quantity, shall also be subrriittacl whenever there is a lapse in production for a period in excess of 90 days, or whenever a change occurs in manufacturing process, material
17、 used, drawing, .specification or source of supply as to significantly affect product uniforrnity as determined by the Government . Prior to submission, tho contractor shall inspect the sample to the degree necessary to assure that it conforms All samples submitted shall have been produced by the Al
18、l materials, The sample inspection with the sarnple. will not be submitted unless specifically aiitliorize by the A sample containing known defects 4.2.2 Inspections to be performed.-The sample will be subjected by the Government to any or all of the examinations or tests smciiied in 4.3 and 4.4 of
19、this snecification and any or all requirements of the applicable drawings. 4.2.3 Rejection.-If any sample fails to conply with any of the applicable requirements, the first article quantity shall be rejected. The Government reserves the right to terminate its inspection upon any failure o a sample t
20、o comply with any of the stated requirements. i 4,3 Inspection Provisions -% d i 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot fo
21、r ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-50854 (MU) 4.4.1.1 Plastic binder, Major defect, Defect Code No. I Transfer an accuratelv weighed Dartion of aDDroximat
22、elY 1 gram of the sample ,to a tared medium porosity fritted glass crucible. the contents of thg crucible with 4,25 ml portions of toluene I saturated with HMX, Stir the contents of the crucible after Extract contact with the sampie for 3 minutes before applying suction. Aspirate the crucible and co
23、ntents until the odor of toluene is no longer perceptible, dry in an oven maintained at looo t 5OC for 1 hour, cool in a desiccator and weigh. Calculate the loss I in tursieht: nf +.he r-riin-lhlp nnfi c.nntent-,s t;o nepcentage Dlastic . I binder -as follows: r Percent Plastic Binder = 100 A B Wher
24、e: A = loss in weight, in g B = weight of sample on dry basis, in g 4.4.1.2 HMX content, Major defect, Defect Code No. 05001.-The percent of HMX in the sample shall be calculated by subtracting from 109 the percent plastic binder obtained as specified in 4.4.1.1. bulk density of the compound shall b
25、e determined in accordance with Method 201.3 of Standard MIL-STD-650. moisture shall be determined in accordance with Standard MIL-STD-650, Method 101.4, using methanol as the special solvent. 4.4.4 Granulation (see 6.7).-For informational purposes only, the granulation of the PBHMX shall be determi
26、ned in accordance with Method 204,l of the latest revision of Standard MIL-STD-650 using U, S. Standard Sieves No. 20,60, 80 and 100 4.4.2 Bulk density, Major defect, Defect Code No, 06001,-The 4.4.3 Moisture, Major defect, Defect Code No. 0700l,-The 5. PREPARATION FOR DELIVERY I 5 . 1 Packaging I c
27、; 1 1 T.PVP A_-The PRHMX shall be Dackaaed in accordance with _- 5.1.2 Level 13 and C.-The PBHMX shall be packaged in accordance with Drawing 7548645, I 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-5.2 Packing MIL-P-50854 (MU) 5.2.1 Level A.-Pac
28、king shall be in accordance with 5.2.2 Level B and C.-Packing shall be in accordance with 5.3 Marking.-Marking shall be i . paragraph 5 . 1 . 1 . paragraph 5 . 1 . 2, 7548644 or Drawing 7548645 as applicable. ce with Dra 6. NOTES 6.1 Ordering data.-Procurement documents shoud specify the following:
29、a. Title, number and date of this ci b. Description sheets shall be prep 1. Provisions for submission of first article samples, assigned to the inspection herein are to facilita future data col1ect;ion ancl analysis by the Government. Ln accordance with Standard MIL-STD-1171. 6.2 Inspection code num
30、bers.-The five diglt code numbers 6.3 Intended use.-The plastic tknde HMX (PBHMX) covered I) in this specification is intended to be pelletized for use as . the main charge of the XM41 Grenacie, 6.4 A plastic binder which has bee found satisfactory in this cornnosition is EXON 461, a proprietar prod
31、uct manufactured by Firestow,Plastics Company, Pottstown, Pennsylvania . The material is a fluorin& containing polymer which has t following typical resin physical properties: Speaif ic Gravity Farm (1% in cyclohexanone) Solubility Ketones, ethers, esters, aromatic and chlorinated hydrocarbons Relat
32、ive Viscosity le SO 6.5 Process.-The fallowlng wet slurry method ha found satisfactory. EXON 461 lacquer (in acetone) at a 25OC is added to a hot water slurry of HMX at approximately 70C, mixed, cooled, filtered and dried. The eomposition hould not be manufactured by blending or mixing EXON 461 and
33、HMX state. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-50854 (MU) 6.6 The tables of random numbers in MIL-HDRK-53 (Handbook 53 “Guide for Sampling Inspectionff and ICC “Table of 105,000 Random Decimal Digits have been found suitable. on eac
34、h batch of PBHMX produced in order to obtain additional information on the particle size of the PDHMX composition. Results of the informational testing shall be submitted to Picatinny Arsenal, ATTN: SMUPA-&A-A-P, Dover, N.J, 07801, 6.7 Granulation.-Granulation testing shall be performed CUSTODIAN: PREPARING ACTIVITY: ARMY-MU Project Number: 1376-A-O63 -, W.S. GOVERNMENT PRINTING OFFICE: 1971-714-161/3814 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
