1、r-I - MIL-P-13822 23 = 9777706 027573Li O W MIEP-13822 (ord) MILITXY SPECIFICATI N POLYISOEGTYLl3U/0L GEL 1, SCOPE 1.1 This specification covers polyisobutylene/oil gel intencied For UBB as a component of Military dynamite. 2.1 The following specifications ana stanaards, of the issue in effect on da
2、te of invitation for bids, form a part of this specification: SPEC IFICATI ONS MIL-IP2104 - Lubricating Oil, Iaterral-CciaiDbustion Engine, ML-2550 - General Specification For Animmition wept MIL-P-13298 - Polyisobutylene Heavy Duty. Small Arms Ammiunition. STKD. %.e. We percentage of polyisobutylen
3、e and inorganic insoluble mtbr (determined a8 specified in 4.5) shall be subtracted from 100 percent. and the 4.5 Determination of inorganic insoluble mtter.-lin accurately weighed portion of approxiixitely 10 gn of the sample shall be transferred to a 600- ml beaker and 300 m of benzene shall be ad
4、ded. The beaker and contents shall be placed on Q steam bath. The sample shall De heated until it is completely dissolved, tared medium porosity porcelain crucible, which has been previously ignited to 6OO0C. portion to the crucible. 30 ml of benzene. zene is no longer detectable. furnace at 600C fo
5、r 1 hour. and cooled to room temperature and weighed; insoluble matter shall be calculated as follows: The benzene solution shall be filtered through a Care must be taken to insure complete transfer of the undissolved The crucible and contents shall be washed with The crucible shall be aspirated unt
6、il the odor of ben- The crucible shall than be placed in a rnuffle The crucible shall be removed from the furnace The percentage of inorganic . Inorganio insoluble matter, percent = (A-B) 1UU ._ where : A e Weight of cruoible and residue. B I Weight of empty orucible. W I) YYeikht of the sample. Pro
7、vided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1 MIL-P-13822 13 999790h 0295737 h IfIfrp.;L;j822 (m) 4.5 petermination or acidity (as sulfuric acid) .-An accurately weighed portion of approximately 5 gm of the sample shall be transferred to a 400- mi b
8、eaker. and contents heated on a steam bath, with occasional stirring, until the sample appears to be cw.pletely dissolved. Seventy-five milliliters of al- cohol, whioh has been.previously.nuralzed with 0.1N sodium hydroxide using 0.5 ml of phenolphthalein as the indicator, shall be added to the solu
9、tion with constant stirring, then 75 ml of distilled mater shall be adaed. The resulting mixture shall be titrated, using 0.1N sodium hydroxide solution, to a light pink end point. Seventyfive milliliters of toluene shall be adaed and the beaker The percentage of aciaity shall be calculated as follo
10、wsf Percentage of acidity (a6 sulfuric acid) 4.9 u W - where: A = ml of sodium hydroxide used in the titration. N c Normality of the soaium hyaroxide solution. Ti : Weight of sample. 4.7 Resubmission and retest.-If $he sanple subjected to test, fails to pass the test, the lot shall be rejected subje
11、ct to reworking and resumssion. The lot shall be considered acceptable providea that a new sample selected in accordance With 4.2 passes all the tests required by this specification. 5, PRWARATION FOB I)kLIvr;RY 5.1 cking.Folyisobutylene/oil gel shall be packed in removaale head steel containers con
12、forming to interstate Cornerce Commission Specifications 6A or 6.B stipulted in the Code of Federal Regulations 49 ClR 71-78. or purchase order, shipments shall be marked in accordance with Standard MIL- - 5.2 aIlarking.-In addition to any special marking required by the contract S129. 6.1 Ordering
13、data.-Procurement documents should specify the title, number, arid date of this specification. Notice.-lAf%en Government drawings, specifications, or other data are used for any purpose other than in connection with a definitely related Government procurement operation, the nite States Government th
14、ere by inours no respon- sibility nor any obligation whatsoever; and the fact that the Government may have forimlated, furnishea, or in any way supplied the said drawings, spec- ifications, or other dcta is not to be regarded by inplication or otherwise as in a;iy manner licensing the holder or any
15、other person or corporation, or conveying any rights or permission to manufacture, use, or sell any patented invention that my in any way be related thereto. Custoaian: Army-Oranance Corps 4 GPO 885434 - . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
