1、IMIL-D-3716BINTERIM AMENDMENT l(uSAF)14 MARCH 1988MILITARY SPECIFICATIONDF9ICCANTS,ACTIVATED FOR DYNAMICD2RUMIDIFICATIONhis interim amendment is approved for use within the Department of theAir Force, with MIL-D-3716B dated 28 September 1987.PAGE 11.2, delete and substitute:“1.2 Classlfioation. Desi
2、ccants shall be provided in the followingtypes, grades, and olasses ag speclfled (see 6.2.1):Type I - Large partiole size.Grade H - Nigh adsorption capaoity.Class 1 - non-spherical particles.Class 2 - spherical particles.Grade 14- Medium adsorption capaoity.Grade L - Low adsorption capacity.Type II
3、 Medium ptitiole size.Grade E - High adsorption capaoity.Grade M - Medium Adaorptlon capac!lty.Type IV - Medium partiole gize impregnated with a humidityindicator.Grade A - Bxtra-high adsorption capacityGrade H - H. adsorption capacity.”AMSC N/ADISTRIBUTION STAT2142NTAlof4FSC 6850Appreved for publl
4、c.relea9e; distribution unlimited,-.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-IIIMIL-D-3716B Irit ?:;30,0 2%.0 i8.28011.733.0 33.d 19.2 15.0PA(JE5Table 111, delete IIIV,gradeEm and *ubSti adea k and Hn3.9, delete and substitute:*3.9 C.xrosivene
5、se. Corrosiveness aiiaii66 In aooordanoe with 3.9.1 fmd3.9.2. ”Add the following paragraphs:113.9.1 TYPes I and 11. Whentypes I and 11 ara tested as speoified inU.7.6, the tast apeoimeng of eteei, bra.i!s,niagieix and aluminum inoontaot with the desiooant ahalI not b“enierecor+oded. than thebaremeta
6、l.sProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-.:. .MIL-D-3716B Interim Amendmant 1 (USAY)I 3.9.2 WP e IV, grade A. When type IV, grade A is tested aa speolfied in4.7.6, test specimens of aluminun anodized per MIL-A-8625, in contactwith the desic
7、cant shall show no evidence of corrosion:”“3.9A Particle Shape, Type I, grade E, olass 2. Type 1, grade H, class2 shall be in the form of spherical beads with a gmooth surface having anaverage diameter of O.138 to O.141 of an inch.”PAGE 94.7.4.2, delete and substitute:t?4.7.4.2 Procedure. Thoroughly
8、 mix all material retained on the no. 18and coarser .sieveain aoaordanoa with RR-s-366, as specified in 4.7.3.2.Weigh a sample ta approximately 50 gmma. Place the sample on the no. 18sieve together with five copper disks (of the size and weight of 1-oentpieoes ), backing the sieve with a no. 30 siev
9、e and retaining pan. Shaketbe sample in the apparatus for 15 minutes. Iinmediatelyfollowingconclusion of the speoi-fiedshaker operation time, report the percentageof the desiccant passing through the no. 30 sieve wbioh is determined byacourate weighing to within O.2 gram. Use the 9151of the individu
10、allyretained weights as the total weight of the sample.”.7.4.2. 1 delete in its entirety.P+iGE104.7.6, delete*Corrosiveness type 1, grades H, M, and L; type II, grades H and M.and substitutet,fJorro=iveness .4.7.7, deleteI in accordance with MS16188”I and substitute“in Table VII for gradeA, or MSl61
11、88 for grade H.”PAGE 115.1, deletewith MS16188”and substitute“with Table VII for grade A, -x with MS16188 for grade H.”I 3 . “G: ;.=.-.,.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-6.5, delete andMIL-D-37 16Bcubstitute:Interim Amendment!PAGE 13”1
12、USAF)“6.5 Color Stendard. Information oonaerning the desired oolors for TYPEIV are given in 6.5.1 and 6.5.2.18Add” the following paragraph and table:16.5.1HP e IV, Grade H. The colors given on MS16188 pogsibly may befound to have faded subsequent to printing. Additional informationoonoerning the d
13、esired colors is given in table VI wherin the oolors arefurther identified by numbers from the Munsell -ok of Color, publiehedby the Muneell Color Company Inoorportled, Baltimore MD.n116.5.2TYPe IV, (Wade A. Table VII gives the colors that ehould beolearly identified at the specified humidities for
14、Type IV, Grade Amaterial.TABLE VIIApproximate MunsellRelative Humidity Color Color Ratings0,- 1$ Dark Blue or Dark sGu.2/4Bluish (3raen2$ Green - Yellow Y5.6/64$ Pale Yellow 10YR7.7/11Preparing aotivity:Air Foroe 68(ProjeOt 6850-F842)IProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
