DLA MIL-L-3891B-1974 LUMINESCENT MATERIAL AND EQUIPMENT (NONRADIOACTIVE) [Refer To ASTM E2030 REV A ASTM E2030 ASTM E2030 ASTM E2030 ASTM E2030 REV A ASTM E2030 ASTM E2030 ASTM E20.pdf
《DLA MIL-L-3891B-1974 LUMINESCENT MATERIAL AND EQUIPMENT (NONRADIOACTIVE) [Refer To ASTM E2030 REV A ASTM E2030 ASTM E2030 ASTM E2030 ASTM E2030 REV A ASTM E2030 ASTM E2030 ASTM E20.pdf》由会员分享,可在线阅读,更多相关《DLA MIL-L-3891B-1974 LUMINESCENT MATERIAL AND EQUIPMENT (NONRADIOACTIVE) [Refer To ASTM E2030 REV A ASTM E2030 ASTM E2030 ASTM E2030 ASTM E2030 REV A ASTM E2030 ASTM E2030 ASTM E20.pdf(31页珍藏版)》请在麦多课文档分享上搜索。
1、MILrIARY SP!r.IFICATIOIf LtlCIlUSCENT MATER IAL AND EQUDMEftT (lfOIRADIOACTIVE) MIL-L-3891B 16 December 1974 SUPmBEDING MIL-L-389lA 12 May 1959 Thia specitication ia approved tor use by all DepartMnts and Agenciea ot the DepartlD!nt ot Detenae. 1. SCOPE 1.1 Scope. This specitication covers two types
2、 ot photo-luminescent _teriall tor operational ad.litary uses in various tor1U, shapes, col:rb, ad lizes. 1.2 Claasitication. 1.2.1 Luminescent material. Nonradioactive luminescent material shall be ot tbe t:lloving types, torma, shapes, colors aDd sizes as specitied (see 6.2): Typel: P - Phosphorea
3、cent (aee Table I). , - nuoreacent. Fora: 1 - L1u1d or paste. 2 - Rigid plaatic backed. 3 - Flexible plaat1c backed. 4 - Cloth. 5 - Tape. Shape.: Rectangular abeeta. DiaU. Irregul A11pbat.tc. - Xlle (tor Use in Organic Cclat11l88). - Paper, Kraft, Wnppins. - Dye1n Methods of Inspection, Samling, 81.
4、1 Testing. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Mn.-L-3891B Militarz MIL-STD-105 M-STD-129 - Sampling Procedures and Tables for Inspection by Attributes. - Marking for Shipment and Storage (Copies of specificatIons and standLrds required b
5、y supplIers in connection vi th specitic procure_nt tunctions should be obtained from the procuring activity or directed by the contracting officer.) 2.2 Other publlcatlona. Tbe following dOCWlents form a part ot this 8peciflcatlon to the extent specified herein. Uhless otherwise indicated, tbe lss.
6、 in effect on date of inn tation for bids or request for proposal shall apply . AMERICAlI socmn roR lISTDG AID MATERIALS (AS11f) G 26 - Operating Light- and Water-Exposure Apparatus (Xenon-Arc Type ) tor bpoeure of Kon.etallic Materials. (Applicatlon tor copies shol.ald be addressed to the Aalerican
7、 Society tor “sting and Materials, 1916 Race Street, Philadelphia, PA 19103.) llAlfIOlfAL IOI.CB IBImBT TRAFFIC ASSOCIATIOI, DE., AGEIfl Batloaal MOtor freight ClassIfication. (Application tor copl.s should be addressed to the American Trucking .sociatlO118, Inc., MTIf: fariff Order Section, 1616 P
8、Street, IN, VUh1DgtOll, Ie 20036.) UlIPtIUI CLASSIP1CATIOlf CCMtrrrEB, ACIlfl UD1to freight Clusitication. (ApplIcation tor copies should be addressed to tbe Unif:)l“lll Claesiflcation Cttee, AI1I: farlff Publishing Otticer, RoOll 1l06, 222 South Riverside Plaza, Chicago, IL 60606.) 3. 3.1 Descripti
9、on. 3.1.1 Luminescent material. Luainescent materials covered by this specification are It.1ted to those which e.it light only as a result ot excitation by exposure to an external source of radiant energy. This 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license fr
10、om IHS-,-,-specification does not cover lWliDeace substances which g1ve ott light either apontaneoualy as a result ot radioactivity or cheadcal action, or a reault ot triction, the pasaage ot an electric current or expoaure to cathode r) / Provided by IHSNot for ResaleNo reproduction or networking p
11、ermitted without license from IHS-,-,-MIL-L-3891B 3.12.1.1 Fluorescent luminance. 3.12.1.1.1 Installation. Where the IIIth of 2,700 Angstrom units. A supplementary blower shall bl! used, if necessary, to maintain the samples at an ambient temperature of approximately 49 C (120 F). xenon test procedu
12、res are in ASTM G 26, Type BH. Nonconformance to 3.3, 3.9.1.2 and 3.11.1.2 shall constitute failure of this test. 4.4.3.3 Flammability. 4.4.3.3.1 Flammability test equipment. The test equipment shall consist ot a Bunsen or Tirril gas burner, having a tube of 9.5 IJIIIl (3/8 inch) inside diameter, an
13、d vi th the air supply completely shut off, adJusted to give a lmIinous flame 3.8 Cll (1-1/2 inches) long, enclosed in a sheet-metal st.ieltl )0.5 Cll (12 inches) Vide, 30.5 Cll (12 inches) deep, and 76.2 cm (30 inches) high, open at the top, y 30.5 ca (12 iDcbes) long. A 500 graa wei,ht includinc a
14、 _lIDS ot attaching to the .,18 A 2.04 Ire (4.5 pound) Iteel-cored rubber-taced roller. Tbe rubber facins 11all bave a lbore hardnela ot 70 to 80. A ti_r. Scale (.tric). Suple cutting equipMnt. Glaal elellDing solvent lhall be ot equal volwaes ot aliphatic naptba contorail18 to rl-1-95, 17Pe I and x
15、ylene contOl“lling to 1“1-X-916, Grade A. .“.3.1.2 Cle_ins the 81 It 1s extremely 11lPOrtant that dur1ng the entire cleaning process aDd the teat that the lurtaces of the glaae plate and the adhes1ve on the MIPlea are not toucbed by the tingers. 4.4. 3.7. 3 Adbeli ve est roeedure Six samples, 2.54 b
16、y 22.9 Clll (1 by 9 inches lhall be used tor this test. The protective backing sball be reDlOved and one end ot the sample placed near one end ot the glUs plate and off to one side 10 that tvo samples may be used on one glasl plate. The samples shall be catefull.y IIlOWlted OIl the glass plate so th
17、at there are no air bubbles. The last 13 am (1/2 inch) shall be turned back on itself to provide a double thickness tor attaching the 17 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-weights. The samples shall then be rolled three times in each dir
18、ection at a rate of 2.5 COl (1 inch) per second using the “eight of the roller only. The roller is rubber over a steel core with on overall diameter of 8.25 cm (3.25 inches), width of 6.35 cm (2.5 inches) anJ weighs 2.043 kgm (4.5 pounds). The rubber shall have a sllore harJness :Jt 70-80. Each plat
19、e shall hen be turnej over (wIth the samples on the blttom) and supported above the working surface at each end. The elevation of the glass plate shall be such that the weIght viII clear the worKing surface during the entire teat. Place a metric rale on top of the glass plate with the zero end 7 or
20、9 cm from the folded end. Attach the weIght to the fold of the sample and ti the peeling process from thP. zero marK on the scale to the 10 em rk. Nonconformance to 3.9.1.4 shall con.t1tute failure of this test. 4.4.3.8 A painte1 steel ndrel, 2.5- cm (J inch In diameter, shall be conditioned to 10 C
21、 + 1 C (50 + 2 F) together with specimens of the tape or cloth 10.2 cm (4 inches) vide and 20.3 cm (8 inches) long. After conditioning, the specimens shall be wrapped around the mandrel at a rate of approximately 30 degrees (1/2 rbdian) per second, care being exercise to maintain temperature euillbr
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