1、1. 1.1 Chlor i de 2. 2.1 MIL-P-20307A (PA! May 1965 SUPERSEDING MIL-P-20307 21 November 1951 MILITARY SPECIFICATION POLWZNYL CHLORIDE (FOR USE IN PYROTECHNICS) SCOPE This specification covers one graae of Polyvinyl intended for use in ppo-technic items. APPLICABLE DOCUMENTS . The following documents
2、 of the issue in effect on date of Invitation for bids, or request for proposal form a parb of this specification to the extent specified herein. SPECIFICATIONS FEDERAL -S-48 - Sacks, Shipping, Paper. RR-,50366 - Sieves, Standard for Testing Purposes. PPP-D-723 - Drums, Fiber. PPP-D-729 - Drums, Met
3、al, 55 Gallon (for shipment oi noncorrosive material). MILITARY MIL-A-2550 MII+-P-llL - Ammunition and Special Weapons; Gene - Packaging and Packing for-Overseas S Specification for. Drums, Plywood (for drums whose welgh contents does not exceed 200 pounds). STANDARDS MILITARY MIL-STD-105 - Sampling
4、 Procedures and Tables for Inspection by Attributes (ABC-STD-105). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PLZOROiA (MU) Quality Assurance Terms and Def initions. Marking for Shipment and Storage. Explosives: Sampling, Inspection and Test
5、ing. Pyrotechnics: Sampling, Inspection and qestng. MIL-STD-109 - MIL-STD-129 - MIL-STD-650 - MIL-STD-1234 0 (Copies of specifications, standards, drawings and pdblications required by suppliers in connection with specific procurement. functions should be obtained from the Procuring activity or as d
6、irected by the contracting officer) . 2.2 Th8 foliowing docmerits form a part of is specificateon i;= the extent specified herein. Unlesa otherwise indicated, the isaue in effecf; on ate of Invitation for bids shall apply. 1 Uniforn; Freight. Classification Rules (Application for copies of these fre
7、ight classification rules should be addressed to the Consolidated Classlficatfon Committee., 202 Chicago Union Station, Chicago 6, Illinois). American Pucking Aasociation Publication National Motor Freight Classification Rules ana Cnta Speclfications. (Application for copies shoul be addressed to th
8、e Americgn Truaking Aseoclation, 1424 16th Street;, N.W., Washington, D.C.) . 3. REQUIREp1ENTS 3.1 The requirements for Polyvinyl Chloride shall be as specified In Table I when determined as specified in paragraphs of section 4.4. - TABLE I Tests Requirements Color White Losa In wei ht at 135 degree
9、s (C. 7 0.5 percent (max.) 2 the applicable 4,4,2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-P-20307A 13 9797706 0300633 T I MIL-P-20307A Tests Requirements Appl icabl e Paragraphs Ash 0.1 percent (max.) 4.4.3 Chlor he 55.7 to 57.7 percent
10、4.4.4 Specific viscosity O. SO Do 0.70 centlpolses 4.4.5 Bulk density 0.40 t 0.60 grams per ml. 4*4X Granulation.-The granulation of Polyvinyl Chloride shall be 95 percent, min. through United States Standard sieve number 1OOarx 30 percent max. through United States Standard sieve number 325 when de
11、termined as specified in 4.4,7. Workmanship; -The standard of worbanship shall be such as to insure the production of material meeting the requirements of this spec-lf ication. 3.2 3.3 4. QUALITY ASSURANCE PROVISIONS 4.1 General quality assurance provisions.-Unless otherwise specified in the contrac
12、t or purchase order, the ,$upplier is responsible for the performance of all inspection requirements specified herein. Except as otherwise specified, the supplier m utilize his own facilities or any qommercial laboratory accept23- to the Government. The Government reserves the right to perform any o
13、f the inspections set forth in the specification where such Inspections are deemed necessary to assure supplies and servi conform to prescribed requirements. Reference shall be made Standard MIL-STD-109 in order to define terms used herein. T provisions of Specification MIL-A-2550 shall apply. 4.1.1
14、 Submission of product.-At the time the comple+,ed 1.3 of product is submitted to the Government for acceptance the contractor shall supply the following information accompanied t: a certificate which attests.that the information provided is correct and applicable to the product being submitted: a.
15、A statement that the lot complies with all quali.ty assurave provisions specified within this specification. b. Number of units of product inspected. c. Results obtained, by defect code, for all inspectkr, performed. d. Specification number and date, together with an identificatibn and date of chang
16、es. . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-20307A 13 I 777770b 0300b3Li I 0; MIL-P-ZCICJA (MU) e. Stat-menis of findings on all composition ana associated ingredients, and certificates of conformance on all- remaining Eacerial when s
17、uch material is covered by Government. specifications. The certificats shall be signed by a responsible agent-of tite certifying organization. The initial certificate submitted-percent 101. Closing ring damageh or positioned in such a manner the drum is not closed properlyVisual 03001 Minor: AQL 0.6
18、5 percent 201. Marking misleading or unidenti- fiabl.Visual 03002 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - - MIL-P-20307A 13 7797706 0300637 7 MIL-P-20301A (MU) 4.3.2.4 Drum, sealed (Fiber). Categories Defects Method of Cgde No. Inspectio
19、n Critical: None defined Major: AQL 0.40 percent to the extent that contents sift out .?.Visual 04002 Minor. : AC Pz20307A (MU) Rinse the inner surface qf th - 5 minutes. bomb head with hot water and catch the rinsings in a 600 ml. beaker. Place the fusion cup on its side in the beaker and add . 100
20、 ml. of water. Cover the beaker with a watch glass and heat the contents of the beaker until decomposition of the sodim peroxide is complete. Remove the cup and rinse wi* cabching the rinsings in the beaker. Carefully ad HNO3, to the solution in the beaker until the solu acid. Ag NO3. Heat the conte
21、nts of the beaker until .the precipitate coagulates, and then cool. Filter the solution through a filtering crucible and wash the precipitate with 1 percnt “Oz., Titrat the exzess s!Pv?p nitrate in the combined filtrate and washn with N/10 potassium thiocyanate solution, .wing 5 to 10 ml. of saturat
22、ed ferric arnmmium sulfate solution as indicator. Also determine +;he vdume of potassium thiocyanate. solution required to titrate 50 ml, of silver nitrate solution. Calculate the percent chlorine as follows: Dismantle the bomb. Add a measured porkion of 50 ml. of approximately N/10 Percent. chlorin
23、e = 3.346 V-v _d_LN where: 50 ml. of silver nitrate solution. the excess silver nitrate in the determination of the sample. V = ml. 02 potassiai thiocyanate solution required to titra v =ml. of pot.assium thiocyanate solution required to titra N = Normality of the potassiun thiocyanate solution. W =
24、 gm. of sarriple 4.4.5 Swcific. viucoalty (code No. 10001).-Transfer a weighed portion 3f 0.80 grams (gms.) of the sample to a 250 ml, glass-. stoppered flash and add 139.2 grams (gms.) of nitrobenzene. War the hottle and contents on a steam bath with occasional shaking until the polyvinyl chloride
25、is dissolved. Cool the solutdon to 2G degrees C. and determine its viscosity in centipoises using- a suiLatle viacseimeter such as a bbalohrle viscosimeter. Dete ths visc.osity in centipoises at 20 degrees C. of the nitrobenzene used to clismlve the sample. Calculate the specific viscositu of 9 Prov
26、ided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-20307A 13 E 3737906 0300640 7 E, MIL-P-20307A (MU) where : A - visctsir;y in centipoises of the solution of polyvinyl B = viscosity in centipoises of the nitrobenzene. 4.la,ssc to afford protection to
27、 the contents equivalent to that givsi) by d heat seal closure. (Alternately, an equivalent cegrae of pz;ts.t,icr. may Se furnished by suitable laminations or coatings. of tlx inner surface of the drum). The drums shall be closed in accwdCuic8 with Specification PPP-D-723, PP-D-729 and Fiber and ply
28、wood &ums shall be furnishe.d with MIL-P-lLZ iiS hpl9 f Cakle io Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. MIL-P-20307A 13 777970b 0300643 9 MIL-P-ZOSO7A 1 PA! 5.1.1.2 Alternate method.-Polyvinyl chloride may be packed In paper shipping sacks
29、 in accordance with Table I, Construction Mo. 2X of Specification W-S-48. accordance with above Specification, protection against damage euring direct shipment from supply source to the first receiving activity for humediate use. shall comply with Uniform Freight Claseifcatlon Rules and Container Sp
30、ecifications for rail shipment8 or National Motor Freight Rules m Container Specifications for truck shipments, a8 applicable. contpact or pchase order, containers shall be marked in accordance Closure of sacks shall be in 5.1.2 Level C.-Polyvinyl chloride shall be packed to afford Containers 5.2 Ma
31、r-klng.-In addition %o any special marking required by the With StmdXrd MIL-STD-129. 6. NOTES 6.1 6.2 Ordering data.-Procurement documents shall specify title, Inspeztion code numbers.-The five digit code numbers number and date of this specification. assigned to the inspections herein are to facilitate future data collection and analysis by the Government. Custodian: Arniy- PB Preparing activity: Army- PA PLOjeCt NO 13704189 o Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
