1、MIL-A-3167A 0 W 399970b 009659 O W % MIL-A-316 7A(OS) 5 January 1976 SUPERSEDING MIL- A- 3167 31 March 1950 MILITARY SPECIFICATION ADHESIVES (FOR PLASTIC INHIBITORS) This specification is approved for use by all departments and agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specific
2、ation covers adhesives for use with ethyl cellulose or cellulose acetate molded plastic inhibitors. (See 6.1) 1.2 Classification. The adhesives covered by this specification shall be furnished in the following types and classes, as specified (see 6.2): Type I - - Cellulose Nitrate Class 1 Class 2 Ty
3、pe II - - Cellulose Acetate Class 1 Class 2 Class 3 Class 4 Type III - - Solvent Adhesive Class 1 Class 2 2. APPLICABLE DOCUMENTS 2.1 invitation for bids or request for proposals form a part of this speci- fication to the extent specified herein. tween this specification and any dowment referenced h
4、erein, require- ments of this specification shall apply. The following documents of the issues in effect on date of In the event of conflict be- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1 1 . 1 1 31 1 22 1 1 MIL-A-3Lb7A 80 W 9999906 0096860 7
5、a MIL-A-316.7A( OS ) SPECIFICATIONS _. Federal 0-A-51 Acetone, Technical 0-D-306 Diacetone Alcohol, Technical (Acetone-free) TT-B-838 Butyl Acetate, Normal (For Use in Organic Coat ings ) PPP-B-585 Box, Wood, Wirebound PPP-B- 62 1 Box, Wood, Nailed and Lock-Corner PPP-B-6 36 Box, Shipping, Fiberboar
6、d Military MIL-C-124 Containers (Cans, Pails, and Drums) Metal (For Other Than Subsistence Items) MIL-N-244 Nitrocellulose MIL-1-3 166 Inhibitors, Web and End (Plastic) STANDARDS Federal FED-STD-141 Paint, Varnish, Lacquer and Related Materials, Methods of Inspection, Sampling and Te.sting Military
7、MIL- STD-12 9 Marking for Shipment and Storage (Copies of specifications, standards, drawings, and publications required by suppliers in connection with specific procuremefit functions should be obtained from the procuring activity or as directed by the contracting officer, 1 2.2 specification to th
8、e extent specified herein. the issue in effect on date of invitation for bids or request for proposals shall apply, Other publication, The following document forms a part of this Unless otherwise indicated In the event of conflict between this specification and any - document listed herein, requirem
9、ents of this specification shall apply. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-3167A(S) . . ,. American Society for Testing and Materials (ASTMj D 1744 Water in Liquid Petroleum Products by Karl Fischer Reagent, Test for (Application
10、 for copies should be addressed to the Amerlcan Society for Testing and Materials-, 1901 Race Street, Philadelphia, PA 19103.) Code of Federal Regulations 49 CFR 170-190 Department of Transportation, Hazardous Materials Regulations (Copies are available from the Superintendent of Documents, U.S. Gov
11、ern- ment Printing Office, Washington, DC. 20402.) Consolidated Classification Committee Consolidation Freight Classification Rule 41 (Application for copies should be addressed to the Consolidated Class- ification Committee, 202 Chicago Union Station, Chicago, IL 60606.) 3. REQUIREMENTS 3.1 Materia
12、ls. 3.1.1 Raw Materials. The raw materials for use in adhesives covered by this specification shall be as follows: 3.1.1.1 Cellulose nitrate. The cellulose nitrate shall have a nitrogen content of 12 f 0.2 percent. (See 4.3.7.) 3.1.1.2 Ethyl lactate. free from suspended matter conforming to the foll
13、owing requirements: The ethyl lactate shall be a water-white liquid Specific gravity at 2So/2S0C 1.020 to 1.036. Nonvolatile, maximum: 0.0059 gram/ml. Water: No turbidity when one volume is mixed with 19 volumes of 60B gasoline at 2OOC. Distillation range: Below 102OC-None. . Below 139OC-Not more th
14、an 10 percent. Below 155OC-Not less than 90 percent. Above 173OC-None (4.3.5). - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-3Lb7A 80 9999906 007b62 O MIL-A-3167A( OS) Acidity: Free Acid as lactic, not more than 0.08 percent. (See 4.3.8) Pu
15、rity: 4.3.9) Ester content as ethyl lactate not less than 96 percent (See 9: 3.1.1.2.1 Ethyl Lactate (type III, class 2 only. ) The ethyl lactate shall be water-white liquid free from suspended matter conforming to the * following requirements: Ethyl lactate, % by wt 98.0 (min.) Specific gravity , 2
16、5 /25 C 1.030 to 1.035 Distillation range Moisture 125.0 to 170.OoC Miscible without turbidity with 19 volumes of 6OoC API gasoline at 2OoC Acidity, calculated as lactic acid, % by wt. 0.08 (max.) Odor Nonresidual Nonvolatile matter 0.02 gram/O mi. (max. Suspended matter Substantially none 9; 3.1.1.
17、3 Butyl acetate. The butyl acetate shall conform to TT-B-838. 3.1.1.4 Methyl phtlialyl ethyl glycolate. Methyl phthalyl ethyl glycolate shall be water-white liquid, free from suspended matter, conforming to the following requirements : Specific gravity at 25O/25OC: 1.220 ? 0.005. Boiling Point: 189O
18、C at 5 mm. 3.1.1.5 Cellulose acetate. The cellulose acetate shall have an apparent acetyl content of 35.8 to 39.4 percent. (See 4.3.10) 9: 3.1.1.6 Diacetone alcohol. The diacetone alcohol shall conform to the requirements of 0-D-306. 3.1.1.7 Acetone. The acetone ,shall conform to O-A-51. 3.1.1.8 Eth
19、ylene glycol monomethyl ether. Ethyiene glycol monomethyl ether shall be a water-white liquid, free from suspended matter, conform- ing to the following requirements : Specific gravity at 2Oo/2O0C: 0.961 to 0.966. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license
20、 from IHS-,-,-MIL-A-3167A BO 7777706 007b863 2 W MIL-A-3167A (OS) Distillation range: Be 1 ow 1 18 C- -None. Below 120C-Not more than 3 percent. Below 125OC-Not less than 96 percent. Above 126OC-None. 3.1.1.9 Ethylene glycol monoethyl ether. Ethylene glycol monoethyl ether shall be a water-white liq
21、uid free from suspended matter conforming to the following requirements: Specific gravity at 25/25C: 0.927 to 0.933. Distillation range: Below 128OC-None. Below 136OC-Not less than 95 percent. Above 137OC-None. 3.1.2 Finished materials. 3.1.2.1 Composition. The composition of the finished material s
22、hall be as specified in table I. 3.1.2.2 Characteristics. The adhesives shall conform to the charac- teristics shown in table II. 3.2 Adhesion. The adhesives covered by this specification shall adhere web and end molded plastic inhibitors (MIL-1-3166) to cruciform grains of double-base powder when t
23、ested in accordance with 4.3.11. 3.3 Workmanship. Shall be such that the ingredients are inti- mately compounded and processed in accordance with the best commercial prac- tice. 4. Quality Assurance Provisions. 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase
24、 order, the supplier is responsible for the performance of all inspection requirements- as specified herein. Except as otherwise specified in the contract or order, the supplier may use his own or any other facilities suitable for the performance of the inspection re- quirements specified herein, un
25、less disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure sup- plies and services conform to prescribed requirements. 5 Provided by IHSNot for ResaleNo reproduction or n
26、etworking permitted without license from IHS-,-,-H 2 P N 1 -3 1 c-9 c N ci *fi a 8 ti C H dd coa 100 c-9Co I I .I I I I I O0 Co3 IO0 I III I I O O Co f III I III Ill O rl I IO I I I O0 O N *I I I I I O0 i11 I I I I mmo N III I I ;dri In m I I I al ci o rd rl d A % z I I I al P al o Id rl A c, 9 p? %
27、 I I I I al P al 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-H H a, 4 % E-i c c a c cr U. F a E C v: c !E c U U C v3 U H E-i cn H 3 s E-i 3 U 00mVlMm bDVlbVlb 4,4,4,oI4,4, 000000 000000 cic,ci+JciQ OmLoVlbm mbbmbu, m4,4,4,cn4, 000000 0004, O00
28、MOWO 4, .) FI O O000 1 o cicicici ci ooorl 00 moo hlbbrl o O000 FI44rl O000 a, +I +I +I +I c d O0 mooozz v3moo NMmm IIIIIII IIIIIII IIIIIII I I I I IHH I IHHHHH HHHHHHH v) FI I+ O w 2 a, e rl 4 cd v, E Q a, M d rl w (d -I -I rl c, v) rl 3 mbwo 0004 +I +I +I +I moo0 Ama Q) a, cn U a .rl : h P ci o k
29、a, F4 Q 4 a,v) F4Q) ci 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-.e. 2. . .e. .1. - NIL-A-3167A 80 777970b 0076866 8 - 4.2 Sampling. 4.2.1 Size of lots. a single type and class of adhesive produced as a unit of manufacture, and offered for in
30、spection at one time. 4.2.2 Sampling procedure, shall be taken in accordance with FED-STD-141 for test. For the purpose of sampling, a lot shall consist of From each lot of adhesive, a 1-quart sample 4.3 Tests. Tests on the adhesive except for the acetone shall be conducted in accordance with method
31、s described in the following paragraphs. purchases, the tests shall be conducted at a Government laboratory unless otherwise specified. For Navy 4.3.1 Tests for components. Unless otherwise covered by applicable test methods in this specifitation the properties of the adhesive components shall be de
32、termined by standard methods. 4.3.2 Specific gravity. Specific gravity shall be determined in accordance with method 401 of FEDSTD-141 except that the determination shall be made at the temperatures specified in 3.1.1 and 3.1.2 for the respective com- ponents and adhesives, 4.3.3 Viscosity. viscosim
33、eter wifh readings converted to centipoises . Viscosity shall be determined by means of a suitable 4.3.4 Solids content (nonvolatile). Solids content shall be determined in accordance with method 404.1 of FED-STD-141. 4.3.5 Distillation range. Distillation range shall be determined in ac- cordance w
34、ith method 430.1 of FED-STD-141 except that a thermometer of the proper range and graduated to 1/5OC shall be used. 4.3.6 Moisture. Moisture in accordance with ASTM D 1744. shall be determined by the Karl Fischer method 4.3.7 Nitrogen. Nitrogen shal be determined in accordance with MIL-N-244. 4.3.8
35、Acidity. Acidity shall be determined in accordance with method 525.2 Of FED-STD-141. 4.3.9 Ester content. Ester content shall be determined in accordance with method 5 17.1 of FED-STD-141. 4.3.10 Acetyl content (apparent). to constant weight (about 2 hours) at looo to 105OC and cooled in a des- sica
36、tor. in Erlemeyer flasks, add 40 ml of ethyl alcohol (75 percent) to each flask and stopper the flasks. The sample to be tested shall be dried Place duplicate 1-gram portions of the sample accurately weighed Heat for 30 minutes at about 55OC on a water bath 8 Provided by IHSNot for ResaleNo reproduc
37、tion or networking permitted without license from IHS-,-,-MIL-A-3L67A 80 m 7779706 0076867 T m MIL-A-3167A( OS) to swell the fibers. measured from a burette to each flask, stopper loosely, and heat at about 55OC for approximately 15 minutes. to stand for 48 hours. standard 0.5N hydrochloric acid usi
38、ng phenolphthalien as an indicator. After reaching a temporary endpoint alow the flasks to stand at least 30 minutes so the sodium hydroxide can diffuse from the fibers. N hydrochloric acid at intervals until all free sodium hydroxide has been neutralized. obtained. Calculate the apparent acetyl con
39、tent as follows: Add about 40 ml of 0.5 N sodium hydroxide accurately Tightly stopper and allow the flasks Back titrate the excess sodium hydroxide with Add 0.5 Care must be used at this point or poor check values will be vN - INi w . x 4.305 Apparent acetyl content = where V=millimeters of sodium h
40、ydroxide solution used N=normality of sodium hydroxide solution V1=millimeters of hydrochloric acid required for titration of the sample N1=normality of the hydrochloric acid W=grams of sample used If duplicate determinations differ by more than 0.5 percent apparent acetyl the analysis shall be repe
41、ated. 4.3.11 Appearance (bubble formation). Four web inhibitors conforming to type I of MIL-1-3166 shall be adhered to the webs of cruciform-shape double-base powder and thereafter conditioned at room temperature (77O+ 2OF) for 24 hours. oven maintained at 13Oo+1O0F, removed rom the oven, and cooled
42、 to room temperature. Examination shall reveal no bubble formation nor unbonded edges. 4.3.12 Adhesion. Using the samples prepared and conditioned in accordance with 4.3.11 and after examiiiation for bubbles, the molded web inhibitor shall be pulled from the webs of the powder grain with a suitable
43、pulling tool. A similar sample shall be prepared and conditioned in accordance with 4.3.11 using a pre- Viously tested and approved adhesive for comparison. of the adhesive as compared with the previously tested and approved adhesive shall be the means for determining conformance to this adhesion re
44、quirement. The assembly shall then be stored for 72 hours in an Powder shall be pullad loose with the inhibitor. The performance 4.4 Rejections. of this specification and do not pass the tests in 4.3 shall be rejected. 4.5 Resubmission. this specification may be resubmitted for inspection and testin
45、g provided the contractor (after being informed of the reasons for rejection) submits a signed statement that he has corrected the deficiencies noted. Lots of adhesives which are submitted for the requirements A lot that has been rejected under the provisions of 9 Provided by IHSNot for ResaleNo rep
46、roduction or networking permitted without license from IHS-,-,-2. .v. i. .e. i*. . i*. 5. PREPARATION FOR DELIVERY 5.1 Packaging. 5.1.1 Level C. or in 55-gallon drums as specified in the contract or order. 5.1.1.1 Adhesives shall be furnished in 5-gallon rectangular cans Five-gallon cans shall confo
47、rm to the requirements for type I of MIL-P-124. 5.1.1.2 specification 17E of 49 CFR 170-190. Fifty-five-gallon drums shall conform to the requirements of 5.2 Packing. 5.2.1 Level A. or wirebound box conforming to the requirements of specification PPP-B-621 or PPP-B-585 , respectively. Two 5-gallon c
48、ans shall be packed in a nailed wood box 5.2.1.1 5.2.2 Level C. or wirebound box conforming to the requirements of specification PPP-B-621 or PPP-B-585, respectively; or one 5-gallon can shall be packed in aomugated fiber box or solid fiber box conforming to the requirements of PPP-B-636. Fiberboard
49、 boxes shall comply with the latest edition of Consolidated Freight Classification Rule 41, section 6. 5.2.2 .l Fifty-five-gallon drums will require no further packing. Two 5-gallon cans shall be packed in a nailed wood box No strapping will be required. Fifty-five-gallon drums will require no further packing. 5.3 Marking. or order, shipping containers shal
