1、MIL-R-82657 68 m 9999906 0323055 9 .- - - - -_ - - MIL-R-82657(OS) 31 January 1977 Sup ers ed in g MILITARY SPECIFICATION (See Section 6) RESIN, EPOXY, TRIFUNCTIONAL ” This specification is approved for use by the Naval Sea Systems Command, Department of the Navy, and is available for use by all Dep
2、artments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers one type of trifunctional epoxy resin. 2. APPLICABLE DOCUMENTS 2.1 issues of documents. The following documents of the issue in effect on date of invitation for bids or request for proposal, form a part
3、 of this specification to the extent specified herein. STANDARDS Military MIL-STD-105 Sampling Procedures and Tables for Inspection by Attributes MIL-STD-129 Marking for Shipping and Storage MIL-STD-1218 ACS Chemicals (Copies of specifications, standards, drawings, and publications required by suppl
4、iers in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.) 2.2 Other publications. The following documents form a part of this specification to the extent specified herein. Unless otherwise indicated, the issue in
5、 effect on the date of invitation for bids or request for proposal shall apply. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Station, Standardization Division (611), Indian Head, Maryland 206
6、40 by using the self-addressed Standardization Document Improve- ment Proposal (DD Form 1426) appearing at the end of this document or by letter. - Commanding Officer, Naval Ordnance Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - MIL-R-82657 (OS)
7、 AMERICAN SOCIETY FOR TESTING AND MATERIALS ASTM D 70-72 Specific Gravity of Semi-Solid Bituminous Materials Kinematic Viscosity of Transparent and Opaque Liquids (and the Calcula- tion of Dynamic Viscosity) Hydrolyzable Chlorine Content of Liquid Epoxy Resins ASTM D 445-74 ASTM D 1726-73 (Applicati
8、on for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) CODE OF FEDERAL REGULATIONS 49 CFR 100-199 Transportation (The Code of Federal Regulations is available from the Superintendent of Documents, U.S. Government Printing Offic
9、e, Washington, DC 20402. Orders should specify “49 CFR 100-199 (latest revision)“). INTERNAL REVENUE SERVICE IRSP No. 368 Formula for Denatured Alcohol and Rum (Application for copies should be addressed to the Superintendent of Documents, Government Printing Office, Washington, DC 20402.) NATIONAL
10、MOTOR FREIGHT TRAFFIC ASSOCIATION, INC., AGENT National Motor Freight Classification (Application for copies should be addressed to American Trucking Associations, Attn: DC 20036.) Tariff Order Section, I616 P Street, Washington, UNIFORM CLASSIFICATION COMNITTEE, AGENT Uniform Freight Classification
11、 (Application for copies should be addressed to the Uniform Classification Committee, Room 1106, 222 South Riverside Plaza, Chicago, IL 60606.) (Technical society and technical association specifications and standards are generally available for reference from libraries. are also distributed among t
12、echnical groups and using Federal agencies.) They 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3. REQUIREMENTS a 3.1 Material. The material shall be a light amber to dark brown. triglycidyl ether of p-aminophenol. 3.2 Chemical and physical prope
13、rties. The chemical and physical * properties shall be in accordance with TABLE I. TABLE I. Chemical and physical properties. Property Minimum Maximum 1 I Specific gravity, 25“/25OC 1.205 1.225 t Viscosity, cps, 25C 550 850 Epoxy assay, 95 107 g/g . mole Hydro ly z ab le Chlorine content , wt% Water
14、 content, wt% - O. 5 - 0.2 L J 3.3 Workmanship. The resin shall be uniform, free from contamination, foreign material or any other defect that would prevent its use for the purpose intended. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract
15、, the contractor is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contract, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified herein unless disapprove
16、d by the Government. The Government specification where such inspections are deemed necessary to assure that supplies and services conform ta prescribed requirements. P reserves the right to perform any of the inspections set forth in the 4.2 Inspection conditions. Unless otherwise specified (see 6.
17、2), all inspections shall be performed under the following conditions: a. Temperature: Room ambient 18 to 35C (65 to 95F) b. Altitude: Normal ground c. Vibration: None d. Humidity: Room ambient to 95 percent relative, maximum 3 Provided by IHSNot for ResaleNo reproduction or networking permitted wit
18、hout license from IHS-,-,- MIL-R-82657 (OS) 4.3 Sampling. 4.3.1 Lot. Unless otherwise specified in the contract (see 6.2), a lot shall consist of all resin manufactured in one continuous production run or in one batch, under essentially identical conditions, from the same raw materials, and to be of
19、fered for acceptance at one time. Several batches, manufactured from the same raw materials, may be blended to form a uniform larger batch which shall then constitute a lot for inspection purposes. 4.3.2 Sampling. Sampling for quality conformance inspection shall be in accordance with inspection lev
20、el I of MIL-STD-105. unit shall be one unit package or container of material, shall consist of sufficient material to perform the quality conformance tests as specified in 4.4. The sample Each sample 4.4 Quality conformance inspection. Each sample obtained tn accordance with 4.3.2 shall be subjected
21、 to the tests of 4.5. The acceptable quality level (AQL) shall be 2.5% defective. When specified in the contract (see 6.2), the contractor shall furnish test reports showing quantitative results for all quality conformance tests Specified for each lot of resin. 4.5 Tests. Unless otherwise specified
22、herein, all chemicals shall be ACS grade in accordance with MIL-STD-1218. 4.5.1 Specific gravity. Specific gravity, 25/25OC, shall be determined in accordance with ASTM D 70-72. 4.5.2 Viscosity. The viscosity at 25OC shall be determined in accordance with ASTM D 445-74. 4.5.3 Epoxy assay, ance with
23、the following: The epoxy assay shall be determined in accord- a. Apparatus : 1. 2. 3. Hot plate. 4. Pipet, 25 ml. Erlenmeyer flask, 250 milliliter (mi) , 24/40 joint. Condenser, West-type, water cooled drip tip, 24/40 joint, 300 millimeter (mm) jacket. b. Reagents: 1. Pyridine hydrochloride, reagent
24、 grade. 2. 3. 4. 5, Pyridine hydrochloride solution, 0.2 normal (N), 23 grams (g) pyridine hydrochloride/liter pyridine. Sodium hydroxide, 0.1 N standard. Phenolphthalein indicator, 1 percent alcoholic. Ethyl alcohol, absolute, denatured, Formula D-30 conforming to Internal Revenue Service Publicati
25、on No. 368. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-a. Reagents: 1. Methanol. 2. Sodium tartrate. 3. Stabilized Karl Fischer reagent, diluted to a water equivalent of 2.5 to 3.0 mg/ml with Karl Fischer diluent. b. Apparatus: Aquameter, Beck
26、man Model KF-4, or equivalent c. Standardization of dilute Karl Fischer reagent: methanol to the reaction vessel. Neutralize the methanol with dilute Karl Fischer reagent by automatically titrating to a 30-second endpoint using the Aquameter. Add 0.09 to 0.11 g of sodium tartrate weighed to the near
27、est O.lmg, to the neutralized methanol. Dissolve the sodium tartrate in the methanol by setting the stirring action to the highest speed which will not cause splashing or bubble formation. Automatically titrate with dilute Karl Fischer reagent to a 30-second endpoint. reagent. determinations agree w
28、ithin 0.05 mg/ml. Add 100 ml of Record the volume of dilute Karl Fischer Repeat the standardization procedure until three Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-8265 7 (OS) d. Calculate the water equivalent of-the dilute Karl Fischer r
29、eagent as follows: 156.6B C A= where: A = water equivalent of the dilute Karl Fischer B = weight of sodium tartrate, g C = volume of dilute Karl Fischer titrate the standard, ml reagent , mg/ml reagent used to 156.6 = factor for sodium tartrate e. Procedure: Add 100 ml of the methanol to the reactio
30、n vessel. Neutralize the methanol with dilute Karl Fischer reagent by automatically titrating to a 30-second endpoint using the Aquameter. nearest 0.01 g (weigh and transfer this material as rapidly as possible) to the neutralized methanol in the reaction vessel. Set the stirring action the same as
31、that used in the standardization. titrate with standardized dilute Karl Fischer reagent to a 32-second endpoint. reagent. Add 10 to 30 grams of sample weighed to the Dissolve the sample and automatically Record the volume of dilute Karl Fischer f. Calculate the water content as follows: water conten
32、t, wt% = where: A = water equivalent of the dilute Karl Fischer reagent (from d. above) , mg/ml reagent used to titrate sample, ml 1000 = multiplication factor to convert g to mg D = volume of standardized dilute Karl Fischer E = sample weight, g g. Report the results of 2 determinations and their a
33、verage, 4.6 Packaging inspection. The packaging, packing and marking shall be inspected to verify conformance with the requirements of section 5. 5. PACKAGING 5.1 Packaging and packing. Unless otherwise specified in the contract (see 6.2) , packaging and packing shall be level C. 5.1.1 Level C. Unle
34、ss otherwise specified in the contract (see The 6.2), packaging and packing of epoxy resin shall be in accordance with standard commercial practice applicable to the type of material. packaging and packing shall be of such construction and materials that the contents will be adequately protected aga
35、inst loss ur contamination. Container size shall be as specified in the contract (see 6.2). tainers shall conform to Uniform Freight Classification, National Motor Freight Classification or to rules of other carriers applicable to the node of traasportation. 6 Con- - _ _- b. - Provided by IHSNot for
36、 ResaleNo reproduction or networking permitted without license from IHS-,-,-h. Contract or purchase order number 6. NOTES 6.1 Intended use. Epoxy resin in accordance with this specification is intended for use as a curative agent in solid propellant formulations for the CCU-22/A impulse cartridge an
37、d other cartridge devices. 6.2 Ordering data. Procurement documents should specify the following : 6.2.1 Procurement requirements. a. b. d. e. f. go h. C. Title, number and date of this specification Quantity required Place of delivery Inspection conditions when other than as specified (see 4-2) Lot
38、 size if other khan as specified (see 4.3.1) Packaging requirements if other than as specified (see Sel) Size of container required (see 5.1.1) Any special markings required (see 5.2) 6.2.2 Contract data requirements. Items of deliverable data requ2red by this specification are cited in the followin
39、g paragraph herein: Paragraph Data Requirement Applicable DID* 4.4 Quality conformance - inspection data *DIDS (Data Item Description/DD Form 1664) for the above requirements will be documented in the applicable ADL (Authorized Data List), data will be delivered as identified on completed (numbered)
40、 DIDS when specified on DD Forms 1423 (Contract Data Requirements Lists) and incorporated into applicable contracts. Such 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-8265 7 (OS) 6.3 Storage conditions. The epoxy resin should be stored in
41、a temperature regulated area at less than -12C (lOF), 6.4 Shelf life. The nominal shelf life of this epoxy resin is 6 months from date of manufacture. Resin that has exceeded this shelf life should be retested to the requirements of this specification prior to use. 6.5 Supersession information. MIL-
42、R-82657 is intended to be used in lieu of Grade B resin of AS 3056, Amendment 1 (Code Ident 30003) dated 30 April 1976. 6.6 Suggested source of supply. A product that has met the requirements of this specification in past procurement actions is 0510 manufactured by CIBA-GEIGY Corporation, Resin Depa
43、rtment, 444 Saw Mill River Road,Ardsley, NY 10502. convenience of the procuring activity and is not to be construed as a waiver of any requirement of this specification nor as any limitation of additional potential sources of supply. This information is for the Custodian: Navy - OS U. C. GOVERNMENT PRINTING OFFICE: 1977-703-020/1942 8 Prep ar ing Activity : Navy - OS Project Number: 6 810-NA3 1 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
