1、MIL-R-82664 68 m 7777706 OL23LO8 LI U - MIL-R-82664 (OS) 31 Januarv 1977 MILITARY SPECIFICATION RESIN, EPOXY, mvIsITY This specification is approved for use by the Naval Sea Systems cairamand, Department of the Navy, and is available for use by all Departnu3nts and Agencies of the Deparhnent of Defe
2、nse. 1. SCOPE 1.1 Scope. This specification covers one type of law visaosity epoxy resin. 2. PSPLIcABrn DOCUMENTS 2.1 Issues of docUmnts. The following docmrents of the issue in effect on date of invitation for bids or request for proposal, fom a part of this specification to the extent specified he
3、rein. STWARDS Militarv MIL-STD-10 5 Sampling Procedures and Tables for Inspection by Attributes MIL-STD-129 Marking for Shipping and Storage MIGSTD-1218 ACS Ch 4.5.4.2 Procedure. a. Mount the instrumat; attach the plunariet to the hook at the end of the balance beam, then adjust the screw at the bas
4、e of the instrunient until the beam rests at equilibrium. b. Fill the sqle cylinder with distilled water. Sukmrge the plumnet (while still hanging frm the balance beam) in the water making sure that it is campletely sukmrged and that the twisted part of the platinum wire is also below the water leve
5、l. Place the 5 g weight on the saxe hook with the pl-t (that is, corresponding to notch No. 10 of the beam), then turn the adjustmnt scrw to bring balance to perfect equilibrium again. is now ready for specific-gravity determinatons. The insmt c. Replace the water with sample having the same tqr- at
6、ure as the water. in the sample as before. placing weights on the beam until equilibrium is reached. Dry the plumnet, then place it Nm balance the beam by 4.5.4.3 Calculation. Read the specific gravity by starting with the 5 g weight. to this wight (O. 1 for the 5 g weight) by the nilmber of the not
7、ch on which it rests. add the results to obtain the specific gravity. Multiply the specific gravity unit ninnber corresponding Repeat this procedure with the rest of the wights and Suppose that the following weights bring the balance to equilibrium: 6 Provided by IHSNot for ResaleNo reproduction or
8、networking permitted without license from IHS-,-,-MIL-R-82664 (OS) 5 g weight on the hook (Notch No. 10) 0.5 g weight on notch No. 7 0.05 g weight on notch No. 6 0.005 g might on notch No. 2 Specific gravity would be computed as folluws: 0.1 (10) + 0.01 (7) +. 0.001 (6) f 0.0001 (2) Specific gravity
9、 = 1.0762 at 25/25OC 4.5.5 Refractive index. The refractive index at 25OC shall be determined in accordance with the follming: 4.5.5.1 Apparatus. Abbe refractometer, or equivalent. 4.5.5.2 Procedure. a. Maintain the instrument temperature at 25 f l0C for 10 to 15 minutes, Clean the prisms with xylen
10、e. Place one or two drops of sample on the lmer prim. Close the prisms by means of the screw head. Using the adjustment screw on the left side of the instrument, mve the moving arm until the field of vision shows the boundary between light and shade just intersecting the crosshair. Turn the adjustme
11、nt screw on the right side of the instrument until the boundary between light and shade is as sharp as possible. hand screw if necessary. Using the lens, read the refractive index directly from the sector. Report (to the fourth dechl place) the average of the values obtained. 4.6 Packaging inspectio
12、n. The packaging, packing and marking shall be inspected to veri confomce with the requirements of section b. c. d. e. Readjust the left f. Repeat the adjusmt three ths. 5. PACKAGING 5.1 Packaging and packing. Unless otherwise specified in the contract or order (see 6.2), packaging and packing shall
13、 be level C. _ I - 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIIL-R-82664 (OS) 5.1.1 -vel C. Unless otherwise specified in the contract or order (see 6.2) , packaging and packing of epoxy resin shall be in accordance with standard mrcial prac
14、tice applicable to the type of material. The packaging and packing shall be of such construction and materials that the contents will be adequately protected against loss or contamination. or order (see 6.2). Containers shall conform to Uniform Freight Classification, National Wtor Freight Classific
15、ation or to rules of other carriers applicable to the mode of transportation and shall be suitable for indoor storage at 32OC (9O0F) maximum for a minimum of 2 years. Container size shall be as specified in the contract Containers shall be capable of being receded. 5.2 Marking. In addition to any sp
16、ecial marking requireil by the contract or order (see 6.2) , each container shall be =ked in accordance with MIL,-STD-129 and code of Federal Regulations 49 Ci? 171-179. infomiation: Marking shall include but not be limited to, the following a. Title, nunhr and date of this specification. b. Manufac
17、turers name and location. c. Material trade na. d. Net wight and volume. e. Ut ninnber, batch nunhr(s) , and date of manufacture. f. Storage conditions. g. Contract or purchase order nunter. 6. NCYJBS 6.1 Intended use. Epoxy resin in accordane With this specification is intended for use as a curativ
18、e agent in solid propellant fomulations for the CKU-5/A rocket catapult assembly and other rocket motor applica- tions. 6.2 Ordering data. ?rocurmt documents should specify the follawhg: 6.2.1 Prm-t requirerrients . a. Title, ninnber and date of this specification. b. Quantity required. c. Place of
19、delivery. d. Inspection conditions when other than as specified (see 4.2). 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-82664 (OS) e. Lot size if other than as specified (see 4.3.1). f. g. h. Packaging requirenents if other than as specifi
20、ed (see 5.1). Size of container required (see 51.1). Any special marking required (see 5.2) . 6.2.2 Contract data requirements. Items of deliverable data required by this specification are cited in the following paragraph herein : Paragraph 4.4 Data Requirement Quality conformance inspection data Ap
21、plicable DPD* - *DIDS (Data Item Description/DD Form 1664) for the above- require- mnts will be docmented in the applicable AL (Authorized Data List). Such data will be delivered as identified on completed (nunhered) DIDS when specified on DD Forms 1423 (Contract Data Requiremnts Lists ) and incorpo
22、rated into applicable contracts. 6.3 Suggested source of supply. A product that has mt the requirerents of this specification in past proaxement actions is EPON 812, manufactured- by the Miller Stephenson Chemical Carpany, 1350 Fullerton Avenue, Chicago, IL 60614. This information is for the conveni
23、ence 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. custodian: Navy - OS Preparing Activity: Navy - OS Project Nmkr: 6810-NA36 U. C. GOVERNMENT PRINTING OFFICE: 1977-703-020/1945 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
