1、 - -* . MIL-S-8258 96 7777706 0208265 7 M - I INCH-POUND I MIL-S-82858(OS) 29 December 1989 SUPERSEDING WS 26951 13 November 1986 MILITARY SPECIFICATION SILICONE DIOXIDE, MICROFINE This specification is approved for use by the Naval Sea Systems Command, Depart- ment of the Navy and is available for
2、use by all Departments and Agencies of the Department of Defense. 1, SCOPE 1.1 Scope. This specification covers the requirements for one type of microfine silicone dioxide, referred to herein as silicone dioxide. 2. APPLICABLE DOCUMENTS 21 Government documents, 2.1.1 Specifications, standards and ha
3、ndbooks. The following specifica- tions, standards and handbooks form a part of this document to the extent specified herein, those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). Unless othe
4、rwise specified, the issues of these documents are STANDARDS FEDERAL FED-STD-313 Material Safety Data, Transportation Data and Disposal Data for Hazardous Materials Furnished to Government Activities Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of u
5、se in improving this document should be Branch (3730), Indian Head, MD 20640-5000, by using the self-addressed I I I I addressed to: Commanding Officer, Naval Ordnance Station, Standardization I Standardization Document Improvement Proposal (DD Form 1426) appearing at I the end of this document or b
6、y letter. I AMSC N/A FSC 9620 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. y THIS DOCUMENT CONTAINS 9 PAGES. Licensed by Information Handling ServicesMIL-S-82858 96 m 9999906 0208266 9 I MIL-S-82858(OS) MILITARY MIL-STD-129 Marking for Shipment and Storage (Unles
7、s otherwise indicated, copies of federal and military specifications, standards, and handbooks are available from: Military Specifications and Standards, Bldg. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094). 2.1.2 Other Government documents, drawings, and publications. The following other Gove
8、rnment documents, drawings, and publications form a part of this document to the extent specified herein. issues are those cited in the solicitation. CODE OF FEDERAL REGULATIONS (CFR) Unless otherwise specified, the 49 CFR 100-199 Transportation (Application for copies of CFRs should be addressed to
9、 the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402-0001.) 2.2 Non-Government publications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopted are tho
10、se listed in the issue of the DODISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS are the issues of the documents cited in the solicitation (see 6.2). AMERICAN TRUCKING ASSOCIATION, INC. National Motor Freight Classification (Application for
11、 copies should be addressed to the American Trucking Asso- ciation, Inc., Attn: Traffic Dept., 2200 Mill Road, Alexandria, VA 22314-4677.) NATIONAL RAILROAD FREIGHT COMMITTEE Uniform Freight Classification (UFC) 6000 (Application for copies should be addressed to the National Railroad Freight Commit
12、tee, 222 South Riverside Plaza, Suite 1120, Chicago, IL 60606- 5945. ) AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM E 11 Wire-Cloth Sieves for Testing Purposes (DoD adopted) (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Phi
13、ladelphia, PA 19103-1187.) 2 Licensed by Information Handling ServicesMIL-S-82858 96 m 9999906 0288267 O I Property Moisture, percent (at 105OC) I (Non-Government standards and other publications are normally available from the organizations that prepare or distribute the documents. documents also m
14、ay be available in or through libraries or other informational services,) These Minimum Maximum - 2.0 2.3 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however,
15、supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3,l First article. When specified (see 6.2), a sample of the silicone dioxide shall be subjected to first article inspection (see 6.4) in accordance with 4.3. 3.2 Chemical and physical propertie
16、s. Chemical and physical properties of the silicone dioxide shall conform to table I. TABLE I. Chemical and Dhvsical DroDerties. l I Limits i I Loss on ignition, percent (dry basis) I - I I I pH (4 percent aqueous dispersion I Bulk density, grams/cc I 1 3.5 I I 0.03 6.0 i I 0.04 I 3.3 Safety. 3.3.1
17、Toxic products and formulations, The material shall have no adverse effect on the health of personnel when used for its intended purpose, Questions pertinent to this effect shall be referred by the contracting activity to the appropriate departmental medical service who will act as an advisor to the
18、 contracting agency (see 4.1.2). 3.3.2 Material Safety Data Sheets (MSDS). The contractor shall prepare and submit an MSDS in accordance with FED-STD-313 as specified in the contract (see 6.2). 3.4 Shelf life. The silicone dioxide specified herein shall have an unlimited shelf life when stored at am
19、bient conditions (see 6.3.1). 3 Licensed by Information Handling ServicesMIL-S-82858 96 7779706 0208268 2 = 3.5 Workmanship. Workmanship shall be such that the silicone dioxide is uniform in appearance and free from visible contamination, 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspec
20、tion. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements (examinations and tests) specified herein. Except as otherwise specified in the contract or purchase order, the contractor may use his own or any other
21、 facilities suitable for the performance of the inspection requirements specified herein, unless 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 ensure supplies and servic
22、es conform to prescribed requirements. 4.1.1 Responsibility for compliance. All items shall meet all require- ments of sections 3 and 5. The inspection set forth in this specification shall become a part of the contractors overall inspection system or quality program. The absence of any inspection r
23、equirements in the specification shall not relieve the contractor of the responsibility of ensuring that all products or supplies submitted to the Government for acceptance comply with all requirements of the contract. Sampling inspection, as part of manufacturing operations, is an acceptable practi
24、ce to ascertain conformance to requirements, however, this does not authorize submission of known defective material, either indicated or actual, nor does it commit the Government to accept defective material. 4.1.2 Toxicological product formulations. The contractor shall have the toxicological prod
25、uct formulations and associated information available for review by the contracting activity to evaluate the safety of the material or the proposed use. 4.2 Classification of inspections. The inspection requirements specified herein are classified as follows: a. First article inspection (see 4.3). b
26、. Quality conformance inspection (see 4.4). 4.3 First article inspection. First article inspection shall consist of the quality conformance inspection (see 4.4). requirements specified herein shall be cause for rejection of the first article sample. Failure to meet all of the 4.4 Quality conformance
27、 inspection. Quality conformance inspection shall consist of the tests specified in table II. 4.4.1 Lot. A lot shall consist of all silicone dioxide submitted for inspection at one time from the same production run. 4 Licensed by Information Handling Services- MIL-S-82858 96 9999906 0208269 4 9 Loss
28、 on ignition I TABLE II. Oualitv conformance inspection. 4.5.3 I 3.2 1 Examinations and Tests I Requirement 1 Test Method I I 4 - 40 41 - 65 3 4 4.4.2 Sampling. Sampling shall be in accordance with table III. TABLE III. Sampling. 4.5 Inspection methods. The following inspection methods shall be used
29、. Unless otherwise specified in the applicable test method, all weights, volumes, temperatures, and times shall be measured to the nearest specified unit or decimal. NOTE: Reagent grade chemicals shall be used for chemical reactions in the conduct of all tests defined herein. Solvents and indicators
30、 may be commercial nonreagent grade materials. 4.5.1 Visual examination. Visual examination shall be made to verify conformance to the requirements of 3.5 and section 5. 4.5.2 Moisture. Moisture shall be determined in accordance with the following: a. Place a 2- to 3-gram (g) sample of silicone diox
31、ide, weighed to the nearest 0.1 milligram (mg), into a dry, tared 100-milliliter (mi) crucible. 5 Licensed by Information Handling Servicesb. Place the crucible and sample into a 105 & 5OC oven for 60 & 5 minutes with the cover off the crucible. c, Replace the cover and remove the sample to a desicc
32、ator. and weigh the sample, Cool d. Calculation: Percent moisture = (B - C) x 100 (B - A) Where: A = weight of tared crucible and cover B = weight of tared crucible, cover, and sample C = weight of tared crucible, cover, and dried sample e. Record moisture to nearest 0.1 percent. 4.5.3 Loss on ignit
33、ion. Loss on ignition shall be determined in accordance with the following: a. b. C. d. e. f. Into a previously heated and tared 100-ml crucible, weigh to the nearest 0.1 mg a 2- to 3-g dried sample of silicone dioxide that was used in moisture determination, Place the sample into a cool muffle furn
34、ace and adjust the crucible cover so any material volatized may escape. Bring the temperature to 1000 i 5OoC and allow the sample to remain at this temperature for 15 +5 -0 minutes. Readjust the cover to completely cover the crucible and place the crucible and sample into a desiccator. sample. Calcu
35、lation: Percent ignition loss = (B - C) x 100 Cool and weigh the (B - A) Where: A = weight of tared crucible and cover B = weight of tared crucible, cover, and sample C = weight of tared crucible, cover, and ignited sample Record loss on ignition to the nearest 0.1 percent. 4.5.4 pH. The pH shall be
36、 determined in accordance with the following: 6 Licensed by Information Handling ServicesMIL-S-82858 76 7777906 0208271 2 U a. Weigh 4.0 2 0.5 g of silicone dioxide into a 250-ml beaker. b. Add 100 ml of distilled water that has been adjusted to a pH of 7.0 with 0.01 normal (N) hydrochloric acid or
37、sodium hydroxide. c. Stir the suspension mechanically for 5 minutes and determine the pH using a pH meter with a glass-calomel electrode pair. d. Record the pH to the nearest 0.1 pH unit. 4.5.5 Bulk density, Bulk density shall be determined in accordance with the following: a. Weigh a clean, dry, 10
38、0-ml calibrated glass cylinder to the nearest 0.01 g. b. Support a 7.5 & 1.5-cm powder funnel with the discharge opening centered 3 cm above the top of the cylinder, c. Pass 120 $I 24 ml of the sample through a No. 10 sieve conforming to ASTM E 11 onto glazed paper. the screen for conformance to 3.5
39、 Examine any lumps retained on NOTE: Soft lumps that can be readily dispersed are not cause for rejection. d. e. Slowly shake the sifted sample from the paper into the funnel. Strike off the excess sample from the top of the cylinder. f. Wipe the exterior of the cylinder, and weigh the sample and cy
40、linder, g. Calculation: Bulk density, g/cc = (A - Bl V Where: A = weight of cylinder and sample, g B = weight of cylinder, g V = volume of calibrated cylinder, ml h. Record the bulk density to the nearest 0.01 g/cc. 4.6 Inspection of packaging. The containers and container markings shall be visually
41、 examined to verify compliance with section 5. 5. PACKAGING 5.1 Packaging. Unless otherwise specified in the contract or order (see 6.2), packaging shall be level C as specified herein. 7 Licensed by Information Handling ServicesMIL-S-82BSB 7b M 7797706 0208272 Y W MIL-82858(OS) 5.1.1 Level C. The s
42、ilicone dioxide shall be packaged to afford adequate protection against loss, contamination, deterioration, and damage during shipment from the supply source to the first receiving activity and during storage under the shelf life period and conditions specified in 3.4. in the same shipment shall be
43、of the same size. UFC 6000, National Motor Freight Classification, 49 CFR 171-178, or to other carrier rules and regulations as applicable to the mode of transportation, Containers The packaging shall conform to 5.2 Marking. 5,2.1 Standard marking. In addition to any special marking required by the
44、contract or order (see 6.2), interior and exterior containers shall be marked in accordance with MIL-STD-129. 5.2.2 Special marking. In addition to the marking requirements of 5.2.1, each container marking shall include the following: a. Title, number, and date of this specification. b. Manufacturer
45、s name and address. c. Date of manufacture. d. Net weight of contents, e. Shelf life. f. Storage conditions. g. Toxicity warning (if applicable). 6. NOTES (This ,section contains information of a general or explanatory nature that may be helpful, but is not mandatory.) 6.1 Intended use. The silicone
46、 dioxide is intended for use as a filler in preparing insulations and liners in the manufacture of Mk 104 Standard Missile Dual Thrust Rocket Motors. 6.2 Acquisition requirements. Acquisition documents must specify the following: a. Title, number and date of this specification. b. Issue of DODISS to
47、 be cited in the solicitation, and if required, the specific issue of individual documents referenced (see 2.1.1 and 2.1.2). 8 Licensed by Information Handling Services- - r MIL-S-Z5B Yb YY997Ob 0208273 b m c. Whether first article inspection is required (see 3.1 and 6.4). d. Material Safety Data Sh
48、eets Required (see 3.3.2 and 6.6). e. Special marking, if other than as specified in 5.2.2. 6.3 Definition. 6.3.1 Ambient conditions. Ambient conditions are those conditions of temperature and relative humidity experienced by the material when stored in an enclosed warehouse. 6.4 First article. When
49、 first article inspection is required, the contracting officer should provide specific guidance to offerors whether the item(s) should be a preproduction sample, a first article sample, a first production item, a sample selected from the first production items, or a standard production item from the contractors current inventory (see 3.1), and the number of items to be tested as specified in 4.3. should also include specific instructions in acquisition documents regarding arrangements for examinations, approval of first article test results, and disposition of first article
