NAVY MIL-R-7575 C-1966 RESIN POLYESTER LOW PRESSURE LAMINATING《低气压层压聚酯纤维树脂》.pdf
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1、RIPL-R-7595C 29 June 1966 SUPERSEDING MIL-R“7575B 16 November 1959 (see 6.5) MILITARY SPECIFICATION RESIN, POLYESTER, LOW-PRESSURE LAMINATING This specification is mandatory for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope - This specification covers the requi
2、rements for low-pressure laminating polyester resins usd in fabricating glass fabric- based plastic laminates for various applications (see 6.1). 1.2 Classification - The resin shall be furnished in the fol- lowing grades, classes, and forms, its specified (6.2): - Grade A - Normal mechanical proper
3、ties. Grade B - Impfved mechanical properties. Class O - Nonelectrical. Class 1 - Dielectric constant (laminate) of 3.6 up to 4. O. Class 2 - Dielectric constant (laminate) of 4. O up to 4.2. Class 3 - Dielectric constant (laminate) of 4.2 up to 4.4. Class 4 - Dielectric constant (laminate) of 4.4 u
4、p to 4.6. Form A - Liquid or solid resin (3.3). Form B - Pre-impregnated resin (3.3). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-RIL-R-7575C 73 777770b OlLY772 b . . . . . . “i -. . MIL-R-7575C 2. APPLICABLE DOCUMENTS * 2.1 The following documen
5、ts, of the issue in effect on date of invitaiion for bids or request for proposal, form a part of this specification to the extent specified herein: SPECIFICATIONS , Federal NN-P-515 TT-1-735 TT-S-735 PPP-B-576 PPP-B-585 PPP-B- 59 1 PPP-B-601 PPP-B-621 PPP-B-636 PPP-C-96 PPP-D-705 .PPP-D-729 PPP-P-7
6、04 PPP-T-60 Military MIL-H-5606 Plywood, Container Grade Isopropyl Alcohol St.anda,rd Test Fluids; Hydrocarbon Box, Wood, Cleated, Veneer, Paper Overlaid Box, Wood, Wirebound Box, Fiberboard, Wood-cleated Box, Wood, Cleated-Plywood - Box, Wood, Nailed and Lock-Corner Box, Fiberboard can, Metal, 28 G
7、age and Lighter Drum, Metal Shipping, Steel (Over 12 and Under 55 Gallon) Drums: Metal, 55-Gallon (For Shipment of Noncorrosive Material) Pails, Shipping, Steel (1 through 12 Gallon) Tape, Pressure-Sensitive Adhsive, Water- proof, for Packaging Hydraulic Fluid, Petroleum Base, Aircraft, Missile, and
8、 Ordnance Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-“ . - - MIL-R-7575C 73 W 9399906 OlLLI993 B z t Military (continued) MIL-(2-9084 Cloth, Glass, Finished, for Polyester Resin Laminates MIL-L- 10547 Liners, Case, and Sheet, Overwrap; Water- Va
9、porproof or Waterproof, Flexible STANDARDS Federal Fed. Test Method Plastics; Methods of Testing Std. No. 406 Military MIL-STD-105 Sampling Procedures and Tables for Inspection by Attributes MIL- STD- 129 Markig for Shipment and Storage MIL-STD-147 Palletized Unit Loads (40 h. X 48 In. 4Way Partial
10、and 4-Way Pallets) (Copies of specifications, standards, drawings, and publica- tions required by suppliers 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 f
11、orm apart of this specification to the extent specified herein. Unless otherwise indicated, the issue in effect on date of invitation for bids or request for proposal shall apply: Uniform Classification Committee Uniform Freight Classification Rules (Application for copies of the above publication s
12、hould be addressed to the Uniform ClaSsification Committee, 202 Chicago Union Station, Chicago, Illinois 60606.) 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-7575C Interstate Commerce Commission . 49 CFR 71 - 90 Interstate Commerce Commiss
13、ion Rules and Regulations for the Transportation of ExplosiveP and Other Dangerous Articles (The Interstate Commerce Commisaw Regulations are now a part of the Code of Federal Regulations (latest cumulative pocket supplement) avail- able from the Superintendent of Docunaents, Government Printing Off
14、ice, Washington, D. C. , 20402. Orders for the above publication should cite “Code of Federal Regulations, 49 CFR 71 - 90 (Revised 1963)“). Manufacturing Chemists Association, Inc. Manual L-1 Guide to Precautionary Labeling of Hazardous Chemicals (Sixth Edition-1961) (Application for copies should b
15、e addressed to the Manu- facturing Chemists Association, Universal Building, 1825 Connecticut Avenue, Washington, D. C., 20009.) 3. REQUIREMENTS * 3.1 Preproduction - The resin furnished under this-specification .- shall be a product which has been subjected to and has passed the preproduction inspe
16、ction specified herein. * 3.1.1 One-year weathering data - As part of the preproduction requirement, the supplier shall submit certified data showing that a glass cloth . base plastic laminate, fabricated as specified in 4.3.1.1 from the resin to be furnished under this specification, has been expos
17、ed to outdoor weathering in accordance with 4.5.5 for a period of one year and has subsequently met the ap- plicable requirements of Table I. The data shall identify the geographical -location in which the outdoor weathering was accomplished. 3.2 Materials - The materials used in the manufacture of
18、the resin shall be of high quality and as specified herein. The resin shall be of the polyester, thermosetting, low pressure laminating type. The componem materials of the resin shall be such that the cured resin shall not be corrosive to metals, 3.3 Form - The resin shall be in a form (liquid or so
19、lid) - suitable for impregnating or may be furnished already impregnated on glass . fabric re-impregnated). It shall be free from foreign materials. “ Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-7575C 3.4 Chemical type - The supplier shall
20、designate the polyester base and the cross-linking agents, such as Itunsaturated alkyd-styrene.Il (See 3.9.1 (d). ) 3.5 Code number - The supplier shall designate each resin com- position by a code number that shall be used to identify the resin. The code number may include trade name if desired. An
21、y changes in the components or manufacturing procedures shall necessitate use of a different code number. Forpre-impregnated materials, those materials using the same resin but having different properties due to different impregnating conditions shall have different designations. The designation sha
22、ll consist of the resin code number with a suffix indicating impregnating conditions. 3.6 Physical and reactive properties - For liquid or solid resin, the supplier shall furnish limiting values for specific gra-My, viscosity, and acid number of the liquid uncatalyzed resin; maximum gel time and pea
23、k exotherm of the catalyzed resin; and the Barco1 hardness and specific gravity of the cured unfilled resin. For pre-impregnated material, limiting values shall be furnished for the volatile content, dry resin content, and flow. These values and the methods of determination, when not specified herei
24、n, shall be included by the supplier in the instruction sheet (3.9) and shall be considered requirements of this specification for resin of the code number or designation concerned. The supplier shall also furnish nominal values (adequate for design calculations) for the dielectric constant and loss
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