1、I MIL-R-17707D 20 777770b 0437677 1 1 INCH-POUND 1 MIL-R-I 99071) 13 June 1990 SUPERSEDING 7 September 1960 MIL-R-19907C MILITARY SPECIFICATION REPAIR KIT, GLASS REINFORCED PLASTIC LAMINATE This speccation is approved for use by all departments and agencies of the Department of Defense. 1. SCOPE i 1
2、.1 Scope. This specification covers a repair kit containing epoxy type thermosetting resins, in paste and liquid forms, with associate hardener, and glass reinforcing materials. This kit is used for making repairs to sections of reinforced plastic boats and other structures. 1.2 Classification. Repa
3、ir kits shall be of the following types, as specified (see 6.2): Type I - Standard repair kit Type II - Refill kit Type III - Special Kit 2. APPLICABLEDOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. The following specifications and standards form a part of this document to th
4、e extent specified herein. Unless otherwise specified, the issues of these documents shall be 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). Beneficial comments (recommendations, addit
5、ions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval Sea Systems Command, SEA 5523, Depart- ment of the Navy, Washington, DC 20362-5101 by using the self-addressed Standardization Document Improve- ment Proposal (DD Form 1426
6、) appearing at the end of this document or by letter. AMSC NIA FSC 2090 DISTRIBUTION STATEMENT k Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIGR-19907D SPECIFICATIONS FEDERAL GG-D-226 H-B-2
7、92 L-P-375 PPP-C-96 PPP-c- 186 PPP-(2-795 PPP-F-320 uu-P-268 MILITARY MIL-Y-1 140 MIL-P-17549 MIL-L-19140 MIGC-19663 MILM-43248 STANDARDS FEDERAL FED-STD-313 FED-STD-791 MILITARY MIL-STD-105 MIL-STD-2073-1 Depressor, Tongue, Wood Brush, Adhesive, (Glue) Plastic Film, Flexible, Vinj, Chxide Cans, Met
8、al, 28 Gage and Lighter Containers, Packaging, and Packing for Drugs, Chemicals, and Pharmaceuticals Cushioning Material, Packaging (Flexible Cellular, Plastic Film) for Packaging Applications Fiberboard; Corrugated and Solid, Sheet Stock (Container Grade), and Cut Shapes Paper, Kraft, Wrapping Yarn
9、, Cord, Sleeving, Cloth and Tape-Glass Plastic Laminates, Fibrous Glass Reinforced, Marine Structural Lumber and Plywood, Fire-Retardant Treated Cloth, Woven Roving, for Plastic Laminate Mats, Reinforcing, Glass Fiber Material Safety Data Sheets, Transportation Data and Disposal Data for Hazardous M
10、aterial Furnished to Government Activities Lubricants, Liquid Fuels, and Related Products; Methods of Testing Sampling Procedures and Tables for Inspection by Attributes DOD Material Procedures for Development and Application of Packaging Requirements 2 l I l I 1 1 I I l I l l l l I l I I I I I I I
11、1 I 1 1 I i I I I I I l l I 1 I l Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-L9407D 20 W 799990b 0437699 L W MILR-19907D (Unless otherwise indicated, copies of federal and military specifications and standards are available from the Naval
12、Publications and Forms Center, (ATIN: NPODS), 5801 Tabor Avenue, Philadelphia, PA 19120-5099.) 22 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 those
13、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 SOCIETY FOR TESTING AND MATERIALS (ASTM) C 613 Standard Test Method for Resin Conten
14、t of Carbon and Graphite Prepregs by Solvent Extraction; (DOD adopted) D 217 Standard Test Methods for Cone Penetration of Lubricating Grease; (DOD adopted) D 638 Standard Test Methods for Tensile Properties of Plastics; (DOD adopted) (Application for copies should be addressed to the American Socie
15、ty for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) (Non-Government standards and other publications are normally available from the organizations that prepare or distribute the documents. These documents also may be available in or through libraries of other information service
16、s.) 23 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, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIR
17、EMENTS 3.1 First article. When specified isee 6.2), a sample shall be subjected to first article inspection (see 6.3) in accordance with 4.3. 3.2 Materials. Materials shall be free from contaminants and foreign or extraneous matter which may affect the performance characteristics of the resins or re
18、inforcing materials as determined by first article test (see 4.3). 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_-_ I I MIL-R-L7707D 20 a 777770b 0437700 4 W MIL-R-19907D 3.3 Characteristics. 33.1 Contents. The contents of the kits shall be as i
19、ndicated below. 33.1.1 Type I kit. Item 1. Resin liquid 2. Resin liquid 3. Hardener, liquid . 4. Hardener, liquid . 5. Resin, paste 6. Hardener, paste . 7. Glass cloth . 8. Woven roving cloth . 9. Glass mat . 10. Polyethylene gloves 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. Separating film . Eye p
20、rotection Wooden spatula (small) . Wooden stirring rods . Stirring spatula . Spreading tool Brush, glue Paper, kraft wrapping . Sandpaper, aluminum oxide, 80 grit . Scissors . Instruction publication . . unit Reference 3 each 24 fluid ounces in 1-quart can 3 each 12 fluid ounces in 1-pint can . 3 ea
21、ch 1/2-pint container . 3 each 1/4-pint container . 5 each 60 cubic centimeters (CM3) 5 each collapsible tubes . 3 square yards 5 square yards 6 square feet . 6 pairs (3 pairs medium size 7-9 and 3 pairs large size 9-11) . leach . 10 each 5 each . 5each . leach . 4each . 3 square yards in collapsibl
22、e tubes . 4 square yards 2 sheets leach . 1 copy . 3.3.2 3.3.2 3.3.3 3.3.3 d 3.3.5 3.3.6 3.3.8.1 3.3.8.2 3.3.8.3 3.3.10 3.3.9 3.3.10 3.3.11 3.3.12 3.3.12 3.3.13 3.3.14 3.3.15 3.3.16 3.3.16 3.3.17 3.3.1.2 Type II kit. The type II kit shall contain the same items as type I down through item 10, except
23、 the paste resin and hardener shall be reduced to two tubes each. 3.3.1.3 Type III kit. The type III kit shall contain only those materials, items, and quantities selected by the using activity (see 6.2). It is expected that this kit will be ordered with resin, hardener, and one or more types of fib
24、erglass reinforcement. Any other items or fewer items may be included. However, the quantity of hardener supplied shall be proper to fully react the quantity of resin supplied to provide conformance to 3.3.4 and 3.3.7.4, as appropriate, when mixed one container of hardener to one container of resin,
25、 as supplied. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILR-19907D 33.2 Liquid resin. The liquid resin shall be of a thermosetting epoxy type, compounded with or without additional filler and shall be as specified in 3.3.2.1 through 3.3.2.3.
26、 33.21 ViscoSity. The liquid resin shall have a viscosity of not less than 5,000 centipoises and not more than 25,000 centipoises at 23 degrees Celsius (“C) (see 4.6.4.1). 3.3.22 Stability. The liquid resin shall be stable for a minimum period of 12 months (see 4.6.4.2). 3.3.23 Hash point. The liqui
27、d resin shall have a flash point greater than 121 “C (250 degrees Fahrenheit (“F) as determined by the Cleveland open cup flash point method specified in test method 1103.7 of FED-STD-791. 3.3.3 Liquid hardener. The liquid hardener shall be a liquid that shall mix eusil-; -;3 the resin, and shall co
28、nform to 3.3.3.1 through 3.3.3.3. 3.3.3.1 ViscoSity. The liquid hardener shall have a viscosity of not more than 25,000 centipoises at 23C (see 4.6.5.1). 3.3.3.2 Stability. The liquid hardener shall be stable for a minimum period of 12 months (see 4.6.5.2). 3.3.3.3 Hash point. The liquid hardener sh
29、all have a flash point greater than 93.3 “C (200 OF) as determined by the Cleveland open cup flash point method specified in test method 1103.7 of FED-STD-791. 3.3.4 Performance requirements for liquid resin and hardener. The two-component system consisting of liquid resin and hardener, when mixed o
30、ne can of resin to one can of hardener in the proportions supplied in the containers, shall have the following characteristics: a. V%cmity. The liquid resin and hardener shall have a viscosity of not less than 5,000 centipoises and not more than 18,O centipoises (see 4.6.6.1). b. Reaction time. The
31、liquid resin and hardener shall react in not less than 25 minutes and not more than 60 minutes after combining (see 4.6.6.2). No external heat shall be applied for initiating the reaction or for curing. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,
32、-,-MIL-R-19707D 20 9999906 0437702 MIL-R-19907D c. Test patches. The liquid resin and hardener, when used to make test patches (see 4.6.3) combined with the reinforcing fibrous glass materiais, and when applied, shall produce patch specimens having the following physical properties (see 4.6.3): Aver
33、age flexural breaking load . . . . . . Average tensile breaking load . . . . . , . Dry, 25 pounds, minimum Wet, 25 pounds, minimum Dry, 860 pounds, minimum d. Filler. Filler, where used in the liquid resin-hardener formulation, shall be inorganic and shall not exceed 8 percent by weight (see 4.6.2).
34、 33.5 Paste resin. The paste resin shall be of a thermosetting epoxy type compounded with filler material. It shall mix easily with the hardener, and shall be as specified in 3.3.5.1 through 3.3.5.4. 3.3.5.1 Consistency. The paste resin shall have a penetration value of 300 to 180 (in 1/10 millimete
35、r units) (see 4.6.8.1). 3.3.5.2 Color. The paste resin shall be white in color, so that when mixed with the black hardener, the mixture will blend into a grey color to indicate that the materials have been homogeneously mixed. 3.3.53 Stability. The paste resin shall be stable for a minimum period of
36、 12 months (see 4.6.8.2). 3354 Quantity- The paste resin shall be furnished in units of 60 f. 10 cm3 (approximately 2 fluid ounces), packaged in a collapsible metal or plastic tube with a screw top cap. 33.6 Paste hardener. The paste hardener shall mix easily with the paste resin, react as specified
37、 in 3.3.7, and shall be as specified in 3.3.6.1 through 3.3.6.4. 33.6.1 Consistency. The paste hardener shall have a penetration value of 300 to 180 (in 1/10 millimeter units) (see 4.6.8.1). 3.3.6.2 Color. The paste hardener shall be black in color, so that when properly mixed with the white paste r
38、esin, the mixture will blend into a grey color to indicate that the materials have been homogeneously mixed. 33.63 Stability. The paste hardener shall be stable for a minimum period of 12 months (see 4.6.8.2). 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license fro
39、m IHS-,-,-. MIL-R-17707D 20 W 7777906 0437703 T MIL-R-19907D 3.3.6.4 Quantity. The quantity supplied shall react with the 60 cm3 of paste resin supplied in each resin tube, and the resultant mixture shall conform to 3.3.7. The paste hardener shall be packaged in a collapsible metal or plastic tube w
40、ith a screw cap. The size of the tube opening shall provide that the volume of hardener extruded from the tube in a unit length shall be the amount required to properly react with the quantity of resin extruded from the resin tube in an equivalent unit length. 3.3.7 Performance requirements for past
41、e resin and hardener. The paste resin and hardener, when mixed in the proportions supplied in the collapsible tubes, shall conform to 3.3.7.1 through 3.3.7.4. a 3.3.7.1 Reaction time. The paste resin and hardener, when mixed (see 4.6.9.1), shall react (harden) in not less than 20 minutes and not mor
42、e than 50 minutes after combining. No external i heat shall be applied for initiating the reaction or for curing. 3.3.7.2 Ratio. The ratio of paste hardener to paste resin that is necessary to obtain a cure shall be constant and as supplied in the collapsible metal tubes. The sizes of the openings o
43、f the tubes of resin and hardener shall permit the proper ratio of resin and hardener to be expelled when equal lengths of paste material are used. 3.3.7.3 How. The paste resin and hardener, when mixed and applied (see 4.6.9.2), shall not * flow. 3.3.7.4 Test patches. The paste resin and hardener, w
44、hen used to make test patches (see 4.6.7) and when applied, shall produce patch specimens having the following physical properties (see 4.6.7.4 and 4.6.7.5). a. b. Average flexural breaking strength, dry . . . . . . . . . . . . Average tensile breaking strength, dry . . . , . . . . . . . . . 4,000 p
45、ounds per square inch (lb/in2 2,500 lb/in 3.3.8 Glass reinforcements. Glass reinforcements shall be of the following types and include a finish on the fiber (such as VOLAN A) so that they are compatible with the epoxy resin provided as specified herein. The reinforcement system shall provide for goo
46、d wetting of the fiber and high wet strength retention of the laminated patch, 3.3.8.1 Glass fiber cloth. The glass fiber cloth shall conform to form 4, class C, type 1000- 150 of MILY-1140. The material shall be supplied in, at most, two pieces whose total area shall be at least 3 square yards. No
47、single piece shall be less than 1 yard square. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-17907D 20 0 797770b 0437704 L H MIL-R-19907D 33-82 Woven roving. Woven roving shall conform to MIL-(2-19663, of nominal 24 ounces per square yard.
48、Material shall be in two pieces at most, totalling 5 square yards, and no piece shall be smaller than 1 yard square. 33.8.3 Fibrous glass mat. The fibrous glass mat shall conform to type I, class 1 of military specification MIL-M-43248, 1-1/2 ounces per square foot. Six square feet minimum in one pi
49、ece shail be provided. 33.9 Separating film. The separating film shall consist of one piece of vinyl film at least 4 square yards in area and not less than 1 yard wide, The material shall conform to type I, class 1 of LP-375, 0.0040 get medical attention for eyes. CAUTION Use only with liquid epoxy resin provided in this kit.“ 35.21 Marking for larger container. In addition to the above markings, the larger (1/2-pint size) liqui
