1、I INCH-POUND I MIL-PRF-29598 10 October 1996 PERFORMANCE SPECIFICATION FILM, PROTECTIVE, LEADING EDGE (PRESSURE-SENSITIVE) This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE l. 1 Scope. This specification establishes the requirements for rai
2、n erosion resistant films with a pressure-sensitive adhesive designed for exterior applications where protection from rain erosion and abrasion are desired. The films may be applied to flat, curved, or compound surfaces. 1.2 Classification. 1.2.1 Types. The films are supplied in the following types:
3、 Type I - Transparent, gloss, 0.014 inch thick, paper or plastic liner Type II - Transparent, matte, 0.014 inch thick, plastic liner Type III - Transparent, gloss, 0.018 inch thick, plastic liner Type IV - Black, matte, 0.018 inch thick, plastic liner Type V - Colored, matte, 0.014 inch thick, plast
4、ic liner Type VI - Colored, matte, 0.018 inch thick, plastic liner 1.2.2 Classes. Types V and VI are furnished in colors conforming to FED-STD-595 as follows: Class 1 - Gray Color No. 36320 Class 2 - Gray Color No. 36 1 18 Class 3 - Gray Color No. 3625 1 Class 4 - Green Color No. 34092 Beneficial co
5、mments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval Air Warfare Center Aircraft Division, Code 4141OOB120-3, Highway 547, Lakehurst, NJ 08733-5100, by using the self-addressed Standardization Do
6、cument Improvement Proposal D Form 1426) appearing at the end of this document or by letter. AMSC NIA FSC 9330 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Licensed by Information Handling ServicesProvided by IHSNot for ResaleNo reproduction or networking permitt
7、ed without license from IHS-,-,- - MIL-PRF-29596 W 9999906 202bb02 842 MIL-PRF-29598 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents cited in other sections of this specificatio
8、n or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements documents cited in sections 3 and 4 of this specification, whether or not they are listed.
9、 2.2 Government documents. 2.2.1 Specifications. standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of
10、Defense Index of Specifications and Standards (DODES) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS FEDERAL QQ-A-250/5 - Aluminum Alloy Alclad 2024, Plate and Sheet DEPARTMENT OF DEFENSE =H-5606 - MILT-5624 - MILL7808 - MILA-8243 - MILL23699 - MIL-H-83282 - MILC-85570 -
11、 STANDARDS FEDERAL FED-STD-595 - Hydraulic Fluid, Petroleum Base, Aircraft, Missile and Ordnance Turbine Fuel, Aviation, Grades JP-4, P-5, and JP-5/P-8 ST Lubricating Oil, Aircraft Turbine Engine, Synthetic Base, NATO Number 0-148 Anti-icing and Deicing-Defrosting Fluid Lubricating Oil, Aircraft Tur
12、bine Engine, Synthetic Base, NATO Code Number 0-156 Hydraulic Fluid, Fire Resistant, Synthetic Hydrocarbon Base, Aircraft, Metric, NATO Code Number H-537 Cleaning Compound, Aircraft, Exterior Colors used in Government procurement 2 Provided by IHSNot for ResaleNo reproduction or networking permitted
13、 without license from IHS-,-,- fiIL-p.RF-29598 9999906 202bb03 789 m MIL-PRF-29598 (Unless otherwise indicated, copies of the above specifications, standards and handbooks are available from the DoDSSP - Customer Service, Standardization Documents Order Desk, 700 Robbins Avenue, Bldg. 4D, Philadelph
14、ia, PA 191 11-5094.) 2.3 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 listed in the issue of the DoDISS cited in the solicitation. Unless other
15、wise specified, the issues of documents not listed in the DoDISS are the issues of the documents cited in the solicitation (see 6.2). AMEMCAN SOCIETY FOR TESTING AND MATEFUILS (AST“) AST“C501 AST“D882 AST“D1938 AST“D2240 ASTM-D2244 AST“D2457 AST“D2520 AST“D3330 AST“D3652 AST“D37 15 AST“G53 Relative
16、Resistance to Wear of Unglazed Ceramic Tile by Taber Abraser, Standard Test Method for OD Adopted) Tensile Properties of Thin Plastic Sheeting, Standard Test Method for OD Adopted) Tear Propagation Resistance of Plastic Film and Thin Sheeting by a Single-Tear Method, Standard Test Method for Rubber
17、Property - Durometer Hardness, Standard Test Method for OD Adopted) Color Coordinates, Calculation of color Differences from Instrumentally Measured, Standard Test Method for OD Adopted) Specular Gloss of Plastic Films and Solid Plastics, Standard Test Method for OD Adopted) Complex Permittivity (Di
18、electric Constant) of Solid Elecbical Insulating Materials at Microwave Frequencies and Temperatures to 165OoC, Standard Test Method for OD Adopted) Peel Adhesion of Pressure-sensitive Tape at 180“ Angle, Standard Test Method for (DoD Adopted) Thickness of Pressure-sensitive and Gummed Tapes, Standa
19、rd Test Method for OD Adopted) Quality Assurance of Pressure-sensitive Tapes, Standard practice for OD Adopted) Operating Light- and Water- Exposure Apparatus (Fluorescent UV-Condensation Type) for Exposure of Nonmetallic Materials, Standard Practice for OD Adopted) (Application for copies should be
20、 addressed to American Society for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.) 2.4 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 the docume
21、nt, 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-PRF-29598 m 9999906 202bbO4 615 m “PM-29598 however, supersedes applicable laws and regulations, unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specifi
22、ed (see 6.2), a sample shall be subjected to fmt article inspection in accordance with 4.3. 3.2 Materials. The pressure-sensitive adhesive coated films shall be capable of performing in the temperature range of -65“ to +275“ F (-54“ to +135“ C). 3.2.1 Adhesive. The adhesive shall be pressure-sensiti
23、ve, water-resistant, fuel-resistant, solvent-resistant, homogeneous, and coated in a smooth and evenly distributed layer on one side of the film backing. The adhesive shall adhere immediately and firmly to the clean dry surfaces when applied as recommended by the manufacturer. The adhesive shall be
24、covered with a strippable protective liner (see 3.2.3). 3.2.2 Film backing. The plastic film backing shall be color-stable polyurethane designed to provide protection against rain erosion and abrasion. The film backing shall be capable of being heat formed to fit compound curves. 3.2.3 Liner. The ad
25、hesive shall be covered with a liner that shall strip easily and cleanly hm the adhesive without adhesive transfer. Type I film shall be protected with a treated paper or plastic liner. Types II, III, IV, V and VI shall use a plastic liner that shall be capable of being heat formed. The plastic line
26、r supplied with types II, III, IV and V shall be either slit in 1.0 inch (in.) (25.4 millimeters (mm) increments parallel to the length of the roll or non-slit (see 6.2 and 6.5). 3.3 Finished film. 3.3.1 Rolls. The film shall be uniformly and smoothly wound in rolls, liner side out, on cores having
27、an inside diameter of 3 in. +1/16, -0 in. The cores shall not distort under normal conditions of use. The film shall be in one continuous strip, except any single roll may contain up to three splices, provided the percentage of spliced rolls & any shipment does not exceed a reasonable proportion bas
28、ed on standard manufacturing practice. Each roll shall be marked in the core or on the edge of the core with numerals or letters indicating the month and year of manufacture. Additionally, the manufacturers nime and product designation shall be stamped in the core. 3.3.1.1 Length. The length of film
29、 on each roll shall be 36 yards. 3.3.2 Width. The film shall be supplied in widths up to not more than 48 in. (see 6.2). The width tolerance shall be W16 in. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-29598 W 9999906 202bb05 551 MIL-PR
30、F-29598 TABLE I. Film physical prooerties. rensile, pounddinch width, minimum Initial After weathering (see 4.6.9) Elongation, percent, minimum Initial After weathering (see 4.6.9) Abrasion resistance, grams max. Initial After weathering Hardness, Shore A rhickness, in., minimum in., maximum Adhesio
31、n, ouncehich width minimum Initial After weathering (see 4.6.9) After 24 hours immersion in distilled water After 72 hours immersion in turbine fuel (MIL-T-5624) After 72 hours immersion in hydraulic fluid (MIL-H-5606) After 24 hours immersion in lubricating oil (MIL-L-7808) After 24 hours immersion
32、 in deicing fluid (MIL-A-8243) After 24 hours immersion in cleaning fluid (MIL-C-85570) After 24 hours immersion in hydraulic fluid (MIL-H-82382) After 24 hours immersion in lubricating oil (MIL-L-23699) Adhesion to liner, ouncdinch width, maximum Tear, pounds, minimum Initial After weathering (4.6.
33、9) Types I&n 80 35 450 300 4.10 4.15 80 0.0125 0.0155 20 140 95 18 60 55 55 18 60 55 10 3.6 1.5 5 Types m&N 95 50 450 325 4.10 4.15 80 0.016 0.020 20 140 95 18 60 40 40 18 60 40 10 5 .O 2.3 Type V 80 60 450 350 4.10 4.15 80 0.0125 0.0155 20 140 95 18 60 55 55 18 60 55 10 3.6 3 .O Type VI 160 120 450
34、 400 4.10 4.15 80 0.025 0.030 20 140 95 18 60 40 40 18 60 40 10 7.5 7.5 Test Paragraph 4.6.1 4.6.1 4.6.1 4.6.1 4.6.2 4.6.2 4.6.3 4.6.4 4.6.4 4.6.5 4.6.5 4.6.5 4.6.5 4.6.5 4.6.5 4.6.5 4.6.5 4.6.5 4.6.5 4.6.5 4.6.10 4.6.10 Provided by IHSNot for ResaleNo reproduction or networking permitted without li
35、cense from IHS-,-,-MIL-PM-29598 3.3.3 Thickness. The thickness of the film, consisting of only the adhesive and backing, shall be within the limits specX1ed in table I. 3.3.4 Color. Types I, II, and III shall be transparent and shall remain transparent during their service life. Types V and VI shall
36、 be color coded by class and shall approximate the respective colors of FED-STD-595 with a maximum AE of 3, as measured against the color standard card, using a colorimeter, CELAI3 system illuminant D65 -10“ as specified in AST“D2244. The color coding shall be as indicated in 1.2.2. 3.3.5 Surface fm
37、ish. 3.3.5.1 Gloss. Types I and III shall have a minimum 60“ specular gloss of 10 when tested as specified in AST“D2457. 3.3.5.2 Matte. Types II, IV, V and VI shall have a matte finish. 3.4 Electrical promrties. Types I, II, and V shall have a dielectric constant of less than 3.1 and a loss tangent
38、no greater than 0.025 at a frequency of 9.375 gigahertz (GHz) when treated by transmission-reflection in coax (see 4.6.6). 3.5 Rain erosion (Tws I. IL III, IV. and V). The film shall exhibit no deterioration after a minimum of 90 minutes of exposure to the rain-erosion conditions specified in 4.6.7.
39、 3.6 Rain erosion (Tm VI). The film shall show no deterioration that affects serviceability after a minimum of 75 minutes of exposure to the rain erosion conditions specified in 4.6.8. 3.7 Physical Drouerties. The film shall comply with the physical requirements in table I. 3.8 work mans hi. Workman
40、ship shall be in accordance with the best commercial practice. The film shall be free from foreign matter and defects that may impair its serviceabiLity or appearance. The adhesive shall be a smooth uniform coating (see 3.2. l), covering the entire area of one side of the backing. The edges of the f
41、ilm shall be straight, true, and unbroken. 4. VERIFICATION a. First article inspection (see 4.3) b. Conformance inspection (see 4.4) 4.2 Inswction conditions. Unless otherwise specified, all inspections shall be performed in accordance with the test conditions specified in the applicable test method
42、 or test paragraph in this specification. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-29598 999990b 202bb07 324 MIL-PW-29598 4.3 First article inspection. First article tests shall consist of all the inspections designated as first arti
43、cle in table II. First time suppliers to this specification shall perform the first article inspections (see 6.3). 4.3.1 First article sampling instructions. First article inspection samples shall consist of at least 2 rolls of frlm of the type and class being procured. Each roll shall be at least 2
44、 inches wide. The samples shall be forwarded to the test facility designated by the procar (see 6.2). Samples shall be marked with the following information: Samples for first article inspection MLPRF-29598, Film, Protective, Leading Edge (pressure-Sensitive)“ Manufacturers name and address of plant
45、 of manufacture Manufacturers designation Date of manufacture Submitted by (name) (date) for first article inspection 4.4 Conformance insmtion. Conformance inspection shall consist of end item visual examination (see 4.4.1), and physical property testing (see 4.4.2). The lot size, sampling for inspe
46、ction, and the inspecting procedures shall be as specified in AST“D3715, except there shd be no defects. TABLE II. Test methods. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-29598 4.4.1 End item examination. Conformance end item examinat
47、ion shall be conducted in accordance with AST“D37 15. 4.4.2 Physical uromrty testin% Physical property tests shall be those designated quality conformance in table It. There shall be no failures. 4.5 Standard conditions. Unless otherwise specified in the applicable test method or paragraph, standard
48、 conditions shall be defined as 75“ 6F and relative humidity (RH) of 50 +5 percent. 4.6 Test methods. 4.6.1 Tensile and elonpation. The tensile and elongation shall be determined as described in AST“D882, except that jaws other than those in the method are permitted to be used. The sample size shall
49、 be 1 .O by 6.0 inches. The jaw separation shall be 3.0 inches and the cross head rate shall be 5.0 inches per minute. 4.6.2 Abrasion resistance. The abrasion resistance shall be determined as specified in AST“C501 except the abrasive wheel shall be H-18, the weight shall be lo00 grams and the number of cycles shall be 1o00. The film specimens shall be applied to a steel plate designed to fit the Taber Abraser being us
