1、! MIL-F-7070 73 9777706 0323775 T MIL-F-87090 (SA) 5 November 1981 MILITARY SPECIFICATION FOAM, COMBUSTION RETARDANT, FOR CUSHIONING SUPPLY ITEMS ABOARD NAVY SHIPS This mecification is approved for use by the Department of the Navv, and is available for use by all Departments and Agencies of the Dep
2、artment of Defense. 1. SCOPE 1.1 Scope. This specification covers inherently combustion retardant ilexible with low emission of smoke and toxic products to be used for the protection foams of fragile items aboard Navy ships., These foams include, but are not npcessarily limited to polyimide types. 1
3、.2 Classification. The flexible foam should be furnished in the following classes and grades: Class 1 - Sheet stock, specified thickness Class 2 - Die cut to soecified shape and thickness 2. APPLICABLE DOCUMENTS 2.1 Issues of Documents. The.following documents of the issue in effect on the date of i
4、nvitation for bids or request for proposal, form a part of this specification to the extent specified herein: SPECIFICATIONS FEDERAL PPP-B-636 - Boxes, shipping, fiberboard MILITARY MIL-P-26514 - Polyurethane Foam, Rigid or Flexible for Packaging Benefic,ial comments (recommendations, additions, del
5、etions) and any pertinent data which may be of use in improving chis document should be addressed to: Fitting Out Siipply.Assistance Team, Naval, Base, Norfolk, VA 23512 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426 appearing at the end of this document or b
6、y letter. DELIVERABLE DATAIS NOT REQUIRED BY THIS DOCUMENT Page 1 of 7 FSC 9330 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-87090 (SA) STANDARDS FEDERAL FED-STn-313 MILITARY MIL-STD-1188 - Material of Safety Data Sheets Preparation and the
7、Submission of - Commercial Packaging of Supplies and Equipment (Copies of specifications, standards, drawings, and publications 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
8、 Publications The following documents form a part 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. AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM D-759 Tests of Plastics
9、at Subnormal and Supernormal Temperatures. ASTM D-1596 Shock Absorbing Characteristics of Package Cushioning Materials. ASTM D-2843 Density of Smoke from Burning or Decomposition of Plastics. ASTM D-2863 Minimum.Oxygen Concentration to Support Combustion. ASTM D-3574 Flexible Cellular Material Testi
10、ng. ASTM I-162 Surface Flammability of Materials. ASTM F-501 Resoonse to Flame With Vertical Test Specimen. (Applications for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103). 2.2.1 Order of Precedence. In the event of a conflict
11、 between the text.of this specification and the references cited herein, the text of this specification shall take precedence. 3. REQUIREMENTS 3.1 Dynamic Properties, The foam shall meet the.dynamic cushioning requirements for Type II, Class 2 material as specified in MIL-P-26514, (see 4.3.3.1). Pag
12、e 2 ;of 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-7070 73 7777906 0223777 3 MIL-F-8 7090 ( SA) 3.2 Safety for Shipboard Use, 3.2.1 All products furnisled under this specification shall be of materials subject to approval by the Navy Env
13、ironmental Health Center, Norfolk, Virginia. Prospective suppliers shall submit completed Material Safety Data Sheets (OSHA Form 201, (see FED-STD-313 for instructions) and in addition all data and information noted in Table I and herein with their bids. 3.2.1.1 a. Data and Information to be Submitt
14、ed. A complete listing of all ingredients contained in the foam is required. All ingredients present in quantities greater than 5% (by weight) mustbe stated within plus or minus 5%. Those constituents present inquantities less than 5% (by weight) may be estimated to the nearest plus or minus 0.5%, a
15、nd those materials present in quantities of less than 0.5% (by weight) may be stated as such. Statements such as “does not form hazardous mixtures with other mixtures, solids or gasses“ are not acceptable. foam const,ituents must be provided. A full delineation of the b. A listing af toxic or potent
16、ially toxic gasses/pyrolysis products .evolved when the foam is subjected to chemical or thermal degradation is required. magnitude of pyrolysis products evolved during burning of polyimide foam shall also be provided for. review. but not be limited to HF, SO2, H2S, CO and HCN. health effects which
17、may be experienced by persons engaged in firefighting or damage control.operations involving exposure to pyrolysis products from the foam shall be provided. Reports of any studies conducted to quantify the nature and Gaseous products sampled shall include, c. Copies of any available test or other re
18、ports relating to adverse d. A complete listing (with percentage amounts) of any.flame-retardant chemicals utilized in the chemical components together with the percentage of each present in the foam is also required. possibility of neurotoxic agents being released from the foam which may constitute
19、 a health hazard to personnel from normal foam decomposition products (e.g., carbon monoxide, carbon dioxide, water, hydrogen cyanide, gaseous hydro- carbons, etc.). Of particular concern is the 3.2.2 PreproductionTesting Requirements. After appraval of the Material Safety Data Sheet (OSHA Form 20)
20、and prior to beginning production the contractor shall manufacture preproduction sample quantities of the foam (using the same process by which he will produce the foam to be delivered to the Navy) and per- form the test and evaluation described following: 3.2.2.1 Den.sity - The density shall be bet
21、ween 0.4 to 0.8 lbs. per CU. ft. when tested as noted in-paragraph 4.3.2.1 Page 3 of 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-8 7090( SA) Shee,t Size 4 x 8 2 x 4 2 x 2 3.2.2.2 Service Temperature - The foam shall remain flexible at all
22、 temper- atures from - 110“ F to 527O F when tested as specified in paragraph 4.3.2.2. Thickness 1/2“ Thick, Min to 6“ Thick, Max. (All Sheet Sizes) 3,2.2,3 Vertical Burn - The flame time shall be O seconds, burn length (clear) 1.2 inches maximum and no dripping when a flame is applied as specified
23、in paragraph 4.3.2.3. 3.2.2.4 Smoke Generation - There shall be no more than 4% smoke generation when tested in accordance with paragraph 4.3.24. 3.2.2.5 Oxygen Index - The oxygen index shall be no less than 40% when tested as specified in paragraph 4.3.2.5. 3.2.2.6 Flame Spread - The surface flame
24、spread index shall not exceed 1.0 when tested as noted in paragraph 4.3.2.6, 3.2.2.7 Ce11 Size - Maximum cell diameter shall be 0.20 inch. No more than 25% of the projected area of any cut.section of foam shall consist of cells between 0.125 inch diameter and 0.20 inch diameter. All other cells shal
25、l be smaller than ,0125 when evaluated as described in paragraph 4.3.2.7. 3.2.2.8 Health.Hazard. The hazardous products of combustion given off at elevated temperatures shall not exceed the Threshold Limit Values (TLV) for the respective materials as listed by OSHA. ment perlods aboard combatant shi
26、ps, the material shall have no adverse effect on the health of personnel when used for its.intended purpose. to this effect shall be referred by the contracting activity to the departmental medical service who.wi.11 act as an advisor to the contracting agency. When the material is used during normal
27、 deploy- Questions pertinent 3.3 A detailed report of this testing shall be submitted to the Government for approval, submitted and advise the Contractor of its approval or disapproval. The Government will have 14 days in which to evaluate the data 3.4 Any work performed or material required for the
28、 designated production quantities in advance of approval by the Government of testing results shall, be at the Contractors risk. 3.5 Color Ail sheets of the foam shall be distinctively marked to distinguish it from other more combustible foams. and there shall be uniformity of marking from sheet: to
29、 sheet. Marking shall be repeated at 6“ spacing 3.6 Sheet Size and Thickness 3.6.1 Class I Page 4 of 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-7090 93 = 9999906 0323779 7 UNITS # OF SAMPLES ASTM TES ft. I lbs./ CU ._ 5 D-3574 3.6.2 Clas
30、s II - Foams shall be sized as specified by the procuring agency. Sizes up to 4 cubes with specified recesses shall be produced by molding or bv die cutting and assembly using flexible adhesive. PROPERTY Density TABLE I PHYSICAL REQUIREEENTS REQUIREMENTS 0.4 to 0.8 Cushioning properties Vertical Bur
31、n Flame time Burn length Dripping I -1100 to +5270 Service temps. must comply w/ MIL-P-26514 at extreme temps. O none 1.2 rnax. seconds inches - Smoke generation 3% max. 40% min. Flame spread 1.0 max. 3 F-501 3 F-501 3 F-501 Cell Diam. Max. Cell Di. 0.20 max. from O. 125 to 0.20“ Dia. 25% Max. I OF
32、I I D759 D-1596 I 5 I accelera- tion x I 7 I D-2843 7 I D-2863 % 5 REMARKS Test A only Perform D-1596 Per MIL-P-26514 Per Spec. MIL-P-26514 Type II, Class 2 Light absorption Visual exam, of 1“ x 4“ Projected area (ink stamped) 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection. Unless
33、 noted otherwise in the contract, the contractor is responsible for the performance of all inspection and tests requirements as specified herein. other facility suitable for the. performance of the inspection requirements .noted herein unless disapproved by the Government. The Government reserves th
34、e right to perform any of the inspections set forth in this specification where such inspections. are deemed necessary to insure conformance. contractor shall notify the Government in writing at least 5 days before the performance of tests so that the Government may witness these tests at the The co
35、ntractor may use his om or any The Page 5 of 7 . . . . - . . ; . .- . .-. . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-87090 (SA) contractors or any other locations according to their prerogative. .tested shall be in addition to those.deli
36、vered to the Government and shall be typical of the material and manufacturing processes of the delivered material. Test results shall be submitted to the Government prior to shipment. Paragraph 3.3.2 above), noted herein the lot shall be rejected. The samples (Refer to If any of the test samples fa
37、il to meet the requirements 4.2 Classification of Inspection. The inspections shall be classified as f 01 lows : ai Pre-production inspection and test. b. Production lot tests. 4.3. Sampling, Test and Inspection, 4.3.1 _Lpt:. For purposes of sampling a lot shall consist of all foam sliced or cut fro
38、m one foam bun. 4.3.2 Pre-production Inspection and Test-. The pre-production (and Droduction) samples shall be taken from different locations throughout the foam bun. samples shall be representative of the entire pre-production lot, for any simgle inspection or test shall be foam selected from sena
39、rated locations within the foam (bun or lot). formed on the pre-production lor. shall be as listed in Table I using the following procedures: The Earh sample The inspection and tests to be per- . The density shall be as shown in Table I and para. 3.2.2.1 evaluated in accordance with specification AS
40、TM D-3574, Test A. If any sample falls outside the range given in Table I the lot shall be rejected, 4,3.2,2 Service Temperature. The cushioning properties of the foam shall not vary more than 5 10% at -1100 and 527OF compared to the same propertv at room ambient temperatures when tested as specifie
41、d in MIL-P-26514, for Type II Class 2 foams. 4.3.2.3 Vertical-Burn. The flame time, burn length and amount of dripping shall be as noted in Table I and para. 3.2.2.3 when tested in accordance with specification ASM F-501. 4.3.2.4 Smoke Generation. When tested as specified in ASTM D-2843, there shall
42、 be no more light absorbed than noted in Table and para. 3.2.2.4. 4.3.2.5 Oxygen Index. The limiting oxygen index shall be not less ehan that noted in Table I and para. 3.2.2.5 when tested by specification ASTM D-2863. The flame spread index shall be no more than that 4.3.2.6 Flame Spread. indicated
43、 in Table I and para. 3.2.2.6 when tested as specified in ASTM E-162. Page 6 of 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-87090 93 m 9799706 0123781 5 m 4.3.2.7 Cell Size. The maximum cell size and the cells larger than 0.125 shall be n
44、o more than that shown in Table I and para. 3.2.2.7. When evaluated by visual inspection (and calculation) using a 10 x magnification industrial microscope. Give samples, randomly selected, with smooth cut flat surfaces at least 1“ x 4“ in size shall be inked and imprinted on smooth white paper for
45、this inspection. or the projected area range (3.2.2.7) the lot shall be rejected (see 6.1). If any sample falls outside the maximum cellshe 4.3.2.8 Health Hazard. The toxic products of combustion of th material shall not exceed OSHA standards under normal shipboard conditions, when ignited by hot ci
46、garettes and welding and cutting torch hot metal splatter. 4.3.3 Production Lot Test. Each production lot shall.have samples taken in the manner described in para. 4.3.2. formulation or production methods a new pre-produ-ction inspection and tests shall be conducted (see 4.3.2). then the following p
47、roduction lot tests shall be conducted.on each production lot. If there has been any change in If there has been no change of formulation or method 4.3.3.1 Dynamic Properties. Five samples randomly selected from each lot shall be tested as specified for Type 11, Class 2 material in MIL-P-26514. samp
48、les shall comply with the cushioning characteristics for grade A, B, or C foam as specified in the RFP. MIL-P-26514 does not necessarily apply to the same densities of these polyimide type foams. The The densities noted in Figures 4, 5, and 6 of 5. PACKAGING Packaging shall comply with MIL-STD-1188
49、and shall be adequate for safe shipment, handling and delivery at the destination Packaging and packing shall be such that the Class I material lays flat. not be compressed or deformed in-packaging and packing. shall comply with specification PPP-B-636. Class II material shall Fiberboard cartons 6. NOTES 6.1 If cell size requirements (see 4.3.2.7) can be met by.selectively trimming off the out of tolerance material, this action
