1、 MIL-DTL-32235A 15 September 2010 INCH-POUND SUPERSEDING MIL-DTL-32235 12 February 2007 DETAIL SPECIFICATION HEATER MODULE, GENERAL SPECIFICATION FOR This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification describes
2、the performance and design of self-contained heater modules consisting of polymeric food trays, Institutional Size Pouches (ISP) or Boil-In-Bag (BIB) modules, flameless heaters, activation fluid, heating trays, an activation mechanism and other components, as applicable. The heater module is used by
3、 the Department of Defense as a component of the Unitized Group Ration-Express (UGR-E) operational group ration to provide hot meals to eighteen individuals. 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3, 4 or 5 of this specification. This sect
4、ion does not include documents cited in other sections of this specification 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 of documents ci
5、ted in sections 3, 4 or 5 of this specification, whether or not they are listed. Comments, suggestions or questions on this document should be addressed to US Army Research, Development and Engineering Command, Natick Soldier Research, Development and Engineering Center, RDNS-CFF, 15 Kansas St., Nat
6、ick, MA 01760-5056 or emailed to Hray.valvanous.army.milH. Since contact information can changyou may want to verify the currency of this address information using the ASSIST Online database at He, https:/assist.daps.dla.mil/H. AMSC N/A FSC 8970 Provided by IHSNot for ResaleNo reproduction or networ
7、king permitted without license from IHS-,-,-MIL-DTL-32235A 22.2 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 do
8、cuments are those cited in the solicitation or contract. DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-PRF-32004 - Packaging of Food in Polymeric Trays MIL-DTL-32235/1 - Heater Module, Type I: Heater, Assembly Required MIL-DTL-32235/2 - Heater Module, Type II: Heater, Assembled MIL-DTL-32235/3 - Heater M
9、odule: Boil-In-Bag (BIB) Module MIL-PRF-44073 - Packaging of Food in Flexible Pouches (Copies of these documents are available online at https:/assist.daps.dla.mil/quicksearch/ or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.2.2 Other
10、 Government documents, drawings and publications. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. U.S. ARMY RES
11、EARCH, DEVELOPMENT AND ENGINEERING COMMAND PCR-E-017 - Egg Mix, Pasteurized, Uncooked, Dehydrated, Packaged in a Boil-In-Bag (BIB) (Copies of this document are available online at ray.valvanous.army.mil or from U.S. Army Research, Development and Engineering Command, Natick Soldier Research, Develop
12、ment and Engineering Center, RDNS-CFF, 15 Kansas St., Natick, MA 01760-5056) U.S ARMY Army Regulation 40-5 - Preventive Medicine Army Regulation 70-1 - Army Acquisition Policy Army Regulation 70-1 - Army Acquisition Procedures Provided by IHSNot for ResaleNo reproduction or networking permitted with
13、out license from IHS-,-,-MIL-DTL-32235A 3(Copies of this document are available online at www.apd.army.mil or from U.S. Army Publishing Directorate) U.S. DEPARTMENT OF HEALTH AND HUMAN SERVICES Federal Food, Drug and Cosmetic Act and regulations (21 Code of Federal Regulations (CFR), Parts 170-189)
14、U.S. ENVIRONMENTAL PROTECTION AGENCY Resource Conservation and Recovery Act (40 CFR, Parts 239-282) (Copies of this document are available online at www.access.gpo.gov/nara or from the Superintendent of Documents, ATTN: New Orders, P.O. Box 371954, Pittsburgh, PA 15250-7954.) 2.3 Non-Government publ
15、ications. The following documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) D 1974 - Standard Pr
16、actice for Methods of Closing, Sealing, and Reinforcing Fiberboard Boxes D 5118/D 5118M - Standard Practice for Fabrication of Fiberboard Shipping Boxes (Copies of these documents are available at www.astm.org or from ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 1942
17、8-2959) 2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this document and the references cited herein (except for related specification sheets) the text of this document takes precedence. Nothing in this document, however, sup
18、ersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Specification sheets. The individual item requirements shall be as specified herein and in accordance with the applicable specification sheet. In the event of any conflict between the requireme
19、nts of this specification and the specification sheet, the latter shall govern. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32235A 43.2 First article. When specified (see 6.2), a sample shall be subjected to first article inspection in ac
20、cordance with 4.2. 3.3 Materials. Note that terms bag and pouch are used interchangeably. 3.3.1 Components and ingredients. The contractor shall select materials capable of meeting the interface, interoperability, environmental, operating and support requirements. The active ingredients, additives a
21、nd activation fluids shall be uniform chemicals and compounds and shall meet all requirements of this document. The materials cited are recommended. 3.3.1.1 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials should be used to th
22、e maximum extent possible, provided that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantageous life cycle costs. 3.4 Interface and interoperability requirements. 3.4.1 Heater. The heater, its materials and design, shall be evaluated and de
23、signated by the criteria of the Environmental Protection Agency (EPA) Resource Conservation and Recovery Act (RCRA). The individual unused heater shall meet the criteria to be unregulated according to RCRA regulations. The assembled heater module shall meet the criteria to be unregulated according t
24、o RCRA regulations. It is preferable that multiple unused heaters (such as a bulk container of heaters or pallet of packed heaters) also meet the criteria to be unregulated according to RCRA regulations. 3.4.1.1 Heater elements. The active ingredients and additives shall be uniformly blended and dis
25、tributed in a matrix that, when the heater is triggered by the activation fluid, shall allow for safe and uniform heating of the polymeric trays or pouches of food. (See 3.1) 3.4.1.2 Heater design. The heater elements shall be contained in a gas and water permeable material which, upon the introduct
26、ion of the activation fluid, shall initiate and propagate the heating process. (See 3.1) 3.4.1.3 Protection of the heater. The heater(s) shall be packaged or sealed in barrier material to avoid premature chemical reaction or degradation of the heater. (See 3.1) 3.4.2 Activation fluid. The activation
27、 fluid shall be of a chemical constitution and adequate volume which, when combined with the heater, shall safely initiate and propagate an exothermic reaction. (See 3.1) 3.4.2.1 Protection of the activation fluid unit. Activation fluid shall be packaged in a barrier material to avoid premature rele
28、ase or degradation of the fluid. (See 3.1) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32235A 53.4.3 Polymeric food tray. The polymeric food trays shall be in accordance with MIL-PRF-32004. 3.4.4 Institutional size pouch (ISP). The ISP sh
29、all be in accordance with MIL-PRF-44073. 3.4.5 Boil-In-Bag (BIB) module. The BIB module shall be in accordance with MIL-DTL-32235/3. 3.4.6 Boil-In-Bag (BIB). The BIB shall be in accordance with the applicable food document. Note that the eggs in a BIB are cited in PCR-E-017. 3.4.7 Construction of he
30、ater module. All components shall be constructed into a heater module that facilitates ease of use, optimum performance and allows venting of gases. Instructions shall be included with each heater module. The design shall promote and ensure operator safety. The components shall be compatible. The he
31、ater module, when used according to instructions, shall heat the food properly. (See 3.1) 3.4.7.1 Type I and Type II heater modules. The Type I and Type II heater modules (see 3.1) shall consist of: (1) One or more heaters (2) One or more activation fluid units (3) One or more activation mechanisms,
32、 as applicable (4) Three or four polymeric food trays or pouches, as applicable. The preferred stacking orientation is main entre, starch, vegetable, and dessert (or least dense food tray or ISP), from bottom to top. When used, the BIB module shall be on top. (5) Three or four heating trays, as appl
33、icable (6) BIB module, when applicable (7) Additional components, as applicable 3.4.7.2 BIB heater module. The BIB heater module (see 3.1) shall consist of: (1) One heater (2) One activation fluid unit (3) One BIB of food (4) One rehydration pouch (5) One serving tray in a polyethylene bag (6) Addit
34、ional components, as applicable 3.4.7.3 Activation of heater module. The activation, either manually or mechanically as applicable, shall initiate the heating of the food. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32235A 63.4.7.4 Design
35、 and dimensions of heater module box. The heater module box shall accommodate the components. The heater module box shall fit in the UGR-E box. The BIB module, when used, shall fit in the Type I or Type II heater module box. (See 3.1) 3.4.7.5 Activated heater module. The by-products of the activated
36、 heater module shall be non-toxic and safe. Disposal of the activated heater module shall be unrestricted. Activated heaters shall be safe for disposal as unregulated consumer waste. 3.5 Environmental requirements. 3.5.1 Shelf life. The shelf life of all heater module components (except polymeric fo
37、od trays, ISPs or BIBs) shall be not less than 24 months at 80F. 3.5.2 Temperature range of operation. The heater module shall be capable of withstanding extreme temperatures in storage and transport ranging from -20F to 160F. At the time of use, the module shall be capable of operating at temperatu
38、res ranging from 10F to 160F. At ambient temperatures ranging from 35F to 120F, the heater module shall perform as intended and raise the temperature of the food in the polymeric food trays, ISPs or BIBs by no less than 100F. The heater module components shall exhibit no failures, major deformities
39、or degradation as a result of the heating process. 3.6 Operating requirements. 3.6.1 Chemical and physical properties. The heater module shall be capable of heating one, three or four polymeric food trays, ISPs or BIBs, as applicable; each containing approximately 6 pounds of food. The heater module
40、 shall be self-contained and shall be activated without requiring additional materials. 3.6.2 Heater module use. The heater module shall require no specific training to use. Instructions located on the top of the heater module, shall provide guidance and the sequence of actions. The heater module sh
41、all be easily activated, easily opened and shall allow food to be easily served from the polymeric food trays, ISPs, BIBs or serving trays, as applicable. (See 3.1) 3.6.3 Food safety. The materials used in the heater module and their by-products shall be safe for use with food in accordance with 21
42、CFR, Parts 170-189, applicable material safety data sheets, or other recognized health standards and regulations. 3.6.4 Heating performance for Type I or Type II. The activated Type I or the activated Type II heater module shall be capable of providing a 100F minimum temperature rise in the bottom t
43、hree water filled polymeric food trays in 45 minutes or less and a 75F minimum temperature rise in the top water filled polymeric food tray in 45 minutes or less. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32235A 73.6.5 Heating performan
44、ce for BIB module. The activated BIB heater module shall be capable of heating a BIB of food from 40F to 170F in 30 minutes. 3.7 Support requirements. 3.7.1 Heater by-products. The heater module shall operate without emission of any objectionable odors such as burning plastic or metal or sulfurous o
45、dors. After the polymeric food trays, ISPs or BIBs are removed, there shall be no evidence of precipitate or residue, except on the bottom of polymeric food trays, ISPs or BIBs in direct contact with the heater. There shall be no more than 10 ml of fluid remaining in each heating tray or module afte
46、r the heating reaction. The heater module shall be designed to allow escape of gases generated by the heating reaction. The heater by-products shall be of an amount and nature that incidental contact with food shall not render food unsafe. 3.7.2 Health hazard assessment. The item shall not present a
47、 health hazard when used as intended. Department of the Army Regulation (AR) 40-5, Preventive Medicine, AR 70-1, Acquisition Policy, and Department of the Army Pamphlet 70-3, Acquisition Procedures require that all new chemicals and materials being added to the Army supply system have a Toxicity Cle
48、arance. A Toxicity Clearance involves a toxicological evaluation of materials prior to introduction into the Army supply system. The Army Program Manager is responsible for identifying materials and requesting a Toxicity Clearance for use of that material within their program. All chemicals (includi
49、ng proprietary materials) shall be identified and accompanied by the appropriate Material Safety Data Sheet (MSDS). If requested, the contractor shall furnish the formulation of the heater and the activation fluid to the U.S. Army Public Health Command (Provisional) formerly U.S. Army Center for Health Promotion and Preventive Medicine, ATTN: MCHB-TS-OHH, Aberdeen Proving Ground, MD 21010-54
