《MIL-B-81705B-1974 3.58.pdf》由会员分享，可在线阅读，更多相关《MIL-B-81705B-1974 3.58.pdf（30页珍藏版）》请在三一文库上搜索。
1、MIL-B-BL705B = 9997906 1435621 453 = I_- . . - MIL-B-81705B 15 August 1974 SUPERS ED ING MIL-B-81705A 2 February 1972 MILITARY SPECIFICATION BARRIER MATERIALS, FLEXIBLE, ELECTROSTATIC-FREE, HEAT SEALABLE This specification is approved for use by all Depart- ments and Agencies of the Department of De
2、fense. 1. SCOPE * 1 . 1 Scope. This Specification covers opaque and transparent heat sealable, electrostatic-free, flexible, barrier materials for the packaging of missiles, explosive powered and electro-sensitive devlces, microcircuits, semiconductors, thin film resistors, and associated airborne c
3、omponents, in addition the Type I opaque material provides for the attenua- tion of electromagnetic radiation (see 6 . 1 ) . ( -* 1.2 Classification. The barrier materials shall be of the When no type is specified Typa I shall be following types as specified. furnished (see 6 . 2 ) . Type I - Opaque
4、 Type II - Transparent 1.2.1 Relationship of the materials specified in earlier issue of this specification is detailed in Section 6. 2, APPLICABLE DOCUMENTS 2.1 The following documents of the issue in effect on date of invitation for bids or request for proposal, form a part of this specifi- cation
5、 to the extent specified herein. SPECIFICATIONS Federal PPP-B-601 Boxes, Wood, Cleated-Plywood - PPP-B-621 Box, Wood, Nailed and Lock-Comer i -?. flIL-B-BL705B m 9999906 1435622 39T m MIL-B-81705 B SPECIFICATIONS (Cont d) Federal PPP-B-636 PPP-B-640 PPP-D-723 PPP-F-320 PPP-T- 60 PPP-T-76 PPP-T-97 Mi
6、litarv Boxes, Shipping Boxes, Fiberboard, Corrugated, Triple-Wall Drum, Fiber Fiberboard, Corrugated and Solid, Sheet Stock (Container Grade) and Cut Shapes Tape, Packaging Waterproof Tape, Pressure-Sensitive Adhesive Paper (For Carton Sealing) Tape, Pressure-Sensitive Adhesive, Filament Reinforced
7、MIL-S-4461 MIL-S-22783 STANDARDS Federal Fed. Test Method Std. No. 101 FED-STD-595 Military MIL-STD-105 MIL-STD-129 Sealing Machine, Heat, Hot Jaw and Continuous Sealing Machines, Electrical Impulse (Jaw Type) Preservation, Packaging and Packing Materials, Test Procedures Color Sampling Procedures a
8、nd Tables for Inspection by Attributes Marking for Shipment and Storage (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 con- tracting officer.
9、) Dwg. No. 430045 - Test Barrier For Attenuation Measurements of RF Pack- aging Material (Assembly) - . River, Maryland 20670.) (Copies of drawings, required by suppliers, should be obtained from the Naval Electronics Systems Test and Evaluation Detachment (mSTED), Patuxent 2 - 1028 -,-,- MIL-B-L705
10、B 9999906 1435623 226 , MIL-B-81705B 2 . 2 Other publications. The following documents form a part of this specification to the extent indicated herein. Unless a specific issue is identified, the issue in effect on date of invitation for bids or request for proposal shall apply: Uniform Classificati
11、on Committee, Agent Uniform Freight Classification (Application for copies should be addressed to the Uniform Classifi- cation Committee, Room 1106, 222 South Riverside Plaza, Chicago, Illinois 60606 .) National Motor Freight Traffic Association Inc., Agent National Motor Freight Classification (App
12、lications for copies should be addressed to American Trucking Associations, Tariff Order Section 1616 P Street, N.W. Washington, D.C. 20036.) 3. REQUIREMENTS 3.1 Qualification. The barrier materials furnished under this specification shall be products which have been tested, and passed the qualifica
13、tion tests specified herein, and have been listed on or approved for listing on the applicable qualified products list (see 4.2 and 6 . 4 ) . 3.2 Material. Barrier materials shall be made from such materials and by such processes as to-insure compliance with this specifi- cation. 3.3 Construction. *
14、 3.3.1 Type I. Type I barrier material shall consist of alumi- num foil and other laminates constructed in any manner which will insure compliance with the performance requirements of this specification and which will be suitable for the purpose intended. or the finished product is not permitted exc
15、ept in the direction perpendicu- lar to the rolling direction. The areas shall be plainly externally flagged to prevent use of that portion of the roll when a butt weld is made on the finished product, or its components. * 3.3.2 Type II. Type II barrier material shall consist of a trans- parent, uns
16、upported, non-laminated plastic sheet both surfaces of which shall be chemically neutral and identical, extruded from a homogeneous anti- static resin mix. cornstarch, metallization or other foreign matter applied to the surface after extrusion. Butting of component materials The material shall be u
17、nprinted and have no ink, talc, 3.3.3 Splices. No roll shall contain more than 3 splices (4 pieces),and no piece shall be less than 45 yards in length. within rolls,shall be evenly and neatly made material Splices, the entire width of the roll and shall not come apart during unwinding of the roll. R
18、olls 3 1029 I - -f I MIL-B-L705B m 99999Ob 1435624 Lb2 1 MIL-B-81705 B containing splices shall be flagged at both ends of each splice with colored markers to indicate splices within the roll. sheets form shall contain no splices. Barrier material in flat cut * 3.4 - Form. The barrier materials shal
19、l be furnished in rolls or flat cut sheets as specified in the contract or delivery order (see 6 . 2 ) . Rolls of Type II material may be in the form of sheeting or lay flat tubing as specified (see 6 . 2 ) . 3.4.1 Rolls. When rolls are specified, the average length shall Unless otherwise specified,
20、 the width of roll material be not less than 200 yards. less than 195 yards. shall be 36 inches, plus or minus 1/4 inch. uniformly and smoothly wound on non-returnable cores with a minimum inside diameter of 3 inches, plus 1/8 inch. to the width of the roll material, with a plus tolerance of 1/8 inc
21、h. The core shall be of sufficient rigidity to prevent distortion of the roll under normal conditions of transportation and use. restrained to prevent unwinding. The length of any individual roll shall be not The roll material shall be The length of the core shall be equal Each roll shall be suitabl
22、y 3.4.2 Flat cuts. When flat cut sheets are specified, the length and width shall be as specified by the procuring activity. Unless otherwise specified, length and width tolerances for cut sheets shall be plus 1/4 inch or minus 1/8 inch. Flat cut sheets shall be evenly and uniformly stacked. 3.5 Sea
23、ling. Barrier materials shall be capable of being heat sealed under conditions recommended by the manufacturer. conditions shall be such as are considered reasonable for production line sealing operations with respect to commonly available sealing equipment and commercially practical fabrication tim
24、e. delamination at the heat sealed area when sealed under the manufacturers recommended conditions (see 4 . 7 ) . These sealing The material shall exhibit no 3.6 Identification of material. * 3.6.1 Type I. Type I material under contract or order shall be marked with specification number, type, manuf
25、acturers name, manufacturers designation, month and year of manufacture, and lot number. figures shall be clear, legible, and a minimum of one-eighth of an inch high. The markings shall be made using a water-resistant ink and shall appear on the backing surface of the material, The complete markings
26、 shall be continu- ous lengthwise with a maximum of two inches between groups of markings. A complete group of markings shall appear once in each 18 inches of width of the roll. to Color No. 27038 of FED-STD-595. Each roll or package (flat cuts) of barrier material shall include a tag secured to the
27、 core of rolls or sheet inserted in the package of sheets with the sealing conditions as furnished by the manufacturer to be used as a guide by users for satisfactory heat The letters and The color of the markings shall approximate black which conforms - 4 -,-,- MIL-B-817058 W 7777706 1435625 OT7 W
28、MIL-B-81705B sealing on Rotary, Band, and Jaw type sealing equipment. The tag or sheet shall be visible upon opening the unit package. * 3.6.2 Type II. Type II barrier material shall be of a uniform color approximating the lusterless red (pink) which conforms to color number 31668 of FED-STD-595. ma
29、terial shall include a tag secured to the core of rolls or sheet inserted in the package of sheets with the sealing conditions as furnished by the manufacturer to be used as a guide by users for satisfactory heat sealing on Rotary, Band, or Jaw type sealing equipment. The tag or sheet shall be visib
30、le upon opening the unit package. Each roll or package (flat cuts) of barrier 3.7 Physical properties. The physical properties of the bar- rier materials shall conform to the requirements specified in Table I, when tested as described in 4.8. 3 . 8 Workmanship. Barrier material shall be manufactured
31、 in a manner to provide uniform construction, free from holes, tears, cuts, sharp creases, wrinkles or other imperfections which might impair its use- fulness for the purpose intended. The barrier material shall be trimmed of any selvage and the finished product shall conform to the levels of qualit
32、y established herein. 4 . QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase.order, the supplier is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contract or
33、 order, the supplier may use his own or any other facilities suitable for the performance of the inspection re- quirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections
34、 are deemed necessary to assure supplies and services conform to prescribed requirements. 4.1.1 Inspection of components and materials. In accordance with 4 . 1 above, the supplier is responsible for insuring that materials and components-used were manufactured, tested, and inspected in accordance w
35、ith the requirements of referenced subsidiary specifications and standards to the extent specified, or, if none, in accordance with this specification. In the event of conflict, this specification shall govern. 5 , - - - - iu3i E-3 .I MIL-B-L705B 9999906 1435626 T35 Seam strength I As received mater
36、ial At room temperature, 100F, 160F At room temperature, 10O0F, 160F At room temperature, 100F, 160F Sealed before aging Sealed after aging MIL-B-81705B I, 11 TABLE I * PHYSICAL PROPERTIES Properties Applicable To Types Seam fabrication Resistance to curl Resistance to blocking Contact corrosivity E
37、lectrostatic properties Stiffness (Cantilever Method) (as received only) (cross and machine direction) _ Resistance to aging Thickness Water resistance of markings I, II I, II I, II I, II I, II - I, II I, II I II I 6 Requirements No separation No leakage at double seam junction Shall not curl in exc
38、ess of 5% or curl back upon itself No blocking, delamination, or rupture No corrosion, etching, or pitting in contact area The decay rate shall be 2.00 second (maximum) Bending Moment- 0.020 in. lbs. Load 0.030 lbs. (maX (IMX) No delamination as defined in 4.8.4.1 0.015 inch (max) 0.006 inch (max) M
39、arkings shall be clear legible rest Para. 4.8.1 4.8.2 4.8.3 4.8.3 4.8.3 4.8.3 4.8.3 4.8.4 4.8.3 4.8.3 4.8.3 - -. c-q I - - - _ z 1032 RIL-B-BL705B W 9997906 1435627 971 W MIL-B-81705B TABLE I (Continued) * Properties Water resistance Transparency As received - Water vapor trans- mission rate (WVTR)
40、gms/lOO sq.in./24 hours After room temperature flexing As received After aging After low temperature flexing As received Oil resistance Waterproofness Puncture resistance Electromagnetic interfer- Freq, Range 1 to 10 GHz f erence- attenuation Applicable To Types II I I I I I II I II I Requirements N
41、o delamination Read lettering, 3 inches behind material 0.02 (max) 0.02 (pax) 0.03 (max) No leakage, swelling, lamination, or em- britt lement No dye penetration Minimum force 10.0 pounds to puncture Minimum force 6 .O pounds to puncture 25db (min) Test Para. 4.8.3 4.8.3 4.8.3 4.8.3 1.8.5 4.8.3 4.8.
42、6 4.2 Classification of inspection. The examintion and testing of the barrier material shall be classified as follows: (a) Qualification inspection - Qualification inspection consists of examination and tests performed on samples submitted for approval as qualified products. The qualification tests
43、of the barrier material shall consist of all the tests of this specification. 7 I , c -5 1033 -,-,- MIL-B-L705B I 9999906 1435628 808 I 1 MIL-B-81705B (b) Quality conformance inspection - Quality conformance inspection consists of examinations and tests per- formed on barrier material submitted for
44、acceptance under a contract or order. The quality conformance tests shall consist of tests listed in 4.8, and ex- aminations listed in 4.5. 4 . 3 Qualification inspection, 4.3.1 Qualification sampling instructions. Qualification inspec- tion samples shall consist of sufficient barrier material to pe
45、rform all tests required by this specification for the applicable type. Samples shall be accompanied by a complete test report showing results of manufac- turers tests. as to the plant(s) in which the barrier material is, or will be manufactured. If more than one address is listed, a certificate of
46、equivalence of other plants to the plant in which the sample was manufactured must be furnished. The samples shall be forwarded to the Supply Officer, Naval Air Development Center, Warminster, Pennsylvania 18974, Attention: Director, Aero Materials Department, plainly identified by securely attached
47、 durable tags marked with the following information. Information shall be furnished including plant address(es), Sample for Qualification Tests BARRIER MATERIALS, Flexible, Electrostatic-Free, Manufacturers Name Manufacturers Code No. Date of Manufacture (Month and Year) Submitted by (Name) (Date) f
48、or Qualification Tests in Accordance with Requirements of Specification MIL-B-81705B Under Authorization (Reference Authorizing Letter) Heat Sealable Type * 4.3.2 prova1 or rejection of the qualification sample based on the results of Criteria for qualification tests - The criteria for ap- each indi
49、vidual test are listed in Table II. * 4.3.3 Retention of qualification - The retention of qualification of products approved for listing on the Qualified Products List (QPL) shall be maintained by periodic verification to determine compliance of the qualified product with the requirements of this specification. otherwise specified by the activity responsible for the Qualified Products List, periodic verification shall