1、i6 January 1986 SUPERSEDING MIL-C-43858A(GL) 17 September 1981 MILITARY SPECIFICATION CLOTH, LAMINATED, NYLON TRICOT KNIT, POLYURETHANE FOAM LAMINATE, CHEMICAL PROTECTIVE AND FLAME RESISTANT This specification is approved for use by Natick Research, Development and Engi eering Center, Department of
2、the Army, and is available-for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This document covers three types of tricot knit nylon cloth laminated to polyurethane foam and impregnated with an activated carbon mixture. 1.2 Classification. The cloth shall be of
3、the following types as specified (see 6.2). Type I -Chemical protective Type II -Chemical protective and flame resistant Type III -Chemical protective (special finish) 2. APPLICABLE DOCUMENTS 2.1 Government documents. Unless otherwise specified, the following documents of the issue in effect on date
4、 of invitation for bids or request for proposal, form a part of this document to the extent specified herein: SPECIFICATION Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be used in improving this document should be addressed to: U.S. Army Natick Researc
5、h, Development and Engineering Center, Natick, MA 01760-5014, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter mfc N/A FSC 8305 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
6、 c THIS DOCUMENT CONTAINS 25 . PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-43858B (GL) FEDERAL PPP-P-1136 -. Packaging of Coated (Plastic; Rubber) and Lamhated Fabrics STANDARDS FEDERAL FED-STD-191 - Textile Test Methods MILITARY MIL
7、-STD-105 - Sampling Procedures and Tables for Inspection by Attributes (Copies of documents required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting activity.) 2.2 Other publications. Unless otherwise
8、 specified, the following documents of the issue in effect on date of invitation for bids or request for proposal, form a part of this document to the extent specified herein. AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) D 3574 - Flexible Cellular Materials, Slab, Bonded, and Molded Urethane Fo
9、ams (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) (Technical society and technical association documents are generally available for reference from libraries. They are also distributed among technical groups
10、and using Federal agencies.) 2.3 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 shall take precedence. 3, REQUIREMENTS 3.1 First article. When specified in the contract or purchase order, a sample shall be
11、subjected to first article inspection (see 4.3, 6.2, and 6.3). 3.2 Materials. 3.2.1 Base cloth. The base cloth shall be tricot knit nylon knitted on a 28 gauge tricot machine using 40 denier nylon yarn. The cloth shall 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without li
12、cense from IHS-,-,- MIL-C-Ll3858B 83 7777706 0376571 T e . ? O a approximate color Olive Green 106 or black, and shall show “good“ fastness to water. table I when tested as specified in 4.4.1.1. The cloth shall also meet the physical requirements specified in TABTX I. Physical requirements of base c
13、loth Characteris tic Requirement Minimum. Maximum Weight, ounce/square yard Yarns per inch: Wales / inch Courses/ inch 1.8 . 2.2 - 37 35 - - Bursting strength, pounds: 75 3.2.2 Polyurethane foam. The foam to be adhered to the base cloth shall be an unpigmented polyester based polyurethane flame lami
14、nable foam meeting the physical requirements in table II when tested as specified in 4.4.1.1. TABLE II. Physical requirements of polyurethane foam Characteris tic Requirement Minimum Maximum Thickness, inches Density, pounds/cubic foot Tear, pounds/inch Compression set, percent 0.089 o. 109 2.0 - 3.
15、0 - - 25.0 - 3.2.3 Impregnating mixtures. 3.2.3.1 Type I. The impregnating mixture for type I cloth shall be a carbon slurry consisting of activated carbon in water with other ingredients to bind the carbon to the polyurethane (see 6.4 and 6.4.1.1). 3.2.3.2 Type II. The impregnating mixture for type
16、 II cloth shall consist of activated carbon and 4 percent Phos ChekR P-30 in water with other ingredients to bind the carbon to the polyurethane (see 6.4 and 6.4.1.2). 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-Ll3858B 3 a 9777906 037b57
17、2 L M 3.2.3.3 Type III. The impregnating mixture for type III cloth shall consist of activated carbon (see 6.4 and 6.4.1.3) and Polyoz WSRN-80R and Phos CheckR P-30 in water with other ingredients to bind the carbon to the polyurethane. and B, mixed together in the quantities specified in formulatio
18、n C to attain an approved impregnation compound. shall be applied to the cloth within 48 hours after preparation (see 4.4.1.2). The impregnating compound shall be made up of formulations A The final composition (formulation C) Impregnating mixture for type III cloth Formulation A L/ Activated carbon
19、 Dispersing agent (18% solids) Water Thickener (28% solids) 5% solution Binder (38% solids) Formulation B 2/ Polyox WSRN-80R 3/ Phos ChekR P-30 z/ Water Formulation C &O diawker wire is rewved frou the coiled wire. One inch of wire is left yncoiled oc each end of the heat- elerefit to facilitate fus
20、ion to tte leads. (3) The coiled heating element. is wrapped around a hollow alundm tube 1/8 inch O.D. arid 1/5 inch I.D. . scale 1/ SECTION A- FIGURE 3 23 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-43858B( GL) 24 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-LI3858B 83 777770b 0376573 7 GLASS STOPCOCK f J FIGURE 5 SCHWARTZ TYPE DRYING TUBES 25 I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
