1、MIL-C-43285C 15 September 1986 SUPERSEDING . Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to U.S. Army Natick Research, Development, and Engineering Center, Natick, MA 01760-5014, by using the se
2、lf -addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. MIL-C-43285B 26 September 1972 MILITARY SPEC IF ICATION CLOTH, COATED (CHLOROPRENE BASE COATED, CHLOROSULPHONATED POLYETHYLENE TOP COATED) This specification is approved for
3、 use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This document covers the requirements for two types and five classes of coated cloth to be used in the fabrication of double wall air supported shelters (see 6.2). Type I - Cloth, Polyester Type II - Cloth, Nylon
4、Class 1 - Olive green face, black back Class 2 - Pale green face, black back Class 3 - Olive green face, pale green back Class 4 - Pale green face, uncoated back (not applicable Class 5 - Natural or gray face, uncoated back (not to type II cloth) applicable to type II cloth) AMSC N/A PSC 8305 DISTRI
5、BUTION STATEMENT A. Approved for public- release; distribution is -unlimited r -. Il Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-43285C 83 m 777790b 0392867 O m MIL-C-43285C 2. APPLICABLE DOCUMENTS * 2.1 Government documents. )c 2.1.1 Docum
6、ents. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto , cited in the so
7、licitation. SPECIFICATIONS FEDERAL PPP-P-113 6 MILITARY - Packaging of Coated (Plastic; Rubber) and Laminated Fabrics MIL-C-43286 - Cloth, Plain Weave, Nylon; Cloth, Plain Weave, Pol yes ter STANDARDS FEDERAL FED -STD-191 - Textile Test Methods FED-STD-406 - Plastics: Methods of Testing FED -STD-5 9
8、5 - Colors MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection MIL-STD -1 487 - Glossary of Cloth Coating Imperfections by Attributes (Copies of documents required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as
9、 directed by the contracting activity.) Q 2.2 Other 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 shall be those listed in the issue of the DODISS specified in the solic
10、itation. Unless otherwise 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL -C -4 3 2 8 5C specified, the issues of documents not listed in the DDISS shall be the issues of the nongovernment documents which are current on the date of the solicita
11、tion. AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) D 1349 - Standard Temperatures and Atmospheres for Testing and Conditioning Rubber (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) (Technical society and
12、technical association documents are generally available for reference from libraries. technical groups and using Federal agencies.) They are also distributed among 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
13、document shall take precedence. Nothing in this document, however, shall supersede applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Laboratory report approval. Unless otherwise specified at the time of submission of a bid (see 6.2), the bidder shall
14、submit to the contracting officer a certified copy of a recent laboratory report covering material that he proposes to deliver. Unless otherwise specified by the contracting officer, the bidder shall certify that the material was manufactured in a plant where the coating will be performed if a contr
15、act is awarded. This laboratory report shall contain test data that demonstrates that the finished product that the contractor proposes to deliver has been tested and found to comply with the requirements of this document. Any of the following types of reports will be satisfactory from the standpoin
16、t of this requirement: O a. An independent or commercial laboratory report. b. C. A governmental laboratory report from a contract within not The prospective contractors own laboratory report. more than 6 months of date of submission of bid. The purpose of the above requirement is to assist the Gove
17、rnment in determining the capability of bidders to manufacture a cloth meeting.al1 the requirements of this document. report under this requirement shall not be construed as relieving a contyactor from subsequently meeting all requirements of this document on all deliveries. The submission of an acc
18、eptable laboratory 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-43285C 83 7799706 0372869 i.I MIL-C-43285C 3.2 Standard sample. A standard sample shall be used to determine conformance with shade requirements (see 6.3). 3.3 Material. 3.3.1
19、 Base cloths. 3.3.1.1 Type I. The base cloth for type I coated cloth shall be polyester conforming to type I of MIL-C-43286. 3.3.1.2 Type II. The base cloth for type II coated cloth shall be nylon conforming to type II of MIL-C-43286. 3.3.2 Coating compound. 3.3.2.1 Black base coating. The black coa
20、ting shall be chloroprene rubber compounded and plasticized only with phthalate or phosphate ester plasticizers and pigmented to a shade of black. An organic isocyanate may be added to this compound in order to achieve the adhesion of coating values specified in table I. 3.3.2.2 Pale green undercoat
21、ing. The pale green base coating shall be chloroprene rubber compounded and plasticized only with phthalate or phosphate ester plasticizers and pigmented to match Pale Green 34554 of FED-STD-595. 3.3.2.3 Green undercoating. The green undercoating shall be chloroprene rubber compounded and plasticize
22、d only with the phthalate or phosphate ester plasticizers and pigmented to match Olive Green 207. 3.3.2.4 Green top coating. The green top coating shall be chlorosulphonated polyethylene compounded and plasticized only with phthalate or phosphate ester- plasticizers and pigmented to match Olive Gree
23、n 207. 3.3.2.5 Pale green top coating. The pale green top coating shall be chlorosulphonated polyethylene compounded and plasticized only with phthalate or phosphate ester plasticizers and pigmented to match Pale Green 34554 of FED-STD-595. 3.3.2.6 Natural or gray coating. The coating shall be natur
24、al or gray chloroprene rubber compounded and plasticized only with phthalate or phosphate ester plasticizers 3.3.3 Dusting material. The dusting material shall be whiting, talc, or other finely divided mineral material that does not support mildew growth. 4 Provided by IHSNot for ResaleNo reproducti
25、on or networking permitted without license from IHS-,-,-MIL-C-q3285C 83 m 7777906 0372870 O m - MIL-C-43285C 3.4 Application of coating compound. 3.4.1 Class 1 cloth. Class 1 cloth shall be coated in the following sequence : a. b. Coat each side of the base cloth with 2 ounces (* 0.25 ounce) Coat on
26、ly the face side of the cloth with 2.7 ounces (* 0.50 per square yard of the black base coating specified in 3.3.2.1- ounce) per square yard of the green undercoating specified in 3.3.2.3. c. Top coat only the face side of the cloth with 2.25 ounces (* 0.50 ounce) per square yard of the green top co
27、ating specified in 3.3.2.4. 3.4.2 Class 2 cloth. Class 2 cloth shall be coated in the following sequence : a. Coat each side of the base cloth with 2 ounces (* 0.25 ounce) b. per square yard of the black base coating specified in 3.3.2.1. ounce) per square yard of the pale green undercoating specifi
28、ed in 3.3.2.2. (-0.25, i-0.50 ounce) per sqGare yard of the pale green top coating specified in 3.3.2.5. Coat only the face side of the cloth with 2.7 ounces (* 0.50 C. Top coat only the face side of the cloth with 2.25 ounces 3.4.3 Class 3 cloth. Class 3 cloth shall be coated in the following seque
29、nce : a. b. Coat only the face side of the cloth with 2.7 ounces (* 0.50 Coat each side of the base cloth with 2 ounces (* 0.25 ounce) per square yard of the black base coating specified in 3.3.2.1. ounce) per square yard of the green undercoating specified in 3.3.2.3. C. d. Top coat only the face s
30、ide with 2.25 ounces (* 0.50 ounce) per square yard of the green top coating specified in 3.3.2.4. Coat the back side over the black base coatingi with 1.25 ounces (* 0.25 ounce) per square yard of the pale green undercoating specified in 3.3.2.2. 1.25 ounces (-0.25, M.50 ounce) per square yard of t
31、he pale green top coating specified in 3.3.2.5. e. Top coat the pale green undercoating on the back side only with 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-43285C 3.4.4 Class 4 cloth. Class 4 cloth shall be coated in the following sequ
32、ence : a. Coat only the face side of the base cloth with 1.25 ounces (f 0.25 ounce) per square yard of the black base coating specified in 3.3.2.1. Top coat the face side of the cloth with 2.25 ounces (& 0.25 ounce) per square yard of the pale green top coating specified in 3.3.2.5. strike-through f
33、rom the face of the cloth. b. c. The back side of the cloth shall show no evidence of coating 3.4.5 Class 5 cloth. Coat the face side only with 1.7 ounces (& 0.5 ounce) per square yard of the gray coating specified in 3.3.2.6. NOTE: Tolerances may be cumulative, providing that the minimum and maximu
34、m weight requirements in table I are met. 3.5 Dusting. Al1 types and classes of coated cloths shall be dusted after coating and before vulcanizing with the dusting compound specified in 3.3.3. + 3.6 Coated cloths. Al1 types and classes of coated cloth shall be fully vulcanized and shall conform to a
35、ll the requirements specified in table I. TABLE I. Coated cloth requirements Requirement Type 1 Type II Minimum Maximum Minimum Maximum Weight (ounces per square yard) : Class 1 13.0 15.0 13.0 16.0 Class 2 13.0 15. O 13.0 16. O Class 3 15.0 18.5 16. O 20. o Class 4 7.0 8.0 Class 5 5.2 6.2 - - - - 6
36、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL -C -4 3 2 8 5C TABLE I. Coated cloth requirements - Continued Requirement Type 1 Type 11 Minimum Maximum Minimum Maximum Ii Breaking strength (pounds) : Warp Filling 160 160 275 27 5 Tearing strengt
37、h (grams) : Ini t ia1 : Warp Fi 11 ing 3,500 3,000 10,000 10,000 After acclerated weathering i/ (not applicable to class 5): Warp 3,500 Filling 3,000 9,000 8,500 After oven aging: Warp 3,500 Filling 3,000 9,000 8,500 Hydrostatic resistance (pounds per square inch): Initial : Classes 1, 2, and 3 Clas
38、s 4 only 300 - 100 - 200 - After strength of coating test: Classes 1, 2, and 3 Class 4 only 2 50 85 1 O0 - 7 i Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_- MIL-C-q3285C 83 W 777770b 0372873 b W MIL -C -4 3 28 5C TABLE I. Coated cloth requiremen
39、ts - Continued Requirement Type I Type 11 Minimum Maximum Minimum Maximum Hydrostatic resistance (pounds per square inch): - continued After abrasion test: - Classes 1, 2, and 3 250 - 50 Class 4 only 85 - - - Stiffness (centimeters), warp only: At 70F - 13 - 13 Ar 70F after accelerated weathering (n
40、ot applicable to class 5) At minus 40F At minus 4OoF after oven aging 16 20 20 - 16 - 20 - 20 Coating adhesion (pounds per 2-inch strip) (not applicable to class 5) Heavily coated side : Dry 16 Wet 12 ._ Lightly coated side: . Dry 6. O Wet 6.0 8 Provided by IHSNot for ResaleNo reproduction or networ
41、king permitted without license from IHS-,-,-MIL-C-q3285C 3 9399906 039287Li - MIL-C-43285C TABLE I. Coated cloth requirements - Continued Requirement Type 1 Type II Blocking at 200F (both sides): Scale rating s Flame resistance (not applicable to classes 4 and 5): Minimum Maximum Minimum Maximum Aft
42、er flame (seconds): Warp - Filling - Char length (inches) : Warp Fil ling - NO. 2 3.0 - 3.0 - NO. 2 - - 4.5 4.5 - - i/ The coated cloth shall show no evidence of becoming stiff, brittle, soft, or tacky, and there shall be no cracking or crazing when flat or when folded sharply on itself by hand, fac
43、e out. In addition, there shall be no appreciable change of the color or exudation of the plasticizer in the exposed test specimen when compared with an unexposed test specimen. (Appreciable change means a change that is noticeable at first glance when comparing tested specimen with original.) a 3.7
44、 Adherability. Classes 1, 2, 3, and 4 shall show no slippage when tested as specified in 4.3.5. Adherability does not apply to class 5 coated cloth 3.8 Width. The minimum width, exclusive of selvages, shall be as specified (see 6.2). All selvages shall be trimmed from the coated cloth. 9 Provided by
45、 IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- -_ MIL-C-q3285C 83 9999906 0392875 T MIL-C-43285C 3.9 Length and put-up. The cloth shall be put-up in rolls as specified in 5.1 in the lengths specified in table II for the applicable .class. An individual roll s
46、hall contain not more than three pieces, and no piece shall be less than 6 yards in length. TABLE II. Lemth and put-up Class Linear yards Minimum Maximum 60 60 45 110 120 74 74 55 12 5 150 3.10 Color. The colors Olive Green 207 and black shall match the standard sample (see 6.3), and the color pale
47、green shall match the applicable color number of FED-STD-595. I 3.10.1 Matching. The color shall match the standard sample when viewed under filtered tungsten lamps that approximate artificial daylight and that have a correlated color temperature of 7000 f 50OK, with illumination of 100 f 20 foot ca
48、ndles. The color shall be a good match to the standard sample under incandescent lamplight at 2300 f 1OOK. powder shall be wiped with a wet cloth and allowed to dry before color matching Specimens dusted with mineral 3.11 Workmanship. The finished cloth shall be clean, evenly coated, and shall confo
49、rm to the quality and grade of product established by this document, and the occurrence of defects shall not exceed the applicable acceptable quality levels (AQL). 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-q3285C 83 m 777770b 037287b I - MIL-4 3285C 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibi
