1、MIL-C-1075 1B 25 NOVEMBER 1957 SUPERSEDING MIGG10751A 29 MAY 1951 MILITARY SPECIFICATION CLOTH, MOHAIR-WOOL, FRIEZE, DOUBLE FACE Ths specification has been approved by the Depwtment of Defense awd is man- datory for zcse by the Departments of the Army, the Navzj, and the Air Fowe. 1. SCOPE 1.1 Scope
2、. This specification covers cloth, mohair-wool, frieze, double face, which has a woven loop pile construction of animal fiber on face and back, interwoven on a cotton base. 1.2 Classification. The cloth, mohair-wool, frieze, double face shall be of the following types, as specified (see 6.2) : Type
3、Type 11-100 percent wool pile. Type III- 50 percent wool and 50 percent mohair pile. I - 100 percent mohair pile. 2. APPLICABLE DOCUMENTS 2.1 The following specifications and stand- ards of the issue in effect on date of invita- tion for bids, form a part of this specifica- tion. SPECIFICATIONS FEDE
4、RAL CCGT-191 - Textile Test Methods. PPP-P-51 - Packaging, Packing and Marking of Textile Fabrics (Woolens, Worsted, Cottons, Silks and Synthetics). STANDARDS MILITARY MIL-STD-105 - Sampliiig Procedures and Tables for In- spection by At- tributes. (Copies of specifications and standards required by
5、contractors in connection with specific procure- ment functions should be obtained from the procur- ing activity or as directed by the contracting officer.) 2.2 Other publications. The following docu- ments form a part of this specification. Un- less otherwise indicated, the issue in effect on date
6、of invitation for bids shall apply: u. s. DEPARTMENT OF AGRICULTURE Methods of Test for Grades of Wool Methods of Test for Grades of Mohair. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-3075LB 83 m 9999906 0376830 3 MIL-C-10751B (Application
7、 for copies should be addressed to the Superintendent of Documents, Government Printing Office, Washington 26, D. C.) 3, REQUIREMENTS 3.1 Standard sample. The cloth shall be equal to the standard sample in all respects not specifically covered by this specification (see 6.3). 3.2 Sample approval. 3.
8、2.1 Bid sample and laboratory report ap- proval, Unless otherwise specified, at the time of submission of a bid, the bidder shall submit to the contracting officer a sample 5 by 9 inches and a certified copy of a recent laboratory report covering the material which he proposes to deliver (see 6.2).
9、Un- less otherwise specified by the contracting officer, the bidder shall certify that the sam- ple submitted was finished in a mill where the finishing will be performed if contract is awarded, The l and in addition, suf- ficient blank space shall %e provided for in- spection stamp : Nomenclature T
10、ype Width . , Color I 7 Stock number - - -7 Contractors name Contract number and date Specification number and date Name of contracting office Contractors piece number Gross yards Net yards Inspector 3.9.1 Wool content label. Cloth manu- factured under this specification shall be labeled in accordan
11、ce with the Wool Products Labeling Act of 1939. 3.10 Workmanship. The finished cloth shall be clean, evenly woven, and shall conform to the quality and grade of product estab- lished by the specification. The occurrence of defects shall not exceed the applicable acceptable quality levels. 4. QUALITY
12、 ASSURANCE PROVISIONS 4.1 General. The quality assurance provi- sions contained in this section are applicable to inspection. Quality assurance provisions for components or materials described shall be in accordance with this specification and with subsidiary specifications referred to herein to the
13、 extent applicable except that this specification shall govern in the event of conflict. 4.2 Preacceptance inspection, 4.2.1 Bid sample impectiofi. The bid sam- ple submitted in accordance with 3.2.1 shall be visually inspected for appearance and hand of the material. The data contained in the repor
14、t shall be obtained in accordance with test methods specified in table III, and 4.4.1 when applicable. 4.2.2 Preproduction sample inspection. The preproduction sample submitted in accord- ance with 3.2.2 shall be visually inspected for Provided by IHSNot for ResaleNo reproduction or networking permi
15、tted without license from IHS-,-,-appearance, color and finish. Tnhe sample shall be tested for physical and chemical properties in accordance with the methods shown in table III and 4.4.1 when applicable. 4.3 Inspection for acceptance. Inspection shall be in accordance with the provisions of Standa
16、rd MIGSTD-105 except where otherwise indicated. 4.3.1 Inspection of components. In addition to the quality assurance provisions of the subsidiary specifications, inspection shall be performed on components or materials in 4.3.1.1 for the characteristics shown. Unless otherwise specified, inspection
17、shall be in ac- cordance with Specification CCC-T-191 as applicable, and ths methods specified herein. 4.3.1.1 Wool and mohair. The wool and mohair shall be examined for grade (3.3.1.2 and 3.3.1.3) in grease, scoured or top form (undyed) by conparison with the applicable USDA Standards. In the event
18、 of dispute resulting from the above comparison, the wool or mohair grade shall be determined by a width method (wedge) approved by the Government. The unit of product for this examination shall be 1 pound composite of grease wool or mohair, or 1/2 pound com- posite of white scoured wool or mohair,
19、or 1 yard of undyed top. The AQL shall be 4.0 test failures per 100 units. The inspection level shall :be Level 62, table VI1 of Ap- pendix to Standard MIL-STD-105. The lot MILC-10751B size shall be expressed in units of 1 yard each. 4.3.2 Inspection of the end item. Ai 4.3.2.1 Examinution of the en
20、cl item. De- fects found during the examination shall be classified in accordance with list shown in 4.3.2.1.1, 4.3.2.1.2 and 4.3.2.1.3. 4.3.2.1.1 Yaw.-l-by-yurd examination. The required yardage of each piece shall be in- spected on both sides and visual defects clas- sified as listed. The defects
21、found shall be counted regardless of their proximity to each other, except where two or more defects re- present a single local condition of the cloth, in which case only the more serious defect shall be counted. A continuous defect shall be counted as one defect for each warpwise yard or fraction t
22、hereof in which it occurs. The unit of product for this examination shall be 1 linear yard. The acceptable quality level (AQL) for this examination shall be 4.0 major defects and 10.0 total defects (majors and minors combined) per 100 units (yards). The sample size shall be based upon inspec- tion L
23、evel II, tzble III of Standard MIL STD-105. The sample size shall be expressed in units of 1 yard each. The number of pieces from which the sample is to be selected shall be in accordance with table II of 4.3.2.1.2. An approximately equal number of yards shall be examined in each piece of the sample
24、, Detecta Hole, cut or tear-three or more yarns ruptured in body of cloth . Smash-any Broken or missing yarns: Ground warp or filling-Two or more contiguous Single end 4 inches or more missing Single picks-more than 4 inches Pile warp-Two or more (either face) Single, more than 2 inches missing Sing
25、le, 2 inches or less missing Fine filling, fine filling bar, or light place-clearly noticeable . Classification Major X x X X X X Minor X x X Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-LO75LB 83 a 797770b 037bL4 7 MILC-10751B Defects Fine
26、end or pick or hard twist yarn-clearly noticeable Float-Ground warp-multiple . Filling-multiple Slack end (pile) either face . Skips, harness-multiple . Mispicks-resulting in unformed pile loops Hitchback, open place or weak place Coarse filling, coarse filling bar, heavy place-clearly noticeable .
27、Jerked in filling, slough off, dubs or slugs-more than three times the thickness of normal yarn . Knots-multiple-clearly noticeable Tight or slack end, tight or slack twist end, clearly noticeable File loop formation-Two or more rows of pile loops (face or back) not formed or poorly formed . Single
28、row of pile loops (face or back) not formed Two or more contiguous pile ends pulled Single pile end (face or back) pulled for 4 inches or more . Wrong draw Weak place or open place-clearly noticeable . Seluage cut, torn, broken or frayed Selvage curled, rolled, folded, loopy or scalloped : Width of
29、cloth inside defect less than specified Crease or wrinkle-hard embedded . Burrs or shiues-either face Spot, stain or streak-uncleaned and clearly noticeable . Washer rub (either face) resulting in a weak place . Narrow width-width less than specified Mixed filling or shade bar-clearly noticeable . .
30、r Classification Major X X X X X x. X X X X Minor X X X X X X X X X X X X X X X 4.3.2.1.2 Overall exurnhution. Each defect listed shall be counted not more than: once in each piece examined. The unit of product for this examination shall be one piece. The sample size (number of pieces selected as sa
31、mple) for this examination and the ac- ceptance number (maximum number of de- fects acceptable) shall be as shown in table II. Defects Finish not equd to standard. G Rancid or otherwise objectionable odor. Overall uncleanness. Width less than specified. Selvage defects that are continuous or inter-
32、Uneven weaving. When color is specified: mittent throughout the piece. Off shade, shaded end to end, side to side, side to center, or throughout the piece. Mottled, cloudy or streaky throughout. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-L
33、O751B 83 m 7779906 0376835 O m Not labeled in accordance with-the Wool Prod- ucts Act of 1939. TABLE II. Sample &e MILC-10751B ple (sample size) for this examination and the acceptance number shall be in accordance with table II of 4.3.2.1.2. - Sample size Acceptance Lot size in ya& in pieces number
34、 Up to 13001 6 O 1,301 to 3,200 7 O 3,201 to 8,000 10 O 8,001 to 22,000 . 16 O 22,001 to 110,000 26 1 110,001 and up . 50 1 %if a lot contains fewer than 5 pieces. each piece in the lot shall IR examined. 4.3.2.1.3 Examhation for length. 4.3.2.1.3.1 Im%vdml peces. The pieces shall be examined for gr
35、oss length. Any gross length found to be less than the specified minimum length, or any gross length found to be more than 1 yard below the gross length marked on the piece ticket shall be considered as a defect with respect to length. The unit. of product for this examination shall be one piece. Th
36、e number of pieces selected as sam- 4.3.2.1.3.2 Total qamkcge in sample. The lot shall be unacceptable if the total of the actual gross lengths of pieces in the sample is less than the total of the gross lengths marked on the piece tickets. 4.4 Tests. The methods of testing specified in Specificatio
37、n CCC-T-191, wherever ap- pliczble and as listed in table III and 4.4.1 shall be followed. The physical and chemical values specified in section 3 apply to the average of the determinations made on a unit of product for test purposes as specified in the applicable test method. For each charac- teris
38、tic, the acceptable quality level shall be 6.5 test failures per 100 units. The unit of product shall be ly2 continuous. yards, full width, of the finished cloth. The saniple size shall be in accordance with Level 62, table VI1 of Appendix to Standard MILSTD-105. The lot size shall be expressed in u
39、nits of 1 yard each. TABLE III. Test methods Test Yarn ply . Weight/ozs. square yard . Yarns per inch . Loops per square inch . Loop height Breaking strength . Color fastness Fastness to crocking . Fastness to perspiration1 . Fastness to wet dry cleaning . Fastness ta laundering-. Animal fiber conte
40、nt2 Weave Shrinkage in laundering . Non-fibrous material3 The transfer cloth shall consist of a warp of Requirement reference _ 3.3.2 Table I Table I Table I Table I Table I 3.4.2 3.4.2 3.4.2 3.4.2 3.6.1 3.5.3 3.7 3.6 Test method Visual 5041 5050 Visual Visual 5100 6650 5680 5622 5614 2100 Visual 55
41、52 2611 rlon 81 and-a 6-fiber filling, with equal bars of wool, spun nylon, SP rayon. spun silk, spun acetate and bleached cotton. Each 6-fiber repeat shall measure approximately 2 inches and ahall be separated by a waste filling stripe. %The resulta shall be calculated from the following formula: h
42、imai fiber content, wrFnt = -$x 100 -. 8 Spot test for pmtein with Millone reagent shall be orniW. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIM-10751B 4.4.1 Fluorine content, The percentage of fluorine shall be determined as foliows : 4.4.1.1
43、The chemicals, reagents, and indi- cator used shall be as follows: Chemicals and reagents : 50 percent H2S04 in distilled water N/100 Th ( NO3) 4 solution (by volume) N/10 HC1 solution 10 percent NaOH solution Indicator : 0.05 percent aqueous solu- tion alizarin red. 4.4.1.2 Procedure. Separate the
44、animal fibers from the vegetable fibers in the speci- men, retaining only the animal fibers. Weigh out a 0.5 gm. sample of the animal fibers and cut into small pieces. Transfer to a 500- ml., three-necked distilling flask, and add 40 -ml. of 50 percent sulfuric acid. Start distillation with strong f
45、lame after first heat- ing gradually to dissolve animal fiber. Im- merse lower end of condenser in 20 ml. of distilled water in receiving beaker to insure solution of gases. Avoid localized overheating by protecting flask with asbestos sheeting having a relatively small hole placed directly under th
46、e bottom of flask. Maintain liquor temperature between 135O and 14OOC. by dropping distilled water from separatory funnel inserted in one neck of flask. Collect 200 ml. or a minimum of 175 ml. of distillate, then make up to exactly 200 ml. in volu- metric flask. After shaking well, allow to rise to
47、surface in neck of volumetric flask any fats or waxes which may have distilled over, from which point they are readily shaken out. For titration take two 20 ml. aliquot parts, add two drops sodium alizarin sulfonate indicator and neutralize with 10 percent NaOH. Add five drops N/10 HC1 in excess. Ti
48、trate to a faint but definite pink coloration with N/100 Th ( NO3) 4 solution. For 0.6 gm. sample - total number Calculation : ml. MIL-C-1075ZB 83 W 9777906 037bZb 2 W 8 N/100 Th ( NO3) required X 0.038 = percentage of fluorine. Note 1. Twenty mi. aliquot of distillate should never require more than
49、 one drop 10 percent NaOH solution for neutraiization. When more ia required, contamination of the distillate by decomposition products (formed by localized overheating during distillation) is indicated. These products interfere with the titration. Note 2. The pH of the solution taken for titra- tion is important. The pH provided by the addition of five drops excess N/10 HCl is ideal e. 4.4.1.2). The use of buffers is not recommended because the end point is not w
