1、February 11, i972 SUPERCEDING Fed. Spec. KK-L-17OB December 26, i968 FEDERAL SPECIFICATIOIJ LEATHER, KIDSgN OR GOATSKIN, CHROME TARNED This specification was approved by the Commissioner, Federal Supply Service, General Services Administration, for the use of ail Federal agencies 1. SCOPE AND CWSIFI
2、CPrPION 1.1 Scope. This specifcation covers requirements for fuli grain, chrome tanned, kidskin and goatskin, 1.2 Classification. 1.2.1 Classes. The leather shall be furnished in the following classes as specified (see 6.2 an 6.4): - - Class 1 - Mldew-resistant treated. Class 2 - Not mildew-resistan
3、t treated. 2. APPLICABLE DOCUMENTS 2.1 The following documents, of the.issues in effect on date of invitation for bids or request for proposal, form a part f this specification to the extent specified herein: Federa Standards : / Fed-. Std. NQ. 123 - Marking for Domestic Shipment (Civil Agencies). F
4、ed. Std. No. 311 - Leather, Methods of Sampling and Testing, (Activities outside the Federal Government may obtain copies of Federal. Specifications, Standards, and Handbooks as outlined under General Information in the Index of Federal Specifications and Standards and at the prices indicated in the
5、 Index. issued, is for sale on EL subscription basis by the Superintendent of Documents, U.S Government Printing Office, Washington, D .C . The Index, which includes cumulative monthly supplements as 20402. FSC 8330 Provided by IHSNot for ResaleNo reproduction or networking permitted without license
6、 from IHS-,-,-L- KK-L-L70C 83.- 7979974 00505bL 7 - I- KK-L-IIOC (Single copies of this specification and other Federal Specifications required by activities outside the Federa Government for bidding purposes are available Kithout charge from Business ServiceCenters at the General Services Adminis-
7、tration Regional Offices in Boston, New York, Washington, D.C. , Atlanta, Chicago, Kansas City-, b, Fort Worth, Denver, San Francisco, Los * (see 6.2). A tolerance of 2 1/2 ounez shall be permitted. - - 3.2.3 Color. 3.2.4 Dyeing. ahall be drum wed. grain to flesh side. . The - color of the leather s
8、haU be uniform and as specified When other than natural color is specified, the leather - -_ The dye shdZ-mmpletely penetrate the leather from 1 2 I .- . i. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-IN-L-17OC 3.2.5 Finish. The leather shall hav
9、e a light application of finish on the grain surf ace. 3,2.6 Colorfastness (resistance to rubbing). The leather shall be tested for resistance to crocking in accordance with 4.3. specified, the leather shall not be tested for crocking. crock cloths shall be not lower numerically than Munsell value 9
10、.0. When natural color is Staining of the 3.2.7 Stainin%. The leather shall be tested for resistance to staining in accordance with 4.3. numerically than AATCC value 4. Staining of the test pads shall be not lower 3.2.8 Finish stability-. The finish shall not crack, part from the leather or become t
11、acky when tested as specified in 4.3. 3.2.9 Cracking (low temperature). The leather shall not crack and the finish shall neither crack nor part from the leather when tested as Specified in 4.3. 3.2.10 Elongation. Not less than 80 per cent of the specimens tested shall have a minimum elongation of 20
12、 percent and a maximum elongation of 70 percent at a load of 25 pouns when tested as specified in 4.3. specimen that breaks or exhibits grain crack at or below 25 pounds shall be a test failure . Any 3.2.11 Stitch tearing strength. Not less than 80 percent of specimens tested shall have a ninimum st
13、itch tearing strength of 20 pounds when tested as specified in 4.3. 3.2.12 Shrinkage temperature. The shrinkage temperature of the leather shall be not less than 97OC when tested as specified in 4.3. 3.3 Chemical requirements. 3.3.1 Class 1. When class 1 leather is specified (see 6.2), the leather s
14、hall contain not less than 0.18 percent nor more than 0.70 percent paranitrophenol fungicide when tested as specified in 4.3. 3.3.2 The leather shall conform to the requirements of table I when tested as specified in 4.3. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without
15、 license from IHS-,-,-IN-L-170C KK-L-170C 3 W 7774774 00505b3 2 W TIIBLE I. Chemical requirements Characteris tic Chlorofomsoluble material (percent) - i/ Ash (percent) L/ Chromic oxide (percent) L/ pH value Minimum - - 3.0 3.3 Maximum 25 .O 9 :o - - - i/ Calculated on the moisture free basis. 3.4 W
16、orkmanship. The leather shall conform to the quality and grade of product established by this specification. not exceed the applicable acceptable quality levels. The occurrence of defects shall 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contr
17、a& or purchase order, the supplier is responsible for the performance of a11 inspection requirements as specified herein. Except as otherwise specified in the contract or order, the supplier may use his own or any other facilities suitable for the performance of the inspection requirements specified
18、 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 are deemed necessary to assure that supplies and services conf om to prescribed requirements. 4.1.1 Certificate of compliance. Wher
19、e certificates of compliance are submitted, the Government reserves the right to check test such items to determine the validity of the certification. 4.2 Inspection. Sampling for inspection shall be performed in accordance with Fed. Std. No. 311, except where otherwise indicated hereinafter. 4.2.1
20、Component and material inspection. In accordance with 4.1 above, components and materials shall be tested in accordance with all the requirements of referenced specifications, drawings, and .standards, unless otherwise excluded amended, modified, or qualified in this specification or applicable purc
21、has e document. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-KK-L-lIOC 4.2.2 Examination of the end item. The classification of defects found during the examination of the leather for visual and dimensional character- istics shall be in accordan
22、ce with 4.2.2.1 and 4.2.2.2. for these exandnations shall be one whole skin. expressed in units of one whole skin. more defects shall be classified as a defective unlt. performedin accordance withFed. Std. No. 3li except that a sample size of 15 and a rejection number of 2 shall be applicable for th
23、ickness determinations on lots consisting of 51 or more skins. performed for visual and dimensional characteristics, but the same sainple may be used for each exdnation. The sample unit Any sample unit containing one or Sampling shall be The lot size shall be Separate examinations shall be 4.2.2.1 E
24、xamination for visual characteristics Examine Defect Material Trim Not full grain kidskin ar goatskin Not whole skins or not trimmed as specified. Color 1 Not as specified. Not uniform throughout grain surf ace. . Dyeing Dye does not completely penetrate from grain to flesh. Quality of leather Stain
25、 or .foreign matter. Flesh side not free of loose flesh. Not soft and pliable. Any cut, hole, brand, hip mark, vein, scratch, wrinkle or other imperfec- tions that individually or collecti-vely cause more than a 15 percent loss in the total area of the skin. Light well healed scratches and grub hole
26、s, light wrinkles, and slight NOTE: stains shall .not be classified as defects. 4.2.2.2 Examination for dimensional characteristics, Examine Defect Area (expressed in terms of square feet) Marking Less than area marked on skin. Omitted, illegible, or not in area specified. Thickness i./ Not as speci
27、fied. I l/ I Thickness shall be determined in accordance with method 1011 of Fed. Std. No, 311, except that no individual thickness measurement shall be less than the minimum or greater than the maximum specified. - 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without licen
28、se from IHS-,-,-KK-L-L70C 3 W 999997Ll 0050565 6 W KK-L -1 70 C 4.2.3 Examlnation of preparation for delivery requirements , An examination shall be made in accordance with the provisions of PILL-L-43432 to determine whether packaging, packing and marking comply with the section 5 requirements . 4.3
29、 End item testing, The methods of testing specified in Fed. Std. No. 3ll, wherever appdkable and as listed in table 11, shall be followed. procedure and location from which the sample unit is to be obtained shall be in accordance with Fed, Std. No, 311. All test reports shall contain the individual
30、values utilized in expressing the final result, if any one of the following conditions exist: Sampling The lot shall be rejected a. More than three test failures occur for stitch tearing strength or elongat ion . b. More than one test failure occurs for the remaining requirements applicable to the s
31、ample unit, c. Any composite test result fails to meet the specified requirement. TABLE II. End item tests Characteris tic Material Colorfastness Staining Finish stability Cracking Elongation Stitch tearing strength Shrinkage t emperat Ure Paran it ropheno 1 6 Requirement paragraph 3.1 .3.2.6 3.2.7
32、3.2.8 3.2.9 3.2.10 3.2.11 3.2.12 3.3.1 Test IW thod - i/ 30 31 3021 4.4.1 4.4.2 20 21 2151 7011 6 711 iequirement pplicab iample unit - X X X X X X X - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- KK-L-17OC 83 7777774 005056b 8 H KK-L-17OC TABLE
33、II. End item tests (contd) RequP remnt Characteristic . paragraph Chlo rof om-soluble material 3.3.2 Ash a. 3.2 Chromic oxide 3.3.2 pB value 3.3.2 Requirement applicable to I- Sample 1 Composite Tes t method unit X 6341 - X 6421 - X 6515 - 6621 - X - i/ Unless otherwise specified,. a certificate of
34、compliance shall be sub- Inittecl and will be acceptable for the stated requirement, 4.4 Tests. 4.4.1 Finish stability. The leather specimen shall be cut from the sample unit and shall be 10 4 2 centimeters square. be placed in a circulating air oven at 55 to 6OoC by hanging so that com- plete circu
35、lation of the air around the specimen is possible. shall be expose9 for 20 C 1/4 hours and allowed to cool. the leather specimen shall be doubled over with the grain side in, the folded edge creased slightly, and the finished grain surface rubbed together. grain surface shall be examined for cracks,
36、 parting of the finish from the leather, and tackiness. One specimen shall be tested from each sample unit, The presence of cracks, parting of the finish from the leather and tackiness shall be reported. The specimen shall The specimen After cooling, The 4.4.2 Cracking (low temperature). The leather
37、 shall be tested in apcord- ance with method 7211 nf Fed. Sta. No. 311 except that the specimen shall be exposed to a temperature of minus 20C for 30 minutes and shall bebent grain side out through a radius of 180 degrees around a 1/4 inch mandreli The grain side of the leather shall be exadned for
38、cracks and parting of the finish from the leather in the area of the bend. parting of the finish from the leather shall be reported. The presence of cracks and 5. PREPARATION FOR DELIVEXY 5.1 Packaginq. Packaging shall be level A or C as specified (see 6.2). 7 Provided by IHSNot for ResaleNo reprodu
39、ction or networking permitted without license from IHS-,-,- - KK-L-L7OC 83 7779774 O050567 T H 5.1.1 Levels A and C. Leather shall be packaged in accordance with the applicable requirements of NIL-L-43432. 5.2 Packing. Packing shall be level A, B, or C as specified (see 6.2). 5.2.1 - Levels A, B, an
40、d C. Leather shall be packed in accordance with the applicable requirements of MIL-L-43432. 5.3 Marking, 5.3.1 Civil agencies. In addition to any special marking required by the contract or order, interior packages and shipping Containers shall be marked in accordance with Fed. Std, No. 123. 5.3.2 M
41、ilitary requirements. In addition to any special marking required by the contract or order, interior packages and shipping containers shall be marked in accordance with MIL-L-43432. 6. NOTES 6.1 Intended use. The leather is primarily intended for use in flying jackets, slippers, garments and equipag
42、e items, 6.2 Ordering data. Purchasers should select the preferred options permitted herein and include the following information in procurement documents : (a) (b) Class required (see 1.2.1), (c) Thickness required (see 3,2.2). (d) Color required (see 3.2.3). (e) Title, number and date of this spec
43、ification. Selection of the applicable levels of packaging and packing (see 5.1 and 5.2). 6.3 Staining. The AATCC Color Transference Chart can be obtained from National Headquarters, Box 12215, Research Triangle Park, North Carolina 27709. 6.4 Supersession data, The type I full grain leather with fi
44、nish applied to grain side specified in IN-L-170B is the only type of leather covered by this specification, consequently, there is no longer a need to designate this leather as type I. The type III leather specified in KK-L-170B has been deleted in this specification based on a study which indicate
45、s there isano longer a need in Government for type III leather. oll resistant leather specified in KK-L-170A was deleted in KK-L-17OB. The type II full grain 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
