GSA L-P-519 C-1977 PLASTIC SHEET TRACING GLAZED AND MATTE FINISH《塑料板 高光和无光饰面寻迹》.pdf

1、L-P-5L7C 73 7777774 0007337 7 mi 1 FEDERA .L SPE CIFICATI L-P-519C July 7, 1977 SUPERSEDING Fed. Spec. L-P-519B December 9, 1966 ON PLASTIC SHEET: TRACING, GLAZED AND MATTE FINISH This specification was approved by the Commissioner, Federal Supply Service, General Services Administra- tion, for the

2、use of all Federal agencies. 1. SCOPE AND CLASSIFICATION * 1.1 Scope. This specification covers plastic material in sheet or roll form with a glazed or matte finish of such a quality to make it acceptable for use in tracing of drawinEs, the rendering of orieinal drawings, as overlay sheets, and for

3、other similar purposes requiring strength and durability. 1.2 Classification. 1.2.1 Types and classes. Plastic sheet, tracing, covered by this specification shall be of the following types and classes as specified in the contract or purchase order (see 6.2): Type 1 - Matte drafting surface, glazed b

4、ack. Type II - Both sides matte finish. Type III - Both sides glazed. Class 1 - Material with strength, durability, and dimensional stability. Class 2 - Material with strength and durability. 1.2.2 Forms. Plastic sheet, tracing, covered by this specification shall be furnished in sheets or rolls and

5、 in the thicknesses as specified in the contract or purchase order (see 6.2). 1.2.3 Sizes (dimensions). (see 3.3 and 6.2). 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 of this specification to the ext

6、ent specified herein: Federal Specifications: TT-1-528 - Ink, Drawing, Waterproof, Black. PPP-T-60 - Tape, Packaging, Waterproof. Federal Standard: Fed. Std. No. 123 - Marking for Shipment (Civil Agencies). (Activities outside the Federal Government may obtain copies of Federal Specifica- tions, Sta

7、ndards, and Handbooks as outlined under General Information in the Index of Federal Specifications and Standards and at the prices indicated in the Index, The Index, which includes cumulative monthly supplements as issued, is for sale on a sub- scription basis by the Superintendent of Documents, U.S

8、. Government Printing Office, Washington, DC 20402. THIS DOCUMENT CONTAINS I/ PAGES. . . “ . FSC 9330 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-L-P-519C L-P-517C 73 m 7777774 0007338 O mi (Single copies of this specification and other Federal S

9、pecifications required by activities outside the Federal Government for bidding purposes are available with- out charge from Business Service Centers at the General Services Administration Regional Offices in Boston, New York, Philadelphia, Washington, DC, Atlanta, Chicago, Kansas City, MO, Fort Wor

10、th, Houston, Denver, San Francisco, Los Angeles, and Seattle, UA (Federal Government activities may obtain copies of Federal Specifications, Stand- ards, and Handbooks and the Index of Federal Specifications and Standards from estab- lished distribution points in their agencies.) Military Standard:

11、MIL-STD-105 - Sampling Procedures and Tables for Inspection by Attributes, (Copies of Military Specifications and Standards required by contractors in connec- tion with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.) 2.2 Other

12、 publications. The following documents form a part of this specification to the extent specified herein. Unless a specific issue is identified, the issue in effect on date of invitation for bids or request for proposal shall apply. American National Standards Institute (ANSI) Standard: PH1.32 - Meth

13、ods for Determining the Dimensional Change Characteristics of Photographic Films and Papers. (Appli.cation for copies should be addressed to the American National Standards Institute, Inc., 1430 Broadway, New York, NY 10018.) American Society for Testinp: and Materials (ASTM) Standard: D 882 - Tests

14、 for Tensile Properties of Thin Plastic Sheeting. (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) Technical Association of the Pulp and Paper Industry (TAPPI) Test Method: T 425 - Opacity of Paper. (Application

15、 for copies should be addressed to the Technical Association of the Pulp and Paper Industry, One Dunwoody Park, Atlanta, GA 30341. ) National Motor Freight Traffic Association, Inc., Agent: National Motor Freight Classification, .(Application for copies. should be addressed to the American Trucking

16、Associations, Inc., Traffic Department, 1616 P Street, N.W., Washington, DC 20036.) Uniform Classification Committee, Agent: Uniform Freight Classification. (Application for copies should be addressed to the Uniform Classification Committee, Room 1106, 222 South Riverside Plaza, Chicago, IL 60606.)

17、3. REQUIREMENTS 3.1 Material. The rolls and sheets shall be made from plastic compounds. When specified in the contract or purchase order, the plastic sheets and rolls shall have an anti-static property (see 6.2). 3.2 Title block (sheet form only). When specified in the contract or purchase order, t

18、he sheet shall be furnished with a title block. The location, format, and wording of the title block shall be as specified (see 6.2). 2 -: D . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-L-P-5L7C 73 m 7777774 0007337 2 mi L-P-519C 3.3 Dimensions.

19、 The length and width of the sheets, and width of the rolls, shall be selected from among the common commercial sizes listed in Table I. Rolls shall be furnished in lengths of 18 or 45 meters (20 or 50 yds), or multiples thereof, as specified in the contract or purchase order. The thickness of the b

20、ase material, excluding coating, shall be from 0.05 to 0.178 mm (0.002 to 0,007 inch) plus or minus 20 percent of the specified thickness (see 6.2). 3.3.1 Sheet sizes. Sheets of plastic shall be cut square on four sides and shall be cut to the sizes specified. The dimensions shall not vary more than

21、 2 1.6 mm (+ 1/16 inch) for sizes up to 30.5 x 457 cm (12 x 18 inches) inclusive, Sheets larger than 30.5 x 45.7 cm shall not vary more than + 2.4 mm (+ 3/32 inch). 3.3.2 Roll sizes. Rolls shall be wound at even tension on hollow cores, the inside diameters of which shRll be not less than 25.4 mm (o

22、ne inch) nor more than 76.2 mm (3 inches) unless otherwise specified in the contract or purchase order. Tolerance on roll widths shall be plus 9.5 mm (plus 3/0 inch), minus O mm (minus O inch), Tolerance on the roll length shall be plus 46 cm (18 inches), minus O mm (minus O inch). 3.3.2.1 Splices i

23、n rolls. Rolls of plastic furnished by the manufacturer in lengths of 18 meters (20 yards) may contain one splice but neither length of the plastic material shall be less than 3.6 meters (4 yards). Rolls in lengths of 45 meters (50 yards) may contain two splices, but no piece shall be less than 3.6

24、meters (4 yards) in length. At least 0.45 meter (1/2 yard) of material shall be added to the roll for each splice. All splices shall be overlapping, or open, and shall be flagged at one side.of the roll with projecting colored markers. TABLE I. Common commercial sizes Sheet sizes Roll widths Inches

25、Millimeters Inches Millimeters B x 10 112 203.2 x 266.7 24 8 112 x 11 609 6 215.9 x 279.4 27 685.8 8 112 x 14 215.9 x 355.6 30 762.0 g x 12 228.6 x 304.8 36 914.4 11 x 17 273.4 x 431.8 42 1066.8 12 x 18 17 x 22 304.8 x 457.2 54 1371.6 431.8 x 558.8 18 x 24 457.2 x 609.6 22 x 32 558.8 x 812.8 23 x.25

26、 584.2 x 635.0 24 x 30 609.6 x 762.0 24 x 36 609.6 x 914.4 28 x 40 711.2 x 1016.0 30 x 42 762.0 X 1066.8 34 x 44 863.6 x 1117,6 22 x 34 558.8 x 863.6 3.4 Tensile strenRth. The tensile -strength of the material shall be not less than 103.4 MPa (15,000 pounds per square inch) in the lengthwise directi

27、on when tested as specified in 4.4.1. 3.5 Finish, Type I sheets or rolls shall be furnished with a matte finish surface and a glazed.back. Type II sheets or rolls shall be furnished with both sides matte finished. Type III sheets or rolls shall be furnished with both sides glazed. 3.6 Opacity. The o

28、pacity of the material shall not exceed*40 percent for both sides matte, 35 percent for one side matte, and 15 percent for glazed sheet xhen tested as specified in 4.4.2. 3.6.1 Opacity after heat aging. The opacity of the heat-aged material shall not increase more than 5 percent or increase printing

29、 time on a diazo or blueprint machine by more than 20 percent from the original unaged value when tested as specified in 4.4.2.1. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-L-P-519c 3.6.2 Opacity after ultraviolet aging. When tested 6s specifi

30、ed in 4.4.2.2, exposure of the material to ultraviolet radiation shall not increase opacity more than 5 percent or its printing time on a diazo or blueprint machine by more than 20 percent. 3.7 Dimensional stability (class 1 only). Class 1, type I, II, or III material shall meet the dimensional stab

31、ility requirements as follows: 3.7.1 Thermal coefficient of expansion. Class 1 material shall have a thermal coefficient of expansion not exceeding 0.0020% for each degree Celsius change of temperature in the range from 23 to 49 (0.0011% for each degree Fahrenheit change of temperature in the range

32、from 73.4O to 120F) when tested as specified in 4.4.3.1 3.7.2 Hygroscopic coefficient of expansion. Class 1 material shall have a hygro- scopic coefficient of expansion not exceeding 0.002Oj for each percent change in relative humidity in the range from 20 to 90 percent relative humidity at temperat

33、ure of 23 +l.lC (73.4 - + 2F) when tested as specified in 4.4.3.1. 3.7.3 Thermal change. The residual change of the class 1 material shall not exceed 0.11 percent at 82.2O 2 l.lC (180 - + 2F) when tested as specified in 4.4.3.2. 3.7.4 Hygroscopic change. The residual change of the class 1 material a

34、t 90 percent relative humidity shall not exceed 0.07 percent when tested as Specified in 4.4.3.3. 3.8 Coating adhesion (matte finish). Material furnished with a coating shall meet the coating adhesion test specified in 4.4.4. 3.9 Water immersion. The material shall not deteriorate after immersion in

35、 water for 5 minutes and then dried. Coated material shall pass the coating adhesion test specified in 4.4.4 after immersion (see 4.4.5). 3.10 Pencil-take (matte finish only). When the matte surface of the sheet is tested as specified in 4.4.6, a 3H pencil lead and a plastic lead of equal hardness,

36、sharpened to a 0.025-mm (0.010-inch) diameter conical point, shall produce lines which are continuous and unbroken. 3.11 Pencil erasing,. Pencil lines drawn on the sheet shall be capable of being erased with a grit-free eraser without leaving reproducible ghost lines. There shall be no noticeable lo

37、ss of pencil-take after three erasures are performed on the same area. Erasures shall not cause the matte finish to burnish or gloss such as to provide reflective qualities detrinental to photographic (microfilm, etc.) reproductions (see 4.4.7). 3.12 Ink test. Ink lines drawn on the material shall n

38、ot be removed when tested as specified in 4.4.8. 3.13 Ink erasing. Ink lines prepared as specified in 4.4.9 shall be capable of being erased with a water-moistened grit-free eraser without removing the matte finish on the plastic sheet (see 4.4.9). 3.14 Typing and erasing. Typing on the plastic shee

39、t with a standard commercial carbon ribbon shall result in distinct characters which shall be capable of being . erased without leaving reproducible ghost lines when tested as specified in 4.4.10. 3.15 Curl. The curl of the finished material shall not be greater than 12mm (1/2 inch-mn the material i

40、s tested as specified in 4.4.11. 3.16 Flatness. The flatness factor of the finished material shall not be greater than 0.01 when the material is tested as specified in 4.4.12. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-L-P-519C 3.17 Workmanshi

41、p. The material shall be free from holes, cracks, scratches, and other defects which might affect its appearance or serviceability, The working surface shall show no broken areas, pinholes, and any other irregularities which would make the surface unsatisfactory for the intended use. 4. QUALITY ASSU

42、RANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contract or order, the contractor may use his o

43、wn or any other facilities suitable for the perform- ance of the inspection requirements specified herein, unless disapproved by the Govern- ment. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure

44、that supplies and services conform to prescribed requirements. 4.2 Sampling for inspection and acceptance. Sampling for inspection and acceptance shall be performed in accordance with the provisions set forth in MIL-STD-105, except where othirwise indicated herein. - ,. . . . 4.3 Inspection. 4.3.1 E

45、xamination procedures. Examinations shall be made in accordance with the classification of defects, inspection levels, and acceptable quality levels (AQLs) set forth below. The lot size, for purposes of determining the sample size in accordance with MIL-STD-105, shall be expressed in units of shippi

46、ng containers for examination in 4.3.1.1 and in units of packages of plastic sheets or rolls of plastic sheet material, as applicable, for examination in paragraphs 4.3.1.2 through 4.3.1.4. 4.3.1.1 Examination of preparation for delivery. An examination shall be made in accordance with table II to d

47、etermine that the packing and marking comply with the requirements of section 5. The sample unit for this examination shall be one shippine container, fully packed and marked, selected just prior to the closing operation. Shippine containers fully prepared for delivery shall be examined for closure

48、defects. Samples shall be selected in accordance with inspection level S-2, and the AQL shall be 4.0 percent defective. TABLE II. Examination of preparation for delivery -.Packing Not level specified; not in accordance with contract requirements. or otherwise defective, affecting serviceability. spe

49、cified or required methods or materials. closures of caseliners, container flaps, loose or inadequate strappings, bulCed or distorted containers. Count . Less than specified or indicated quantity of packages or Weight Gross weight exceeds specified requirements. Markine; Omitted, illegible, incorrect, incomplete, or not in Any nonconforming component, component missing, damaged, Container not as specified; closures not accomplished by -. Inadequate application of components such as incomplete -. r