1、 Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data that may improve this document should be sent to: STDZNMGTdla.mil or Defense Supply Center Richmond, ATTN: DSCR-VEB, 8000 Jefferson Davis Highway, Richmond, VA 23297-5616. AMSC N/A FSC 6810 NOT MEASUREMENT
2、 SENSITIVE TT-N-97D 12 June 2007 SUPERSEDING TT-N-97C 6 January 1976 FEDERAL SPECIFICATION NAPHTHA; AROMATIC The General Services Administration has authorized the use of this federal specification by all federal agencies. 1. SCOPE AND CLASSIFICATION 1.1 Scope. This specification covers aromatic pet
3、roleum naphtha for use in the manufacture of paints and in the formulation of other industrial products. 1.2 Classification. The naphtha shall be of the following types according to the boiling range and of the following grades according to the aromaticity (solvent power). 1.2.1 Type. The type of na
4、phtha shall be as specified (see 6.2(b). Type I - 88 C to 140 C (190 F to 284 F) boiling range Type II - 129 C to 191 C (264 F to 376 F) boiling range Type III - 171 C to 218 C (340 F to 424 F) boiling range 1.2.2 Grade. The grade of the type I naphtha shall be as specified (see 6.2(c). Grade A - Hi
5、gh aromaticity Grade B - Low aromaticity Reactivated after 12 June 2007 and may be used for new and existing designs and acquisitions. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TT-N-97D 2 2. APPLICABLE DOCUMENTS 2.1 Government publications. The
6、 issues of the following documents, in effect on the date of invitation for bids or request for proposal, form a part of this specification to the extent specified herein. Federal Standards FED-STD-123 - Marking for Shipment (Civil Agencies). FED-STD-141 - Paint, Varnish, Lacquer and Related Materia
7、ls: Methods of Inspection, Sampling and Testing. (Activities outside the federal government may obtain copies of federal specifications, standards, and commercial item descriptions as specified in the General Information section of the Index of Federal Specifications, Standards and Commercial Item D
8、escriptions. The index is for sale on a subscription basis from the General Services Administration, Federal Supply Service, Specification Section, East 470 LEnfant Plaza SW, Suite 8100, Washington, DC 20407.) (Single copies of this specification, and other federal specifications and commercial item
9、 descriptions required by activities outside the federal government for bidding purposes are available without charge from the General Services Administration, Federal Supply Service, Specification Section, East 470 LEnfant Plaza SW, Suite 8100, Washington, DC 20407.) (Federal government activities
10、may obtain copies of federal standardization documents and the Index of Federal Specifications, Standards and Commercial Item Descriptions from established distribution points in their agencies.) Military Standards MIL-STD-1916 - DoD Preferred Methods for Acceptance of Product. (Copies of military s
11、pecifications and standards required by contractors in connection with specific procurement functions are obtained from the Standardization Document Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094. Electronic copies of specifications and standards may be obtained from http:/
12、assist.daps.dla.mil.) Code of Federal Regulations (CFR) 49 CFR 171-178 - Hazardous Materials Regulations. (The CFR and the Federal Register is for sale on a subscription basis from the Superintendent of Documents, P.O. Box 371954, Pittsburgh, PA 15250-7954. When indicated, reprints of certain regula
13、tions may be obtained from the federal agency responsible for issuing them. Electronic copies may be obtained from http:/www.access.gpo.gov/.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TT-N-97D 3 2.2 Other publications. The following documents
14、form a part of this specification to the extent specified herein. Unless a specific issue is identified, the issue in effect on the date of invitation for bids or request for proposal shall apply. ASTM International ASTM D 56 - Standard Test Method for Flash Point by Tag Closed Cup Tester. ASTM D 13
15、0 - Standard Test Method for Corrosiveness to Copper from Petroleum Products by Copper Strip Test. ASTM D 156 - Standard Test Method for Saybolt Color of Petroleum Products, (Saybolt Chromometer Method). ASTM D 235 - Standard Specification for Mineral Spirits (Petroleum Spirits) (Hydrocarbon Dry Cle
16、aning Solvent). ASTM D 611 - Standard Test Methods for Aniline Point and Mixed Aniline Point of Petroleum Products and Hydrocarbon Solvents. ASTM D 847 - Standard Test Method for Acidity of Benzene, Toluene, Xylenes, Solvent Naphthas, and Similar Industrial Aromatic Hydrocarbons. ASTM D 891 - Standa
17、rd Test Methods for Specific Gravity, Apparent, of Liquid Industrial Chemicals. ASTM D 1078 - Standard Test Method for Distillation Range of Volatile Organic Liquids. ASTM D 1093 - Standard Test Method for Acidity of Hydrocarbon Liquids and Their Distillation Residues. ASTM D 1296 - Standard Test Me
18、thod for Odor of Volatile Solvents and Diluents. ASTM D 1353 - Standard Test Method for Nonvolatile Matter in Volatile Solvents for Use In Paint, Varnish, Lacquer, and Related Products. ASTM D 1476 - Standard Test Method for Heptane Miscibility of Lacquer Solvents. (Private sector and civil agencies
19、 may purchase copies of these voluntary standards from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959. Electronic copies may be obtained from http:/www.astm.org/.) 3. REQUIREMENTS 3.1 Precautionary marking. Each unit container shall bear a label printed in
20、 bold type and securely affixed to the unit container (see 5.3.3). 3.2 Recovered materials. The offeror/contractor is encouraged to use recovered materials to the maximum extent practicable, in accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR). Provided by IHSNot for Resal
21、eNo reproduction or networking permitted without license from IHS-,-,-TT-N-97D 4 3.3 Materials. The naphtha shall consist entirely of hydrocarbons. 3.4 Requirements. The naphtha shall meet the requirements specified in table I and paragraphs 3.4.1 through 3.4.9 when tested as specified in 4.4. TABLE
22、 I. Characteristics and requirements. Requirements Type I Grade A Grade B Type II Type III Characteristics Min. Max. Min. Max. Min. Max. Min. Max. Specific gravity at 20 C/20 C 0.810 0.871 0.770 0.845 0.825 0.875 0.855 0.980 Flash point - - - - 27 C (81 F) - 50 C (122 F) - Aniline point - - - 32 C (
23、90 F) - - - - Mixed aniline point - 27 C (81 F) - - - 28 C (82 F) - 34 C (93 F) Distillation at 760 mm pressure initial boiling point 88 C (190 F) - 88 C (190 F)- 129 C (264 F) - 171 C (340 F) - 50 percent (by volume) 100 C (212 F) 116 C (241 F) 100 C (212 F)116 C (241 F) 143 C (289 F) 168 C (334 F)
24、 182 C (360 F) 200 C (392 F)End point - 140 C (284 F) - 140 C (284 F) - 191 C (376 F) - 218 C (424 F)Color, Saybolt number +25- +25 - +21 - +18 - Nonvolatile matter (gram/100 ml) - 0.2 - 0.2 - 0.2 - 0.2 3.4.1 Appearance. When tested as specified in 4.4.3, the naphtha shall be free from turbidity, su
25、spended matter, and sediment. 3.4.2 Odor. When tested as specified in 4.4.3.1, the naphtha shall have an odor characteristic of that of aromatic naphtha and shall have only a faint aromatic residual. 3.4.3 Copper corrosion. When tested as specified in 4.4.3, the naphtha shall produce no more than a
26、slight tarnish in accordance with Classification 1 of ASTM D 130 on the copper strip. The temperature of the naphtha and the time of immersion of the copper strip shall be as specified in table II for the different types of naphtha. Provided by IHSNot for ResaleNo reproduction or networking permitte
27、d without license from IHS-,-,-TT-N-97D 5 TABLE II. Copper corrosion. Naphtha Temperature Time Type I (grades A and B) 50 C (122 F) 3 hours Types II and III 100 C (212 F) 3 hours 3.4.4 Doctor test. When tested as specified in 4.4.3, the naphtha shall produce no black precipitate and no discoloration
28、 and shall not noticeably mask the yellow color of the sulfur film. 3.4.5 Spot test. When tested as specified in 4.4.3.2, the naphtha shall show no evidence of stain or residual oiliness. 3.4.6 Water test. When tested as specified in 4.4.3, the naphtha shall remain clear and produce no turbidity. 3.
29、4.7 Acidity. When tested as specified in 4.4.3, the naphtha shall show no evidence of acidity. 3.4.8 Residue. When tested as specified in 4.4.3, the residue of the naphtha shall contain no mineral acid. 3.4.9 Stability. When tested as specified in 4.4.3.3, the naphtha shall show no change in color,
30、appearance, odor, or acidity as specified in table I for the color requirement, 3.4.1, 3.4.2, and 3.4.7. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract, the contractor is responsible for the performance of all inspection requirements as
31、specified herein. Except as otherwise specified in the contract, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the government. The government reserves the right to perform any of the inspecti
32、ons set forth in the specification where such inspections are deemed necessary to assure that supplies and services conform to prescribed requirements. 4.2 Quality conformance inspection. Quality conformance inspection shall consist of the examinations of paragraph 4.3 and the tests of 4.4. 4.3 Exam
33、ination. 4.3.1 Lot. For the purposes of sampling, a lot of the naphtha shall consist of a manufacturers batch. A batch is defined as the end product of all raw materials mixed, blended, or processed in a single operation. Provided by IHSNot for ResaleNo reproduction or networking permitted without l
34、icense from IHS-,-,-TT-N-97D 6 4.3.2 Examination of filled containers. A random sample of filled containers shall be selected in accordance with inspection level I of MIL-STD-1916. Each sample filled container shall be examined for defects of construction of the container and the closure for evidenc
35、e of leakage and for unsatisfactory markings. Each filled container shall also be gauged to determine the amount of contents. The sample unit shall be one container fully prepared for delivery. The lot shall be the number of containers offered for delivery at one time. An examination shall be made t
36、o determine compliance with the requirements. Defects shall be scored as specified in table III. Any major defect shall be cause for rejection of the entire lot. TABLE III. Examination of preparation for delivery. Examine Defects Major Minor Container Not as specified. 101 Content Not as specified.
37、102 Markings Omitted; incorrect; illegible; improper size, location, sequence or method of application. 201 Material Component missing or damaged. 103 Workmanship Bulging or distortion of containers. Cushioning inadequate or improper. Inadequate closure. 104 4.4 Testing of the end item. 4.4.1 Sampli
38、ng for testing. For the purposes of sampling, the lot shall be expressed in units of gallons of naphtha. The sample unit for testing shall be one quart of naphtha randomly selected from containers in the lot. The naphtha shall be placed in separate clean, dry, metal or glass containers, sealed, mark
39、ed, and forwarded to the testing laboratories. The sample size shall be as specified in table IV. TABLE IV. Sample size. Lot size (gallons) Sample size 800 or less 2 801 up to and including 22,000 3 22,001 and more 5 4.4.2 Standard test conditions. Unless otherwise specified, all test specimens shal
40、l be prepared and tested in a room having a temperature of 23 C 1 C (73 F 2 F) and a relative humidity of 50 percent 5 percent. 4.4.3 Test methods. All tests shall be conducted in accordance with the methods specified in table V to determine compliance with the requirements of 3.4. Provided by IHSNo
41、t for ResaleNo reproduction or networking permitted without license from IHS-,-,-TT-N-97D 7 TABLE V. Test methods. Test ASTM standard FED-STD-141 test method Paragraph Specific gravity 20C/20C D 891 Flash point D 56 Aniline point D 611 Mixed aniline point D 611 Distillation D 1078 Color D 156 Nonvol
42、atile matter D 1353 Appearance 4261 Odor D 1296 4.4.3.1 Copper corrosion D 130 Doctor test D 235 Spot test 4.4.3.2 Water test D 1476 Acidity D 847 Residue D 1093 Stability 4.4.3.3 4.4.3.1 Odor. The residual odor of the naphtha shall be determined after the filter paper has been allowed to dry at sta
43、ndard conditions (see 4.4.2) for 24 hours. 4.4.3.2 Spot test. 4.4.3.2.1 Apparatus. No. 2 Whatman or equal 12.5 cm in diameter filter paper. 4.4.3.2.2 Procedure. Transfer five drops of the sample by means of a small pipette or burette to the center of a No. 2 Whatman (or equivalent) filter paper, 12.
44、5 centimeters (cm) in diameter support on a 7-cm crystallizing dish and allow the liquid to evaporate at 21 C to 32 C (69.8 F to 89.6 F), away from direct sunlight and strong drafts. Examine the paper visually for the presence of any stain or residual oiliness after 30 minutes. 4.4.3.3 Stability. 4.
45、4.3.3.1 Apparatus. The apparatus shall consist of a glass container such as an 8-ounce oil bottle, a suitable metal bomb to hold the glass container at the required pressures, and a water or a steam bath. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,
46、-,-TT-N-97D 8 4.4.3.3.2 Procedure. Approximately 200 milliliters of naphtha shall be placed in the glass container and the glass container placed in the metal bomb. A cap of glass or other oxygen-resistant material shall be placed loosely over the mouth of the glass container and the bomb shall be c
47、losed. The bomb shall be charged with oxygen to a pressure of 95 pounds per square inch (psi) to 100 psi. The pressure shall be released to the air. The charging and release operation shall be repeated. The bomb shall be charged with oxygen a third time to a pressure of 98 psi to 100 psi and tested
48、for leaks. If no leaks are found, the charged bomb shall be placed in the water or steam bath maintained for 98 C to 100 C (208 F to 212 F) for a period of 4 hours 5 minutes. The bomb shall then be removed from the bath and cooled in cold water. After the bomb has cooled, the pressure shall be released and the glass container shall be removed. The naphtha shall be tested to determine compliance with the requirements of 3.4.9. 5. PACKAGING 5.1 Packaging. Packaging shall be level A, B, or C, as specified (see 6.2(d). 5.1.1 Civil agencies. The naphtha of
