1、TT-R-2918AMarch 1 9 , 2001SUPERSEDINGTT-R-2918A pril 30 , 1997FEDERAL SPECIFICATIONREMOVER, PAINT, NO HAZARDOUS AIR POLLUTANTS ( HAPS )The General Services Administration has authorized the use of this federal specificationby all federal agencies.1. SCOPE AND CLASSIFICATION1.1 Scope . This specifica
2、tion establishes the requirements for two types of paint removerwhich contain no hazardous air pollutants ( HAPS ).1.2 Classification . The paint removers covered by this specification shall be of the followingtypes as specified.Type I - For removal of epoxy primer/polyurethane topcoat and flexible
3、polyurethaneprimer/polyurethane topcoat coating (paint) systemsType II - For removal of polysulfide sealant-based coating systems2. APPLICABLE DOCUMENTS2.1 Government publications . The following documents, of the issues in effect on the dateof invitation for bids or request for proposal, form a par
4、t of this specification to the extentspecified herein.Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data thatmay improve this document should be sent to: Commander, Naval Air Warfare Center AircraftDivision, Code 414100 B120-3, Highway 547, Lakehurst, NJ 08
5、733-5100 .FSC 8010NOT MEASUREMENTSENSITIVEINACTIVE FOR NEW DESIGN AFTER 29 DECEMBER 2000Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TT-R-2918A2FEDERAL SPECIFICATIONSA-A-58054 - Abrasive Mats, Non-Woven, Non-MetallicQQ-P-416 - Plating, Cadmium (El
6、ectrodeposited)TT-P-2756 - Polyurethane Coating: Self-Priming Topcoat, Low VolatileOrganic Compounds (VOC) ContentTT-P-2760 - Primer Coating: Polyurethane, Elastomeric, High-SolidsCCC-C-440 - Cloth, Cheesecloth, Cotton, Bleached And UnbleachedFEDERAL STANDARDSFED-STD-141 - Paint, Varnish, Lacquer an
7、d Related Materials: Methods ofInspection, Sampling and TestingFED-STD-313 - Material Safety Data, Transportation Data and Disposal Datafor Hazardous Materials Furnished to Government Activities(Activities outside the Federal Government may obtain copies of federal specificati ons , andstandards , a
8、nd c ommercial it em d escriptions as specified in the General Information section of theIndex of Federal Specifications , Standards , and Commercial Item Descriptions . The Index is forsale on a subscription basis from the Superintendent of Documents, U.S. Government PrintingOffice, Washington, DC
9、20402.)(Single copies of these specifications and other federal specifications required by activitiesoutside the Federal Government for bidding purposes are available without charge from theGeneral Services Administration, Federal Supply Service , Specification Section, Suite 8100,470 LEnfant Plaza,
10、 SW, Washington, DC 20407.)(Federal Government activities may obtain copies of federal standardization documents andthe Index of Federal Specifications, Standards, and Commercial Item Descriptions fromestablished distribution points in their agencies.)MILITARY SPECIFICATIONSMIL-A-8625 - Anodic Coati
11、ngs for Aluminum and Aluminum AlloysMIL-PRF-23377 - Primer Coatings: Epo xy, High-SolidsMIL- C -81706 - Chemical Conversion Materials for Coating Aluminum andAluminum AlloysMIL-PRF-81733 - Sealing and Coating Compound, Corrosion InhibitiveMIL-PRF-85285 - Coating: Polyurethane, High-SolidsMIL-PRF-855
12、82 - Primer C oatings: Epoxy, WaterborneProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TT-R-2918A3MILITARY STANDARDSMIL-STD-2073-1 - DoD Standard Practice for Military Packaging(Copies of military specifications and standards required by contractors
13、 in connection withspecific procurement functions are obtained from the Standardization Document Order Desk ,Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.)CODE OF FEDERAL REGULATIONS (CFR)OCCUPATIONAL SAFETY AND HEALTH STANDARDS29 CFR 1910.1200 - Toxic and Hazardous Substances - Haza
14、rd CommunicationsPROTECTION OF THE ENVIRONMENT40 CFR 61 - National Emission Standards For Hazardous Air Pollutants40 CFR 82 - Protection of Stratospheric Ozone40 CFR 401 - Effluent Guidelines and Standards - Gene ral Provisions40 CFR 796.3100 - Aerobic Aquatic Biodegradation(The code of Federal Regu
15、lations (CFR) and the Federal Register (FR) are for sale on asubscription basis from the Superintendent of Documents, U. S. Government Printing Office,Washington, DC 20402. When indicated, reprints of certain regulations may be obtained from thefederal agency responsible for issuing them . )2.2 Othe
16、r publications . The following documents form a part of this specification to theextent specified herein. Unless a specific issue is identified, the issue in effect on date of invitationfor bids or request for proposal shall apply.AMERICAN SOCIETY FOR QUALITY (ASQ)ASQC-Z1.4 - Procedures , Sampling a
17、nd Tables for Inspection byAttributes . (DoD Adopted)(Private sector and civil agencies may purchase copies of these voluntary standards from theAmerican Society for Quality, PO Box 3005, 611 East Wisconsin Avenue, Milwaukee, WI53201-4606.)AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)ASTM-D92 -
18、Flash and Fire Points by Cleveland Open Cup. ( DoDAdopted)ASTM-D95 - Water in Petroleum Products and Bituminous Materials byDistillation . ( DoD Adopted)ASTM-D823 - Producing Films of Uniform Thickness of P aint, Varnish, andRelated Products on Test Panels . ( DoD Adopted)Provided by IHSNot for Resa
19、leNo reproduction or networking permitted without license from IHS-,-,-TT-R-2918A4ASTM-D2196 - Viscometer , Rotational (Brookfield Type), RheologicalProperties of Non-Newtonian Materials by . ( DoD Adopted)ASTM-D3951 - Packaging Commercial . ( DoD Adopted)ASTM-E70 - Electrode, p H of Aqueous Solutio
20、ns with the Glass . ( DoDAdopted)ASTM-F483 - Total Immersion Corrosion Test For Aircraft MaintenanceChemicals . ( DoD Adopted)ASTM-F519 - Mechanical Hydrogen Embrittlement Testing of PlatingProcesses and Aircraft Maintenance ChemicalsASTM-F1080 - D etermining the Consistency of Viscous Liquids Using
21、 aConsistometerASTM-F1110 - Sandwich Corrosion Test(Private sector and civil agencies may purchase copies of these voluntary standards from theAmerican Society for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA19428-2959.)NATIONAL TOXICOLOGY PROGRAMAnnual Report on Carcinogens(
22、Private sector and civil agencies may purchase copies of these voluntary standards from theAnnual Report on Carcinogens, National Toxicology Program, PO Box 12233, Research TrianglePark, NC 27709.)SOCIETY OF AUTOMOTIVE ENGINEERS (SAE)SAE-AMS4375 - Sheet and Plate, Magnesium Alloy 3.0Al - 1.0Zn - 0.2
23、0Mn(AZ31B-0) Annealed and Recrystallized. ( DoD Adopted)SAE-AMS5046 - Sheet, Strip and Plate, Carbon Steel(SAE 1020 and 1025) Annealed. ( DoD Adopted)SAE-AMS-QQ-A-250/4 - Aluminum Alloy 2024, Plate and Sheet. ( DoD Adopted)SAE-AMS-QQ-A-250/ 5 - Aluminum Alloy Alclad 2024, Plate and Sheet. ( DoDAdopt
24、ed)SAE-AMS-QQ-A-250/13 - Aluminum Alloy Alclad 7075, Plate and Sheet. ( DoDAdopted)SAE-AMS-M-3171 - Magnesium Alloy, Processes for Pretreatment and Preventionof Corrosion On. ( DoD Adopted)SAE-AMS-T-9046 - Titanium and Titanium Alloy, Sheet, Strip, and Plate. ( DoDAdopted)( Private sector and civil
25、agencies may purchase copies of these voluntary standards from theSociety of Automotive Engineers , 400 Commonwealth Drive, Warrendale, PA 15096-0001.)Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TT-R-2918A53. REQUIREMENTS3.1 Qualification . The p
26、aint r emovers furnished under this specification shall be productsqualified for listing on the applicable qualified products list .3.2 Toxicity . The paint remover shall not affect the health of personnel when used for itsintended purpose. Prior to listing on the qualified products list , the manuf
27、acturer shall obtain asatisfactory toxicity review (see 4.3.2.1).3.3 Compositional limitations . The remover shall be biodegradable and shall not containHazardous Air Pollutants (HAPs) (as defined in 40 CFR 61), known or suspected humancarcinogens (as defined by the National Toxicology Programs Annu
28、al Report on Carcinogens),toxic pollutants (as defined in 40 CFR 401), nor Class I or II Ozone Depleting Substances (asdefined in 40 CFR 82). Surface active agents used in the remover shall be not less than 90percent biodegradable in 28 days, as determined in accordance with 40 CFR 796.3100(see tabl
29、e I).3.3.1 Paint remover pH level . The paint remover shall have a pH of no less than 7.0 and nomore than 12.5, when tested in accordance with ASTM-E70 .3.3.2 Water content and alkalinity (Type I only) . The water content and alkalinity of theType I remover shall be determined during the qualificati
30、on inspection in accordance withASTM-D95 and 4.6.1 of this specification , respectivel y . Quality c onformance inspection resultsfor water content and alkalinity (see 4.4) shall not differ from the manufacturers certified targetvalues (see 4.3.2) by more than 10.0 percent of the value.3.4 Flash poi
31、nt . The flash point of the remover shall be not less than 79 C (175 F), whentested in accordance with ASTM-D92 .3.5 Consistency . The remover shall flow 100 to 230 millimeters (mm) from the origin, whentested in accordance with ASTM-F1080 .3.6 Viscosity . The viscosity of the remover shall be 6 to
32、12 Pascal-seconds (Pa-sec)6,000 to 12,000 centipoise (cP) at 30 revolutions per minute (rpm), when tested in accordancewith ASTM-D2196, method A, and 4.6.2. Additionally, the remover shall remain wet on avertical surface for not less than 6 hours.3.7 Paint removal .3.7.1 Type I . The stripping perce
33、ntage shall be equal to, or better than, the strippingpercentage obtained with the control formula, when tested in accordance with 4.6.3.3.7.2 Type II . The stripping percentage shall be equal to, or greater than, 95 percent, whentested in accordance with 4.6.3.Provided by IHSNot for ResaleNo reprod
34、uction or networking permitted without license from IHS-,-,-TT-R-2918A63.8 Corrosivity .3.8.1 Immersion corrosion . The remover shall not cause any visible corrosion (staining isallowable on cadmium plated specimens) nor an average weight change of any specimen greaterthan that shown in table V, whe
35、n tested in accordance with 4.6.4.3.8.2 Sandwich corrosion . The remover shall have a sandwich corrosion rating no greaterthan one, or no effect greater than that obtained for reagent water, when tested in accordancewith ASTM-F1110 . Additionally, when viewed under 10X magnification, the test specim
36、en shallexhibit no white aluminum corrosion product.3.8.3 Hydrogen embrittlement . The remover shall not cause embrittlement of high strengthsteel when tested on ASTM-F519 Type 1a (notched round bar), Type 1d (notched C-ring ), orType 1e (notch square bar) specimens in accordance with 4.6.5.3.9 Acce
37、lerated storage stability . The remover shall be conditioned in accordance with4.6.6. Upon completion of the conditioning, the remover shall not exhibit any precipitation,layering, separation (not greater than 5 percent by volume separation), nor marked change incolor (as compared to its original co
38、lor); additionally, the remover shall be mixable and shallconform to 3.6 and 3.7.3.10 Rinseability . There shall be no visible remover residue, when tested in accordance with4.6.7.3.11 Storage stability . After a storage time of not less than one year (see 4.6.8 ) , theremover shall meet all of the
39、requirements of this specification , with the exception of3.13 (service evaluation).3.12 Workmanship . The remover shall have a uniform and homogeneous appearance andthe component ingredients shall be blended and processed.3.13 Service evaluation . The remover shall pass an aircraft production strip
40、ping facilityprocess for removal of the intended primer/topcoat system (see table III) from aircraft exteriors,when tested in accordance with 4.6.9.4. QUALITY ASSURANCE PROVISIONS4.1 Responsibility for inspection . Unless otherwise specified in the contract, the contractoris responsible for the perf
41、ormance of all inspection requirements as specified herein. Except asotherwise specified in the contract, the contractor may use his own or any other facilities suitablefor the performance of the inspection requirements specified herein, unless disapproved by thegovernment. The government reserves t
42、he right to perform any of the inspections set forth in thespecification where such inspections are deemed necessary to ensure supplies and servicesconform to prescribed requirements.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TT-R-2918A74.2 Clas
43、sification of examinations and tes ts . The inspection requirements specified hereinare classified as follows:a. Qualification inspection (see 4.3).b. Quality c onformance inspection (see 4.4).4.3 Qualification inspection . The qualification inspection shall consist of all the testsspecified in tabl
44、e I. Upon successful completion of all laboratory tests, the service evaluation testshall be performed as part of the qualification inspection.4.3.1 Qualification samples . Prior to submitting samples for qualification testing, vendorsshall request authorization from the qualification activity (see
45、6.3). Upon receipt of authorization,samples shall be forwarded as directed. The qualification test sample shall be contained in one 3.8liter (one gallon) glass container and one 3.8 liter (one gallon) unit in the type of container inwhich the manufacturer intends to supply contract quantities of the
46、 remover. (If the manufacturerintends to supply contract quantities of the remover in plastic, the second qualification sampleshall be made from the same type plastic and have no greater wall thickness than containersproposed for production packaging.) The MSDS (see 3.2 and 6.4) shall accompany each
47、submission. Samples shall be identified as follows:Qualification test samplesFederal Specification TT-R-2918, “REMOVER, PAINT, NO HAZARDOUSAIR POLLUTANTS (HAPS)”Manufacturers name and product numberBatch or lot numberDate compoundedSubmitted by (name and date) for qualification testing in accordance
48、 with authorization(reference authorizing letter)4.3.1.1 Field service test samples . Upon successful completion of all laboratory tests, themanufacturer will be authorized to submit samples for a field service evaluation. Samples shall beforwarded in accordance with instructions contained in the au
49、thorizing letter and shall consist of380 to 2840 liters (100 to 750 gallons) of paint remover, as required by the field service activityand stated in the authorizing letter. No overpacking is required.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TT-R-2918A8TABLE I. Q ualification t est methods .Characteristic RequirementParagraphTest Methodor ParagraphBiodegradability 3.3 40 CFR 796.3
