1、The Engineering SocietyFor Advancing Mobility AEROSPACE AMS 1378ALand Sea Air and SpaceINTERNATIONAL400 Commonwealth Drive, Warrendale, PA 15096-0001SPECIFICATIONSubmitted for recognition as an American National StandardIssued 1 APR 1985Superseding AMS 1378Revised 1 JUL 1991COMPOUND, CARBON SOIL AND
2、 PAINT REMOVERAircraft Turbine Engine ComponentsRoom Temperature Application1. SCOPE:1.1 Form: This specification covers a carbon soil and paint remover compound inthe form of a liquid.1.2 Application: Primarily for removal of carbonaceous soils and paint fromaircraft turbine engine parts by immersi
3、ng the parts in liquid at roomtemperature.1.3 Safety - Hazardous Materials: While the materials, methods, applications,and processes described or referenced in this specification may involve theuse of hazardous materials, this specification does not address the hazardswhich may be involved in such u
4、se. It is the sole responsibility of theuser to ensure familiarity with the safe and proper use of any hazardousmaterials and to take necessary precautionary measures to ensure the healthand safety of all personnel involved.2. APPLICABLE DOCUMENTS: The following publications form a part of thisspeci
5、fication to the extent specified herein. The latest issue of SAEpublications shall apply. The applicable issue of other publications shallbe the issue in effect on the date of the purchase order.2.1 SAE Publications: Available from SAE, 400 Commonwealth Drive, Warrendale,PA 15096-0001.2.1.1 Aerospac
6、e Material Specifications:AMS 2825 - Material Safety Data Sheets2.1.2 Aerospace Recommended Practices:ARP1755 - Effect of Cleaning Agents on Aircraft Engine Materials, StockLoss Test MethodSAE Technical Board Rules provide that: “This report is published by SAE to advance the state of technical and
7、engineering sciences.The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringementarising therefrom, is the sole responsibility of the user.”SAE reviews each technical report at least every five years at which time it ma
8、y be reaffirmed, revised, or cancelled. SAE invites yourwritten comments and suggestions.Copyright 1991 Society of Automotive Engineers, Inc.All rights reserved. Printed in U.S.A.MATERIALAMS 1378A SAE AMS 1378A2.2 ASTM Publications: Available from ASTM, 1916 Race Street, Philadelphia, PA19103-1187.A
9、STM D 1568 - Sampling and Chemical Analysis of Alkylbenzene SulfonatesASTM D 2667 - Biodegradability of Alkylbenzene SulfonatesASTM F 519 - Mechanical Hydrogen Embrittlement Testing of Plating Processesand Aircraft Maintenance ChemicalsASTM F 945 - Stress-Corrosion of Titanium Alloys by Aircraft Eng
10、ineCleaning Materials2.3 U.S. Government Publications: Available from Standardization DocumentsOrder Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-50942.3.1 Military Standards:MIL-STD-2073-1 - DOD Materiel, Procedures for Developmenof Packaging Requirements3. TECHNICAL REQUIREMENTS:3
11、.1 Composition: Shall be optional with the manufacturer but, when prepared inaccordance with manufacturers instructions, shall form a liquid product,with no solid sediment at room temperature, meeting the requirements of 3.2.and Application3.1.1 Compound containing volatile solvents shall be provide
12、d with an upperliquid seal serving to retard evaporation of solvents from the lowerworking layer. Solution make up, depth of seal if required, and solutioncontrol for the lower and seal phases shall be in accordance withmanufacturers instructions and purchasers requirements.3.2 Properties: Compound
13、shall conform to the following requirements; tests0 shall be performed in accordance with specified test methods on the productsupplied at the maximum concentration recommended by manufacturer; if a sealis specified, tests shall be performed on the lower liquid layer through theseal:3.2.1 Stock Loss
14、: Test panels of alloys or electrodeposits shall not incurstock loss exceeding 0.000025 inch (0.635 m) per surface and plasmadeposited coatings shall not incur stock loss exceeding 0.0001 inch(2.5 m) when tested in accordance with ARP1755, Category 1. Whererequired in ARP1755, stock loss figures sha
15、ll be reported. Manufacturermay indicate where remover is not recommended for particular alloys orsurface coatings.3.2.2 Corrosion: Test panels and bars used for the stock loss test of 3.2.1shall exhibit no surface attack when examined at 50X magnification undergood oblique surface lighting conditio
16、ns.3.2.3 Biodegadability: Vendor shall supply evidence that surfactants used inthe compound shall be at least 90% biodegradable, determined either inaccordance with ASTM D 2667 where relevant to surfactant type or byalternative methods appropriate to surfactant type acceptable to purchaser.-2-AMS 13
17、78A SAE AMS 1378A3.2.3.1 Evidence of surfactant biodegradability does not guarantee that thecompound may be discharged in either concentrated or diluted form intopublic waterways or sewerage systems; manufacturers shall give advice onthe means for disposal.3.2.4 Storage Stability: Compound, stored a
18、t 25C 5 (77F 9) for one year,shall show no visual evidence of deterioration and shall meet all othertechnical requirements of this specification.3.2.5 Stress-Corrosion of Titanium Alloys: The compound, when used according to0 manufacturers instructions, shall not cause stress-corrosion cracking ofti
19、tanium alloys, determined in accordance with ASTM F 945, Method A or B.3.2.6 Hydrogen Absorption: Compound shall be non-embrittling, determined inaccordance with ASTM F 519, Type la, lc, or 2a, but usingnon-electroplated test specimens.3.2.7Performance:The compound, prepared and used in accordance w
20、ithmanufacturers instructions, shall remove carbonaceous soils and paintfrom parts. Compounds which meet all other technical requirments shall betested for cleaning performance in an approved engine overhaul facilityfor not less than six months, during which time at least ten turbofan orturbojet eng
21、ines, or equivalent, shall be processed with satisfactoryresults before approval for service use is granted by the applicableengine manufacturer.3.3 Quality: The compound, as received by purchaser, shall be clear,homogeneous, and free from solid particles and separation and from foreignmaterials det
22、rimental to usage of the compound.4. QUALITY ASSURANCE PROVISIONS:4.1 Responsibility for Inspection: The vendor of the compound shall supply allsamples for vendors tests and shall be responsible for performing allrequired tests. Purchaser reserves the right to sample and to perform anyconfirmatory t
23、esting deemed necessary to ensure that the compound conformsto the requirements of this specification.4.2 Classification of Tests: Tests for all technical requirements arepreproduction tests and shall be performed prior to or on the initialshipment of compound to a purchaser, when a change in ingred
24、ients and/orprocessing requires reapproval as in 4.4.2, and when purchaser deemsconfirmatory testing to be required.4.2.3 For direct U.S. Military procurement, substantiating test data and, whenrequested, preproduction test material shall be submitted to the cognizantagency as directed by the procur
25、ing activity, contracting officer, orrequest for procurement.-3-AMS 1378A SAE AMS 1378A4.3 Sampling and Testing: Shall be in accordance with ASTM D 1568 or other0 method specified by purchaser. A lot shall be all compound produced in asingle production run from the same batches of raw materials unde
26、r the samefixed conditions and presented for manufacturer inspection at one time, Aninspection lot shall not exceed 6,000 gallons (22,712 L).4.4 Approval:4.4.1 Compound shall be approved by purchaser before compound for production useis supplied, unless such approval be waived by purchaser. Results
27、oftests on production compound shall be essentially equivalent to those onthe approved sample compound,4.4.1.1 A new or revised compound may be conditionally approved pendingcompletion of the storage stability test of 3.2.4. Full approval willbe granted following testing for the other technical requ
28、irements aftercompletion of storage stability testing.4.4.2 Manufacturer shall use Ingredients, manufacturing procedures, and methodsof inspection on production compound which are essentially the same asthose used on the approved sample compound. If necessary to make anychange in ingredients or in m
29、anufacturing procedures, manufacturer shallsubmit for reapproval a statement of the proposed changes in ingredientsand/or processing and, when requested, sample compound. Productioncompound made by the revised procedure shall not be shipped prior toreceipt of reapproval.4.5 Reports:4.5.1 The manufac
30、turer of compound shall furnish with the initial shipment areport showing the results of tests to determine conformance to thetechnical requirements except that, for a new or revised compound, theresults of the storage stability test may be omitted. This report shallinclude the purchase order number
31、, lot number, AMS 1378A, manufacturersidentification, and quantity.4.5.2 A material safety data sheet conforming to AMS 2825, or equivalent, shall be supplied to each purchaser prior to or concurrent with the report ofpreproduction test results or, if preproduction testing be waived bypurchaser, con
32、current with the first shipment of compound for productionuse. Each request for modification of compound formulation shall beaccompanied by a revised data sheet for the proposed formulation.4.5.3 The manufacturer of compound shall furnish with each subsequent shipment areport stating that the compou
33、nd is of the same composition and has thesame properties as the approved sample compound. If results of thestorage stability test were not included In the report on the initialshipment of compound, results of that test shall be included in the reporton the first shipment following completion of that
34、 test. This reportshall include the purchase order number, lot number, AMS 1378A,manufacturers Identification, and quantity. If compound from more thanone lot is supplied in one shipment, a report shall be supplied for eachlot of compound in the shipment.-4-AMS 1378A SAE AMS 1378A4.5.4 A bulletin de
35、scribing the compound and detailed instructions for its useshall be provided by the compound manufacturer. The bulletin shall alsoinclude at least mixing instructions, material compatibility, properties,control/analysis procedures, and safety practices including precautionsfor hazardous ingredients.
36、4.6 Resampling and Retesting: If any sample used in the above tests fails to0 meet the specified requirements disposition of the compound may be based onthe results of testing three additional samples for each originalnonconforming sample. Failure of any retest sample to meet the specifiedrequiremen
37、ts shall be cause for rejection of the compound represented.Results of all tests shall be reported.5. PREPARATION FOR DELIVERY:5.1 Packaging and Identification:5.1.1 Compound shall be packaged in containers of a type and size agreed upon by0 purchaser and vendor. A lot of compound may be packaged in
38、 smallquantities and delivered under the basic lot approval provided lotidentification is maintained.5.1.2 Each container of compound shall be legibly marked with not less than AMS1378A, purchase order number, lot number, manufacturers identification,and quantity.5.1.3 Containers of compound shall b
39、e prepared for shipment in accordance with0 commercial practice and in compliance with applicable rules andregulations pertaining to the handling, packaging, and transportation ofthe compound to ensure carrier acceptance and safe delivery.5.1.4 For direct U.S. Military procurement, packaging shall b
40、e in accordance0 with MIL-STD-2073-1, Commercial Level, unless Level A is specified in therequest for procurement.6. ACKNOWLEDGMENT: A vendor shall mention this specification number and itsrevision letter in all quotations and when acknowledging purchase orders.7. REJECTIONS: Compound not conforming
41、 to this specification, or tomodifications authorized by purchaser, will be subject to rejection.8. NOTES:8.1 Marginal Indicia: The phi (0) symbol is used to indicate technicalchanges from the previous issue of this specification.8.2 Dimensions in inch/pound units and the Celsius temperatures are pr
42、imary;dimensions in SI units and the Fahrenheit temperatures are shown as theapproximate equivalents of the primary units and are presented only forinformation.-5-AMS 1378A SAE AM5 1370A8.38.4For direct U.S. Military procurement, purchase documents should specify notless than the following:Title, nu
43、mber, and date of this specificationType and size of containers desiredQuantity of compound desiredLevel A packaging, if required (See 5.1.4).Compound meeting the requirements of this specification has been classifiedunder Federal Supply Classification (FSC) 6850.This specification is under the jurisdiction of AMS Committee “J“ (AMCM).-6-
