1、_ SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising there
2、from, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions. Copyright 2012 SAE International All rights reserved. No part of this p
3、ublication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-497
4、0 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AMS1377 AEROSPACE MATERIAL SPECIFICATION AMS1377 Issued 1992-01 Reaffirmed 2012-0
5、2 Remover, Paint Epoxy and Polyurethane Paint System Non-Chlorinated Solvent RATIONALE AMS1377 has been reaffirmed to comply with the SAE five-year review policy. 1. SCOPE:1.1 Form: This specification covers a non-phenolic, non-chromated, thickened paint remover in the form of a solvent-base liquid.
6、1.2 Application: This cleaner has been used typically for removing epoxy primer with epoxy polyamide or linear polyurethane paint topcoat from aluminum alloys and magnesium alloys, but usage is not limited to such applications.1.3 Safety - Hazardous Materials: While the materials, methods, applicati
7、ons, and processes described or referenced in this specification may involve the use of hazardous materials, this specification does not address the hazards which may be involved in such use. It is the sole responsibility of the user to ensure familiarity with the safe and proper use of any hazardou
8、s materials and to take necessary precautionary measures to ensure the health and safety of all personnel involved.2. APPLICABLE DOCUMENTS:The following publications form a part of this specification to the extent specified herein. The latest issue of SAE publications shall apply. The applicable iss
9、ue of other publications shall be the issue in effect on the date of the purchase order.SAE AMS1377 Page 2 of 11 2.1 SAE Publications:Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001.AMS 2400 Cadmium PlatingAMS 2740 Anodic Treatment of Aluminum Alloys, Chromic Acid ProcessAMS 24
10、73 Chemical Treatment of Aluminum Alloys, General Purpose CoatingAMS 2475 Protective Treatments, Magnesium AlloysAMS 2825 Material Safety Data SheetsAMS 4037 Aluminum Alloy Sheet and Plate, 4.4Cu - 1.5Mg - 0.60Mn, (2024; -T3 Flat Sheet, -T351 Plate), Solution Heat TreatedAMS 4041 Aluminum Alloy Shee
11、t and Plate, Alclad, 4.4Cu - 1.5Mg - 0.60Mn (Alclad 2024 and 1-1/2% Alclad 2024-T3 Flat Sheet; 1-1/2% Alclad 2024-T351 Plate)AMS 4045 Aluminum Alloy Sheet and Plate, 5.6Zn - 2.5Mg - 1.6Cu - 0.23Cr, (7075; -T6 Sheet, -T651 Plate), Solution and Precipitation Heat TreatedAMS 4049 Aluminum Alloy Sheet a
12、nd Plate, Alclad, 5.6Zn - 2.5Mg - 1.6Cu - 0.23Cr (Alclad 7075; -T6 Sheet, -T651 Plate), Solution and Precipitation Heat TreatedAMS 4377 Magnesium Alloy Sheet and Plate, 3.0A1 - 1.0Zn (AZ31B-H24), Cold Rolled, Partially AnnealedAMS 4911 Titanium Alloy Sheet, Strip, and Plate, 6A1 - 4V, AnnealedAMS 49
13、11 Titanium Alloy Sheet, Strip, and Plate, 6A1 - 4V, AnnealedAMS 5040 Steel Sheet and Strip, 0.15 Carbon, maximum, Deep Forming GradeAMS 6350 Steel Sheet, Strip, and Plate, 0.95Cr - 0.20Mo (0.28 - 0.33C) (SAE 4130)2.2 ASTM Publications:Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, P
14、A 19428-2959.ASTM D 93 Flash Point by Pensky-Martens, Closed TesterASTM D 483 Total Immersion Corrosion Test for Aircraft Maintenance ChemicalsASTM D 519 Mechanical Hydrogen Embrittlement Testing of Plating Processes and Aircraft Maintenance ChemicalsASTM D 1080 Determining the Consistency of Viscou
15、s Liquids Using a ConsistometerASTM D 1105 Preparing Aircraft Cleaning Compounds, Liquid Type, Solvent Based for Storage Stability TestingASTM D 1110 Sandwich Corrosion TestASTM F 1111 Corrosion of Low-Embrittling Cadmium Plate by Aircraft Maintenance Chemicals2.3 U.S. Government Publications:Availa
16、ble from DODSSP, Subscription Services Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.PPP-D-729 Drum, Shipping and Storage, Steel, 55 Gallon, (208 Liters)PPP-P-704 Pails, Metals, (Shipping, Steel, 1 through 12 Gallons)PPP-P-1892 Paint, Varnish, Lacquer, and Related Materials, Pac
17、kaging, Packing, and Marking ofSAE AMS1377 Page 3 of 11 2.3 (Continued):FED-STD-141 Paint, Varnish, Lacquer and Related Materials, Methods of Inspection, Sampling and TestingFED-STD-595 Color (Requirements for Individual Color Chips)MIL-C-5541 Chemical Conversion Coatings on Aluminum AlloysMIL-A-996
18、2 Abrasive Mats, Non-Woven, Non-MetallicMIL-C-22750 Coating, Epoxy PolyamideMIL-P-23377 Primer Coating, Epoxy Polyamide, Chemical and Solvent ResistantMIL-T-23397 Tape, Pressure-Sensitive Adhesive, for Masking During Paint Stripping OperationsMIL-C-81706 Chemical Conversion Materials for Coating Alu
19、minum and Aluminum AlloysMIL-C-83286 Coating, Urethane, Aliphatic Isocyanate, for Aerospace ApplicationsMIL-STD-105 Sampling Procedures and Tables for Inspection by AttributesMIL-STD-24694 Screw, Machine, Flat Countersunk Head, 100 Deg, Structured, Cross Recessed, UNC-3A and UNF-3AAN 315 Nut, Plain,
20、 AirframeAN 960 Washer, Flat3. TECHNICAL REQUIREMENTS: 3.1 Material: Shall be a thixotropic paint remover consisting of organic solvents, evaporation retarders, wetting agents, and other ingredients required to provide a product meeting the requirements of 3.2.3.2 Properties: Paint remover shall con
21、form to the following requirements; tests shall be performed on the as-supplied product in accordance with specified test methods; all tests shall be conducted at 24 C 3 (75 F 5) and at a relative humidity of 50% 5, unless otherwise specified herein:3.2.1 Consistency: Paint remover shall flow to a p
22、oint between 18 and 23 centimeters in 5 minutes, determined in accordance with ASTM F 1080. The paint remover shall be of such consistency that a smooth, even coating can be applied by brushing, flowing, or spraying onto, and will adhere to, the vertical surface of test panels and painted surfaces o
23、f aircraft for sufficient time for the paint remover to be effective.3.2.2 Flash Point: Paint remover shall be tested in accordance with ASTM D 93 to determine, record, and report the flash point.3.2.3 Corrosion of Metal Surfaces: 3.2.3.1 Sandwich Corrosion: Specimens of AMS 4045 and AMS 4049 alumin
24、um alloys, after testing in accordance with ASTM F 1110, shall not show a rating worse than 1 or worse than control panels tested using ASTM D 1193, Type IV, water.SAE AMS1377 Page 4 of 11 3.2.3.2 Total Immersion Corrosion: The product shall neither show evidence of pitting of the panels nor cause a
25、 weight change of any test panel greater than shown in Table 1, determined in accordance with ASTM F 483:3.2.3.3 Low Embrittling Cadmium Plate: Panels, coated with low-embrittling cadmium plate, shall not show a weight change greater than 0.3 mg/cm2per 24 hours, determined in accordance with ASTM F
26、1111.3.2.4 Hydrogen Embrittlement: Paint remover shall be non-embrittling, determined in accordance with ASTM F 519, Type 1a, 1c, or 2a.3.2.5 Storage Stability: 3.2.5.1 Short Term: Paint remover shall not cake, clot, gel, or separate after being stored at room temperature, undisturbed, for 6 days in
27、 a darkened area. The product, tested for stability in accordance with 4.5.1, shall neither polymerize nor show significant changes in physical appearance nor exhibit evidence of adversely affecting steel surfaces. After being tested as in 4.5.1, the paint remover shall completely lift the finish fr
28、om test panels, prepared and tested in accordance with 4.5.2.1, as well as, or better than, a sample of the original, unexposed paint remover.3.2.5.2 Extended Term: Paint remover shall be stored in accordance with ASTM F 1105.3.2.6 Paint Stripping Efficiency: Paint remover, tested in accordance with
29、 4.5.2, shall remove not less than 90% of the paint from the exposed surface within 4 hours at 24 C 2 (75 F 3).TABLE 1 - Weight LossTest PanelWeight changemg/cm2per 24 hoursAMS 4037 Aluminum Alloy,anodized as in AMS 2470 0.3AMS 4041 Aluminum Alloy 0.3AMS 4045 Aluminum Alloy,anodized as in AMS 2470 0
30、.3AMS 4049 Aluminum Alloy 0.3AMS 4377 Magnesium Alloy,dichromate treated as in AMS 2475 0.2AMS 4911 or MAM 4911 Titanium Alloy 0.1AMS 5040 Carbon Steel, polished to asurface finish of 65 microinches(1.7 mm) or better 0.8SAE AMS1377 Page 5 of 11 3.2.7 Rinsability: The loosened paint and spent paint r
31、emover shall be removed by water rinsing, determined in accordance with 4.5.3. If residues or noticeable water breaks occur, they shall not adversely affect the drying or adhesion of an applied paint system.3.2.8 Refinishing Properties of Stripped Surfaces: Following stripping and wiping clean, usin
32、g cloths saturated with methyl ethyl ketone or other suitable solvent, the paint remover shall leave a surface suitable for refinishing, including re-surface treatment, determined in accordance with 4.5.4.3.2.9 Volatility: Shall be no greater than the volatility of distilled water, determined in acc
33、ordance with 4.5.5.3.2.10 Performance: The paint remover, used in accordance with manufacturers recommendations, shall show satisfactory paint stripping performance, determined on painted panels as in 4.5.2.1 cured for 30 days at 49C 3 (120F 5). This performance test shall be determined after the pa
34、int remover has met all other technical requirements of this specification.3.3 Quality: Paint remover, as received by purchaser, shall be homogeneous, uniform in consistency, suitable for spray, brush or flow application, and free from skins and lumps and from foreign materials detrimental to usage
35、of the paint remover.4. QUALITY ASSURANCE PROVISIONS: 4.1 Responsibility for Inspection: The vendor of paint remover shall supply all samples for vendors tests and shall be responsible for performing all required tests. Purchaser reserves the right to sample and to perform any confirmatory testing d
36、eemed necessary to ensure that the paint remover conforms to the requirements of this specification.4.2 Classification of Tests: 4.2.1 Acceptance Tests: Tests for consistency (3.2.1), flash point (3.2.2), low-embrittling cadmium plate (3.2.3.3), paint stripping efficiency (3.2.6), rinsability (3.2.7
37、), volatility (3.2.9), and quality (3.3) are acceptance tests and shall be performed on each lot.4.2.2 Periodic Tests: Tests for sandwich corrosion (3.2.3.1), total immersion corrosion of all alloys (3.2.3.2), hydrogen embrittlement (3.2.4), short-term stability (3.2.5.1), refinishing properties of
38、stripped surfaces (3.2.8), and performance (3.2.10) are periodic tests and shall be performed at a frequency selected by the vendor unless frequency of testing is specified by purchaser.4.2.3 Preproduction Tests: Tests for all technical requirements are preproduction tests and shall be performed pri
39、or to or on the initial shipment of the paint remover to a purchaser, when a change in ingredients and/or processing requires reapproval as in 4.4.2, and when purchaser deems confirmatory testing to be required.SAE AMS1377 Page 6 of 11 4.2.3.1 For direct U.S. Military procurement, substantiating tes
40、t data and, when requested, preproduction test material shall be submitted to the cognizant agency as directed by the procuring activity, contracting officer, or request for procurement.4.3 Sampling and Testing: Shall be in accordance with the following; a lot shall be all paint remover manufactured
41、 at the same time from the same batches of raw materials and presented for vendors inspection at one time. If paint remover cannot be identified by batch or tank, a lot shall consist of not more than 5,000 gallons (18,927 L) offered for delivery at one time. Paint remover may be packaged in smaller
42、quantities and delivered under the basic lot approval provided lot identification is maintained.4.3.1 For Acceptance Tests: 4.3.1.1 Bulk Quantity: Samples shall be selected in accordance with FED-STD-141 except that the sample shall consist of not less than one gallon (3.8 L) of paint remover from e
43、ach lot.4.3.1.2 Filled Containers: A random sample of filled containers shall be selected from each lot in accordance with MIL-STD-105 at Inspection Level I to verify conformance to requirements regarding fill, closure, marking, and other requirements not involving tests.4.3.2 For Periodic Tests and
44、 Preproduction Tests: As agreed upon by purchaser and vendor.4.4 Approval: 4.4.1 Paint remover shall be approved by purchaser before paint remover for production use is supplied, unless such approval be waived by purchaser. Results of tests on production paint remover shall be essentially equivalent
45、 to those on the approved sample.4.4.2 Vendor shall use ingredients, manufacturing procedures, and methods of inspection on production paint remover which are essentially the same as those used on the approved sample remover. If necessary to make any change in ingredients or in manufacturing procedu
46、res, vendor shall submit for reapproval a statement of the proposed changes in ingredients and/or processing and, when requested, sample remover. Production paint remover made by the revised procedure shall not be shipped prior to receipt of reapproval.4.5 Test Methods: Shall be as follows:4.5.1 Sho
47、rt-Term Storage Stability: 4.5.1.1 Preparation of Test Sample: A 5 ounce (150 mL) portion of well mixed paint remover shall be poured into each of two chemically clean 12-ounce (350-mL) pressure-resistant, clear, glass bottles and carefully capped. The bottles shall be approximately 9-1/2 inches (24
48、1 mm) in height, with shoulders 2-1/2 inches (63.5 mm) in outside diameter and 5 inches (127 mm) from the base.SAE AMS1377 Page 7 of 11 4.5.1.2 Procedure: 4.5.1.2.1 Cold Cycle Test: One bottle shall be stored in a darkened area for not less than 6 days. The other bottle shall be placed in a water ba
49、th maintained at 54 C 2 (129 F 4) for 60 minutes 2. The bottle in the water bath shall be carefully removed, allowed to cool at room temperature for 60 minutes 2, and visually examined. Layer formation is not acceptable and further testing shall be discontinued. If the paint remover appears homogeneous, the bottle shall be placed in a cold box maintained at -10 C 2 (14 F 4) for 60 minutes 2, removed, an
