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/AMS1375B AEROSPACE MATERIAL SPECIFICATION AMS1375 REV. B Issued 1978-01 Revised 1
5、994-01 Reaffirmed 2012-02 Superseding AMS1375A Remover, Paint Epoxy and Polyurethane Paint Systems RATIONALE AMS1375B has been reaffirmed to comply with the SAE five-year review policy. 1. SCOPE: 1.1 Form: This specification covers an alkaline-type, thickened paint remover in the form of a liquid. 1
6、.2 Application: Primarily for removing epoxy primer with epoxy polyamide or linear polyurethane paint topcoat from aluminum alloys and magnesium alloys. 1.3 Precautions: 1.3.1 Paint remover covered by this specification contains ingredients harmful to skin and eyes; therefore, use goggle-type eyegla
7、sses and rubber gloves, apron, and rubber boots when handling this product. 1.3.2 Avoid contact of this paint remover with rubber, resin laminates, asphaltic-base floors, and walkways of aircraft. Avoid use in enclosed and unventilated areas. 1.4 Safety - Hazardous Materials: While the materials, me
8、thods, applications, 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
9、 of any hazardous materials and to take necessary precautionary measures to ensure the health and safety of all personnel involved. SAE AMS1375B Page 2 of 17 2. APPLICABLE DOCUMENTS: The following publications form a part of this specification to the extent specified herein. The latest issue of SAE
10、publications shall apply. The applicable issue of other publications shall be 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. AMS 2400 Cadmium Plating AMS 2470 Anodic Treatment of Aluminum Alloys, Chr
11、omic Acid Process AMS 2473 Chemical Treatment for Aluminum Alloys, General Purpose Coating AMS 2475 Protective Treatments, Magnesium Alloys AMS 2825 Material Safety Data Sheets AMS 4037 Aluminum Alloy Sheet and Plate, 4.4Cu - 1.5Mg - 0.60Mn (2024; -T3 Flat Sheet, -T351 Plate), Solution Heat Treated
12、AMS 4041 Aluminum Alloy Sheet 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 Treated AM
13、S 4049 Aluminum Alloy Sheet and Plate, Alclad, 5.6Zn - 2.5Mg - 1.6Cu - 0.23Cr (Alclad 7075; -T6 Sheet, -T651 Plate), Solution and Precipitation Heat Treated AMS 4377 Magnesium Alloy Sheet and Plate, 3.0A1 - 1.0Zn (AZ31B-H24), Cold Rolled, Partially Annealed AMS 4911 Titanium Alloy Sheet, Strip, and
14、Plate, 6A1 - 4V, Annealed AMS 5045 Steel Sheet and Strip, 0.25 Carbon, maximum, Hard Temper AMS 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, PA 19428-2959. ASTM D 1193 Reagent Water
15、 ASTM F 483 Total Immersion Corrosion Test for Aircraft Maintenance Chemicals ASTM F 519 Mechanical Hydrogen Embrittlement Testing of Plating Processes and Aircraft Maintenance Chemicals ASTM F 1080 Determining the Consistency of Viscous Liquids Using a Consistometer ASTM F 1110 Sandwich Corrosion T
16、est ASTM F 1111 Corrosion of Low Embrittling Cadmium Plate by Aircraft Maintenance Chemicals SAE AMS1375B Page 3 of 17 2.3 U.S. Government Publications: Available from DODSSP, Subscription Services Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094. 2.3.1 Federal Specifications: VV-W
17、-95 Wax, Paraffin, Technical PPP-D-729 Drum, Shipping and Storage, Steel, 55 Gallon, (208 Liters) PPP-P-704 Pails, Metal Shipping, Steel, (1 through 12 Gallons) PPP-P-1892 Paint, Varnish, Lacquer, and Related Materials, Packaging, Packing, and Marking of 2.3.2 Federal Standards: FED-STD-141 Paint, V
18、arnish, Lacquer and Related Materials, Methods of Inspection, Sampling and Testing FED-STD-595 Color (Requirements for Individual Color Chips) 2.3.3 Military Specifications: MIL-D-6998 Dichloromethane, Technical MIL-A-9962 Abrasive Mats, Non-Woven, Non-Metallic MIL-C-22750 Coating, Epoxy Polyamide M
19、IL-P-23377 Primer Coating, Epoxy Polyamide, Chemical and Solvent Resistant MIL-T-23397 Tape, Pressure-Sensitive Adhesive, for Masking During Paint Stripping Operations MIL-C-81706 Chemical Conversion Materials for Coating Aluminum and Aluminum Alloys MIL-C-83286 Coating, Urethane, Aliphatic Isocyana
20、te, for Aerospace Applications 2.3.4 Military Standards: MIL-STD-105 Sampling Procedures and Tables for Inspection by Attributes MS 24694 Screw, Machine, Flat Countersunk Head, 100 Deg, Structured, Cross Recessed 2.3.5 USAF ANA Standards: AN 315 Nut, Plain, Airframe AN 960 Washer, Flat SAE AMS1375B
21、Page 4 of 17 3. 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: The paint remover shall conform to th
22、e 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 Toxicity: The product shall be free from chemical
23、s and solvents in the compounded mixture which may prove dangerously corrosive or may produce vapors in such concentration as to become a medical hazard to personnel when used for its intended purpose in accordance with manufacturers recommendations. (See 1.4) 3.2.2 Consistency: The paint remover sh
24、all flow to a point between 18 and 23 cm in 5 minutes, determined in accordance with ASTM F 1080. The 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
25、f aircraft for sufficient time for the paint remover to be effective. 3.2.3 Flammability: The paint remover shall not continue to burn longer than 3 seconds after removal of the flame, determined in accordance with 4.5.1. 3.2.4 Corrosion of Metal Surfaces: 3.2.4.1 Sandwich Corrosion: Specimens, afte
26、r test, shall show a rating not worse than 1, determined in accordance with ASTM F 1110. (R) (R) SAE AMS1375B Page 5 of 17 3.2.4.2 Total Immersion Corrosion: The product shall neither show evidence of pitting of the panels nor cause a weight change of any test panel greater than the following, deter
27、mined in accordance with ASTM F 483: Test Panel Weight Change mg/cm2per 24 hours AMS 4037 Aluminum Alloy, anodized as in AMS 2470 0.3 AMS 4041 Aluminum Alloy 0.3 AMS 4045 Aluminum Alloy, anodized as in AMS 2470 0.3 AMS 4049 Aluminum Alloy 0.3 AMS 4377 Magnesium Alloy, dichromate treated as in AMS 24
28、75 0.2 AMS 4911 Titanium Alloy 0.1 AMS 5045 Carbon Steel, polished to a surface finish of 65 microinches (1.7 mm) or better 0.8 3.2.4.3 Low-Embrittling Cadmium Plate: Panels coated with low-embrittling cadmium plate shall not show a weight change greater than 0.3/mg/cm2 per 24 hours, determined in a
29、ccordance with ASTM F 1111. 3.2.4.4 Dissimilar Metal Corrosion: There shall be no significant discoloration or evidence of corrosion, determined in accordance with 4.5.2. Slight discoloration of cadmium plated low-alloy steel panels is permissible. 3.2.5 Hydrogen Embrittlement: The paint remover sha
30、ll be nonembrittling, determined in accordance with ASTM F 519, Type 1a, 1c, or 2a. 3.2.6 Storage Stability: 3.2.6.1 Short-Term: The paint remover shall not cake, clot, gel, or separate after being stored at room temperature, undisturbed, for 6 days in a darkened area. The product, tested for stabil
31、ity in accordance with 4.5.3, shall neither polymerize or show significant changes in physical appearance nor exhibit evidence of adversely affecting steel surfaces. After being tested as in 4.5.3, the remover shall completely lift the finish from test panels, prepared and tested in accordance with
32、4.5.5, as well as, or better than, a sample of the original, unexposed paint remover. 3.2.6.2 Extended: Paint remover, stored as in 4.5.4, shall show no visible evidence of deterioration. It shall, after storage, meet all the technical requirements of this specification except that short-term storag
33、e stability need not be determined. (R) (R) SAE AMS1375B Page 6 of 17 3.2.7 Paint Stripping Efficiency: The paint remover, tested in accordance with 4.5.5, shall remove not less than 90% of the paint from the exposed surface within 10 minutes at 24 C 2 (75 F 3) and within 20 minutes at 10 C 1 (50 F
34、2). 3.2.7.1 Relative Stripping Efficiency: Shall be equal to, or better than, that of the control formula of 4.5.5.2.1, measured as the time to produce equal percentages of stripping or as the percentage of panel area stripped in equal lengths of time. 3.2.8 Rinsability: The loosened paint and spent
35、 remover shall be easily removed by water rinsing, determined in accordance with 4.5.6. If residues or noticeable water breaks occur, they shall not adversely affect the drying or adhesion of an applied paint system. 3.2.9 Refinishing Properties of Stripped Surfaces: Following stripping and wiping c
36、lean, using 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 4.5.7. 3.2.10 Volatility: Shall be no greater than the volatility of distilled water, deter
37、mined in accordance with 4.5.8. 3.2.11 Performance: The paint remover, used in accordance with manufacturers recommendations, shall show satisfactory paint stripping performance on actual paint schedules that have been in service. This performance test shall be determined after the product has met a
38、ll 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 of the paint remove
39、r. 4. QUALITY ASSURANCE PROVISIONS: 4.1 Responsibility for Inspection: The vendor of the product 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 deemed necessary to e
40、nsure that the product conforms to the requirements of this specification. 4.2 Classification of Tests: 4.2.1 Acceptance Tests: Tests for consistency (3.2.2), flammability (3.2.3), total immersion corrosion (anodized aluminum alloys only) (3.2.4.2), low-embrittling cadmium plate (3.2.4.3), short-ter
41、m storage stability (3.2.6.1), paint stripping efficiency (3.2.7), rinsability (3.2.8), volatility (3.2.10), and quality (3.3) are acceptance tests and shall be performed on each lot. (R) SAE AMS1375B Page 7 of 17 4.2.2 Periodic Tests: Tests for sandwich corrosion (3.2.4.1), total immersion corrosio
42、n of all alloys other than anodized aluminum (3.2.4.2), dissimilar metal corrosion (3.2.4.4), hydrogen embrittlement (3.2.5), refinishing properties of stripped surfaces (3.2.9), and performance (3.2.11) are periodic tests and shall be performed at a frequency selected by the vendor unless frequency
43、 of testing is specified by purchaser. 4.2.3 Preproduction Tests: Tests for all technical requirements are preproduction tests and shall be performed prior to or on the initial shipment of the product to a purchaser, when a change in ingredients and/or processing requires reapproval as in 4.4.2, and
44、 when purchaser deems confirmatory testing to be required. 4.2.3.1 For direct U.S. Military procurement, substantiating test 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 pro
45、curement. 4.3 Sampling and Testing: Shall be in accordance with the following; a lot shall be all paint remover manufactured 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 c
46、onsist of not more than 5,000 gallons (18,927 L) offered for delivery at one time. 4.3.1 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 each lot. 4.3.1.2
47、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 all requirements of this specification regarding fill, closure, marking, and other requirements not involving tests. 4.3.2 Periodic Te
48、sts and Preproduction Tests: As agreed upon by purchaser and vendor. 4.4 Approval: 4.4.1 Paint remover shall be approved by purchaser before remover for production use is supplied, unless such approval be waived by purchaser. Results of tests on production remover shall be essentially equivalent to
49、those on the approved sample. 4.4.2 Vendor shall use ingredients, manufacturing procedures, and methods of inspection on production 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 procedures, vendor shall submit for reapproval a statement of the proposed changes in ingredients and/or processing and, when requested, sample
