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    SAE AMS 1424N-2017 Fluid Aircraft Deicing Anti-Icing SAE Type 1.pdf

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    SAE AMS 1424N-2017 Fluid Aircraft Deicing Anti-Icing SAE Type 1.pdf

    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 2017 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:/standards.sae.org/AMS1424N AEROSPACE MATERIAL SPECIFICATION AMS1424 REV. N Issued 1992-01 Revised 2017-06 Superse

    5、ding AMS1424M Fluid, Aircraft Deicing/Anti-Icing, SAE Type 1 RATIONALE Section 4.4.3.2 has been revised to mitigate potential safety concerns raised by regulators. In addition, the periodic requalification requirements for fluids containing recycled glycol have been revised with a change to section

    6、4.2.3 and the removal of section 4.4.2.2. TABLE OF CONTENTS 1. SCOPE 3 1.1 Form 3 1.1.1 Foundation and Category Specifications 3 1.2 Application . 3 1.3 Precautions . 3 1.4 Safety - Hazardous Materials 4 2. APPLICABLE DOCUMENTS 4 2.1 SAE Publications . 4 2.2 ANSI Accredited Publications . 5 2.3 APHA

    7、 Publications 5 2.4 ASTM Publications 5 2.5 Organization for Economic Cooperation and Development (OECD) Publications . 6 2.6 U.S. Government Publications 6 3. TECHNICAL REQUIREMENTS 6 3.1 Material 6 3.1.1 Definition of Glycol (Conventional and Non-Conventional) and Non-Glycol. 6 3.1.2 Requirements

    8、7 3.1.3 Non-Glycol based Fluids . 7 3.1.4 Appearance . 7 3.1.5 Environmental Information 7 3.1.6 Trace Contaminants 8 3.2 Physical Properties . 8 3.2.1 Flash Point 8 3.2.2 Specific Gravity . 8 3.2.3 pH 8 3.2.4 Refractive Index 8 3.2.5 Freezing Point . 8 3.2.6 Surface Tension 8 3.2.7 Viscosity 9 3.3

    9、Fluid Stability . 9 3.3.1 Storage Stability 9 SAE INTERNATIONAL AMS1424N Page 2 of 17 3.3.2 Thermal Stability - Accelerated Aging for Concentrates and Ready-to-Use Fluids (to Simulate Long Term Heated Storage Without Water Loss) 9 3.3.3 Hard Water Stability 9 3.3.4 Shear Stability . 10 3.3.5 Foam St

    10、ability . 10 3.4 Effect on Aircraft Materials 10 3.4.1 Sandwich Corrosion 11 3.4.2 Total Immersion Corrosion 11 3.4.3 Low Embrittling Cadmium Plate 11 3.4.4 Stress-Corrosion Resistance 11 3.4.5 Hydrogen Embrittlement . 11 3.4.6 Effect on Transparent Plastics 11 3.4.7 Effect on Painted Surfaces . 12

    11、3.4.8 Effect on Unpainted Surfaces . 12 3.4.9 Runway Concrete Scaling Resistance 12 3.5 Performance Properties 12 3.5.1 Freezing Point . 12 3.5.2 Anti-Icing Performance 12 3.5.3 Aerodynamic Acceptance Test . 12 4. QUALITY ASSURANCE PROVISIONS 13 4.1 Responsibility for Inspection . 13 4.2 Classificat

    12、ion of Tests . 13 4.2.1 Lot Acceptance Tests 13 4.2.2 Initial Qualification Tests . 13 4.2.3 Periodic Requalification Tests . 13 4.3 Sampling and Testing . 13 4.4 Approval 14 4.5 Reports 14 4.6 Resampling and Retesting 15 5. PREPARATION FOR DELIVERY . 15 5.1 Packaging and Identification . 15 6. ACKN

    13、OWLEDGMENT 15 7. REJECTIONS . 15 8. NOTES 15 APPENDIX A ENVIRONMENTAL REQUIREMENTS AND TEST METHODS . 17 Table 1 Total immersion corrosion . 11 SAE INTERNATIONAL AMS1424N Page 3 of 17 1. SCOPE 1.1 Form This foundation specification (AMS1424N) and its associated category specifications (AMS1424/1 and

    14、 AMS1424/2) cover a deicing/anti-icing material in the form of a fluid. 1.1.1 Foundation and Category Specifications This foundation specification establishes the requirements for all Type I deicing/anti-icing fluids and defines Glycol (Conventional and Non-Conventional) based and Non-Glycol based f

    15、luids and contains additional properties and requirements that apply to both Glycol (Conventional and Non-Conventional) and Non-Glycol based products. 1.2 Application The fluid is generally used heated either diluted with water, or as supplied, for the removal of deposits of frost, ice, and snow on

    16、exterior aircraft surfaces prior to take off. 1.2.1 Consult aircraft manufacturers maintenance manual and service letters to determine any restrictions relating to the use of deicing/anti-icing fluids for type and model of aircraft being treated. Refer to AS6285. 1.2.2 The manufacturer shall determi

    17、ne and report the Lowest Operational Use Temperature (LOUT) for the recommended dilutions of their fluid(s). 1.2.2.1 The LOUT for an SAE Type I fluid is the lowest temperature at which the fluid has been tested and certified in accordance with the appropriate aerodynamic acceptance tests (3.5.3) whi

    18、le maintaining the 18 F (10 C) freezing point buffer (refer to ARP4737). 1.3 Precautions 1.3.1 The deicing/anti-icing formulation may be mildly toxic and contact with human skin and eyes should be avoided. Prolonged exposure to concentrations of vapor and wind-borne mists should be avoided. Consult

    19、the manufacturers Safety Data Sheet for further information. 1.3.2 A fluid meeting all other requirements of this specification may not meet the aerodynamic acceptance test in the concentrated form. This fluid shall only be used diluted to the ratios which meet the aerodynamic acceptance test criter

    20、ia. 1.3.3 The fluid shall have a minimum flash point of 212 F (100 C) and should be used with extreme care when applied in the immediate vicinity of heaters or engine exhausts. 1.3.4 Caution should be exercised in the use of glycol-water deicing/anti-icing solutions in and around aircraft electrical

    21、/electronic circuitry with noble metal (including silver) coated wiring or terminals which could come into contact with the fluid. Exothermic reactions, which may result in fire, have been reported. This may occur where defectively insulated wires, switches, or circuit breakers carrying direct curre

    22、nt are encountered. Deicing/anti-icing fluids which are based on glycols shall contain an inhibitor to minimize this potential fire hazard (3.1). 1.3.5 Slippery conditions may exist on the ground or on equipment following deicing/anti-icing procedures. 1.3.6 A fluid meeting this specification is uni

    23、que to the manufacturer and may be adversely affected by mixing with other aircraft deicing/anti-icing fluids. Adverse effects may also result from the mixing of Glycol (Conventional and Non-Conventional) based and Non-Glycol based aircraft deicing/anti-icing fluids and should be tested prior to use

    24、. Users of AMS1424/1 and AMS1424/2 Type I fluids shall ensure that the Type I fluid is compatible with the SAE AMS1428 Type II, Type III, or Type IV fluid that is used in combination with the Type I fluid. SAE INTERNATIONAL AMS1424N Page 4 of 17 1.3.7 At the option of the user, the manufacturer shal

    25、l demonstrate the fluid as supplied or at intended use dilution and heated to intended use temperature, applied through a commercial deicing/anti-icing vehicle system to an inclined flat or curved surface, preferably an aircraft wing or horizontal stabilizer, at pressures and flow rates normal for i

    26、ntended use, does not cause foam which does not rapidly collapse, and fluid surface shall not have the appearance of snow or slush. Observe fluid for wetting, film breaks, crawling or fisheyes. Observe how long the sprayed film is continuous and how long it remains on the aircraft wing leading edge

    27、without breaks. 1.3.8 Deicing/anti-icing fluids should be compatible with carbon brake material. Refer to AS6285 and the airplane manufacturers maintenance and service documents for further information on fluid use. The industry standard test method for compatibility is AIR5567. 1.4 Safety - Hazardo

    28、us Materials While the materials, methods, applications, and processes described or referenced in this specification may involve the use of hazardous materials, this specification does not address any hazards which may be involved in such use. It is the sole responsibility of the user to ensure fami

    29、liarity with the safe and proper use of any hazardous materials and processes and to take necessary precautionary measures to ensure the health and safety of all personnel involved. 2. APPLICABLE DOCUMENTS The issue of the following documents in effect on the date of the purchase order forms a part

    30、of this specification to the extent specified herein. The supplier may work to a subsequent revision of a document unless a specific document issue is specified. When the referenced document has been cancelled and no superseding document has been specified, the last published issue of that document

    31、shall apply. 2.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or +1 724-776-4970 (outside USA), www.sae.org. AMS1424/1 Deicing/Anti-Icing Fluid, Aircraft SAE Type I Glycol (Conventional and Non-Convent

    32、ional) Based AMS1424/2 Deicing/Anti-Icing Fluid, Aircraft SAE Type I Non-Glycol Based. AMS2470 Anodic Treatment of Aluminum Alloys Chromic Acid Process AMS2475 Protective Treatments Magnesium Alloys AMS4037 Aluminum Alloy, Sheet and Plate, 4.4Cu - 1.5Mg - 0.60Mn (2024;-T3 Flat Sheet, -T351 Plate) So

    33、lution Heat Treated AMS4041 Aluminum Alloy, Sheet and Plate, Alclad 4.4Cu - 1.5Mg - 0.60Mn (2024, -T3 Sheet/-T351 Plate with 1% Alclad) Solution Heat Treated, Cold Worked and Naturally Aged AMS4049 Aluminum Alloy, Sheet and Plate, Alclad, 5.6Zn - 2.5Mg - 1.6Cu - 0.23Cr, (Alclad 7075 -T6 Sheet,-T651

    34、Plate) Solution and Precipitation Heat Treated AMS4376 Plate, Magnesium Alloy 3.0Al - 1.0Zn - 0.20Mn (AZ31B-H26) Cold Rolled and Partially Annealed AMS4911 Titanium Alloy, Sheet, Strip, and Plate, 6A1 - 4V, Annealed AMS4916 Titanium Alloy Sheet, Strip, and Plate, 8Al - 1Mo - 1V Duplex Annealed AMS50

    35、45 Steel, Sheet and Strip, 0.25 Carbon, Maximum Hard Temper AMS5886 Alloy, Corrosion and Heat-Resistant, Bars, Forgings and Rings, 50Ni - 20Cr - 20Co - 5.8Mo - 2.2Ti - 0.45Al, Consumable Electrode or Vacuum Induction Melted 2100 F (1149 C) Solution Heat Treated AMS-P-83310 Plastic Sheet, Polycarbona

    36、te, Transparent SAE INTERNATIONAL AMS1424N Page 5 of 17 AIR5567 Test Method for Catalytic Carbon Brake Disk Oxidation ARP1917 Clarification of Terms Used in Aerospace Metals Specifications AS5900 Standard Test Method for Aerodynamic Acceptance of AMS1424 and AMS1428 Aircraft Deicing/Anti-Icing Fluid

    37、s AS5901 Water Spray and High Humidity Endurance Test Methods for SAE AMS1424 and SAE AMS1428 Aircraft Deicing/Anti-Icing Fluids AS6285 Aircraft Ground Deicing/Anti-Icing Processes 2.2 ANSI Accredited Publications Copies of these documents are available online at http:/webstore.ansi.org/. ANSI Z400.

    38、1/Z129.1-2010 2.3 APHA Publications Available from American Public Health Association, 800 I Street, NW, Washington, DC 20001, 202-777-2742 or www.apha.org. Standard Methods for the Examination of Water and Waste Water 2.4 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P

    39、.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org. ASTM C672 Scaling Resistance of Concrete Surfaces Exposed to Deicing Chemicals ASTM D93 Flash Point by Pensky-Martens Closed Tester ASTM D445 Kinematic Viscosity of Transparent and Opaque Liquids (and the Calculation of

    40、 Dynamic Viscosity) ASTM D891 Specific Gravity of Liquid Industrial Chemicals ASTM D1177 Freezing Point of Aqueous Engine Coolants ASTM D1193 Reagent Water ASTM D1331 Surface and Interfacial Tension of Solutions of Surface-Active Agents ASTM D1568 Sampling and Chemical Analysis of Alkylbenzene Sulfo

    41、nates ASTM D1747 Refractive Index of Viscous Materials ASTM D3278 Flash Point of Liquids by Setaflash-Closed-Cup Apparatus ASTM D4052 Test Method for Density and Relative Density of Liquids by Digital Density Meter ASTM D4177 Automatic Sampling of Petroleum and Petroleum Products ASTM E70 pH of Aque

    42、ous Solutions with the Glass Electrode ASTM F483 Total Immersion Corrosion Test for Aircraft Maintenance Chemicals SAE INTERNATIONAL AMS1424N Page 6 of 17 ASTM F484 Stress Crazing of Acrylic Plastics in Contact with Liquid or Semi-Liquid Compounds ASTM F485 Effects of Cleaners on Unpainted Aircraft

    43、Surfaces ASTM F502 Effects of Cleaning and Chemical Maintenance Materials on Painted Aircraft Surfaces ASTM F519 Mechanical Hydrogen Embrittlement Testing of Plating Processes and Aircraft Maintenance Chemicals ASTM F945 Stress-Corrosion of Titanium Alloys by Aircraft Engine Cleaning Materials ASTM

    44、F1105 Preparing Aircraft Cleaning Compounds, Liquid Type, Solvent Based for Storage Stability Testing ASTM F1110 Sandwich Corrosion Test ASTM F1111 Corrosion of Low-Embrittling Cadmium Plate by Aircraft Maintenance Chemicals 2.5 Organization for Economic Cooperation and Development (OECD) Publicatio

    45、ns Available from OECD: 2, rue Andr Pascal, Cedex 16, 75016 Paris, France, Tel: +33 1.45.24.82.00 or www.oecd.org. OECD Environmental Data; Donnes OCDE sur lenvironnement, Compendium (Contains OECD Methods 202 and 203) 2.6 U.S. Government Publications Copies of these documents are available online a

    46、t http:/EPA.gov. EPA 40CFR 797.1300 Daphnid Acute Toxicity Test EPA 40CFR 797.1400 Fish Acute Toxicity Test EPA 40CFR 136.3 Identification of Test Procedures Copies of these documents are available online at http:/quicksearch.dla.mil. MIL-STD-870 Cadmium Plating, Low Embrittlement, Electrodeposited

    47、MIL-PRF-25690 Plastic, Sheets, and Formed Parts, Modified Acrylic Base, Monolithic, Crack Propagation Resistant 3. TECHNICAL REQUIREMENTS 3.1 Material The composition of the fluid shall be optional with the manufacturer; however, the product shall be based on freezing point depressants, with additiv

    48、es, such that the finished product shall meet all requirements of this specification. The fluid shall not be thickened, neither shall it contribute to the creation of nor sustain the growth of mold. If glycol-based, the fluid shall contain inhibitors to minimize the potential fire hazard resulting f

    49、rom interaction of aqueous glycol solutions and noble metal (including silver) electrodes impressed with direct current. 3.1.1 Definition of Glycol (Conventional and Non-Conventional) and Non-Glycol For the purpose of classification for AMS1424 aircraft deicing/anti-icing fluid, freezing point depressants used to formulate AMS1424N Type I deicing/anti-icing fluids are classified as “Glycol (Conventional and Non-Conventiona


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