1、 AEROSPACE MATERIAL SPECIFICATION Compound, Silicone Rubber Remover Aircraft Turbine Engine Components Room Temperature Application 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
2、 entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE
3、invites your written comments and suggestions. Copyright 2004 SAE International All rights reserved. No part of this publication 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 pri
4、or written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: 724-776-4970 (outside USA) Fax: 724-776-0790 Email: custsvcsae.org SAE WEB ADDRESS: http:/www.sae.org AMS 1386AIssued APR 1985 Revised OCT 1992 Reaffirmed FEB 2004 Superseding AMS 1386 1. SCOPE: 1
5、.1 Form: This specification covers a silicone-rubber-remover compound in the form of a liquid supplied as a ready-to-use product. 1.2 Application: This compound has been used typically for removal of silicone rubber adhesive/sealant materials from turbine engine components by immersion at room tempe
6、rature, but usage is not limited to such applications. This compound shall not be used on steel parts having hardness of 40 HRC or over. 1.3 Safety - Hazardous Materials: While the materials, methods, applications, and processes described or referenced in this specification may involve the use of ha
7、zardous 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 hazardous materials and to take necessary precautionary measures to ensure the health and safety o
8、f all personnel involved. 1.4 Precautions: Remover compound may contain chemicals which, if improperly used, could be hazardous to the health and safety of operators. Protective clothing including eye shields, suitable gloves, and apron should be worn when preparing and using remover. Tanks shall be
9、 prepared and operated under conditions of adequate fume extraction and with due regard to the safety recommendations of the manufacturer of the remover together with local workshop safety regulations. AMS 1386A SAE AMS 1386A - 2 - 2. APPLICABLE DOCUMENTS: The following publications form a part of t
10、his specification to the extent specified herein. The latest issue of SAE 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.
11、AMS 2825 Material Safety Data Sheets ARP1755 Effect of Cleaning Agents on Aircraft Engine Materials, Stock Loss Test Method 2.2 ASTM Publications: Available from ASTM, 1916 Race Street, Philadelphia, PA 19103-1187. ASTM D 1568 Sampling and Chemical Analysis of Alkylbenzene Sulfonates ASTM D 2667 Bio
12、degradability of Alkylbenzene Sulfonates ASTM F 945 Stress-Corrosion of Titanium Alloys by Aircraft Cleaning Materials 2.3 U.S. Government Publications: Available from Standardization Documents Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094. MIL-STD-2073-1 DOD Materiel, Pro
13、cedures for Development and Application of Packaging Requirements 3. TECHNICAL REQUIREMENTS: 3.1 Composition: Shall be optional with the manufacturer but, when prepared in accordance with manufacturers instructions, shall form a liquid product, with no solid sediment at room temperature, meeting the
14、 applicable requirements of 3.2. 3.1.1 Compound containing volatile solvents shall be provided with an upper liquid seal to retard evaporation of solvent from the lower working layer. Solution make up, depth of seal if required, and solution control of the lower and seal phases shall be in accordanc
15、e with manufacturers instructions and purchasers requirements. AMS 1386A SAE AMS 1386A - 3 - 3.2 Properties: Compound shall conform to the following requirements; tests shall be performed in accordance with specified test methods on the product supplied at the maximum concentration and temperature r
16、ecommended by the manufacturer; if a seal is specified, tests shall be performed on the lower liquid layer through the seal: 3.2.1 Stock Loss: Test panels of alloys or electrodeposits shall not incur stock loss exceeding 0.000025 inch (0.635 m) per surface and plasma deposited coatings shall not inc
17、ur stock loss exceeding 0.0001 inch (2.5 m) when tested in accordance with ARP1755, Category 8. Where required in ARP1755, stock loss figures shall be reported. Vendor may indicate where remover is not recommended for particular alloys or surface coatings. 3.2.2 Pitting and Intergranular Attack: Tes
18、t panels and bars used for the stock loss test of 3.2.1 shall neither exhibit pitting corrosion nor show visual evidence of degradation, when examined at 50X magnification under good oblique surface lighting conditions. 3.2.3 Biodegradability: Vendor shall supply evidence that surfactants used in th
19、e compound shall be at least 90% biodegradable, determined either in accordance with ASTM D 2667 where relevant to surfactant type or by alternative methods, appropriate to surfactant type, acceptable to purchaser. 3.2.3.1 Evidence of surfactant biodegradability does not guarantee that the compound
20、may be discharged in either concentrated or diluted form into public waterways or sewerage systems; manufacturers shall give advice on the means for disposal. 3.2.4 Storage Stability: Compound stored at 25 C 5 (77 F 9) for one year shall show no visual evidence of deterioration and shall meet all ot
21、her technical requirements. 3.2.5 Stress-Corrosion of Titanium Alloys: Compound shall not cause corrosion of titanium alloys, determined in accordance with ASTM F 945, Method A or Method B. 3.2.6 Performance: Remover, prepared and used in accordance with manufacturers instructions, shall remove sili
22、cone rubber from parts. Remover which meets all other technical requirements shall be tested for silicone-rubber-removing performance in an approved engine overhaul facility for not less than six months, during which time at least ten turbofan or turbojet engines, or equivalent, shall be processed w
23、ith satisfactory results before approval for service use is granted by the applicable engine manufacturer. 3.3 Quality: The compound, as received by purchaser, shall be clear, homogeneous, and free from solid particles and separation and from foreign materials detrimental to usage of the compound. (
24、R) AMS 1386A SAE AMS 1386A - 4 - 4. QUALITY ASSURANCE PROVISIONS: 4.1 Responsibility for Inspection: The vendor of the compound 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 confirmator
25、y testing deemed necessary to ensure that the compound conforms to the requirements of this specification. 4.2 Classification of Tests: Tests for all technical requirements are preproduction tests and shall be performed prior to or on the initial shipment of compound to a purchaser, when a change in
26、 ingredients and/or processing requires reapproval as in 4.4.2, and when purchaser deems confirmatory testing to be required. 4.2.1 For direct U.S. Military procurement, substantiating test data and, when requested, preproduction test material shall be submitted to the cognizant agency as directed b
27、y the procuring activity, contracting officer, or request for procurement. 4.3 Sampling and Testing: Shall be in accordance with ASTM D 1568 or other method acceptable to purchaser. A lot shall be all compound produced in a single production run from the same batches of raw materials under the same
28、fixed conditions and presented for vendors inspection at one time. An inspection 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 use is supplied, unless such approval be waived by purchaser. Results of tests on
29、 production compound shall be essentially equivalent to those on the approved sample compound. 4.4.1.1 A new or revised compound may be conditionally approved pending completion of the storage stability test of 3.2.4. Full approval will be granted following testing for the other technical requiremen
30、ts after completion of storage stability testing. 4.4.2 Vendor shall use ingredients, manufacturing procedures, and methods of inspection on production compound which are essentially the same as those used on the approved sample compound. If necessary to make any change in ingredients or in manufact
31、uring procedures, vendor shall submit for reapproval a statement of the proposed changes in ingredients and/or processing and, when requested, sample compound. Production compound made by the revised procedure shall not be shipped prior to receipt of reapproval. (R) AMS 1386A SAE AMS 1386A - 5 - 4.5
32、 Reports: 4.5.1 The vendor of compound shall furnish with the initial shipment a report showing the results of tests to determine conformance to the technical requirements except that, for a new or revised compound, the results of the storage stability test may be omitted. This report shall include
33、the purchase order number, lot number, AMS 1386A, manufacturers identification, and quantity. 4.5.1.1 A material safety data sheet conforming to AMS 2825, or equivalent, shall be supplied to each purchaser prior to or concurrent with the report of preproduction test results or, if preproduction test
34、ing be waived by purchaser, concurrent with the first shipment of compound for production use. Each request for modification of compound formulation shall be accompanied by a revised data sheet for the proposed formulation. 4.5.2 The vendor of the compound shall furnish with each subsequent shipment
35、 a report stating that the compound is of the same composition and has the same properties as the approved sample compound. If results of the storage stability test were not included in the report on the initial shipment of compound, results of that test shall be included in the report on the first
36、shipment following completion of that test. This report shall include the purchase order number, lot number, AMS 1386A, manufacturers identification, and quantity. If compound from more than one lot is supplied in one shipment, a report shall be supplied for each lot of compound in the shipment. 4.5
37、.3 A bulletin describing the compound and detailed instructions for its use shall be provided by the compound manufacturer. The bulletin shall also include at least mixing instructions, material compatibility, properties, control/analysis procedures, and safety practices including precautions for ha
38、zardous ingredients. 4.6 Resampling and Retesting: If any sample used in the above tests fails to meet the specified requirements, disposition of the compound may be based on the results of testing three additional samples for each original nonconforming sample. Failure of any retest sample to meet
39、the specified requirements 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 acceptable to purchaser. 5.1.1.1 Compound may
40、be packaged in small quantities and delivered under the basic lot approval provided lot identification is maintained. 5.1.2 Each container of compound shall be legibly marked with not less than AMS 1386A, purchase order number, lot number, manufacturers identification, and quantity. (R) (R) AMS 1386
41、A SAE AMS 1386A - 6 - 5.1.3 Containers of compound shall be prepared for shipment in accordance with commercial practice and in compliance with applicable rules and regulations pertaining to the handling, packaging, and transportation of the compound to ensure carrier acceptance and safe delivery. 5
42、.1.4 For direct U.S. Military procurement, packaging shall be in accordance with MIL-STD-2073-1, Commercial Level, unless Level A is specified in the request for procurement. 6. ACKNOWLEDGMENT: A vendor shall mention this specification number and its revision letter in all quotations and when acknow
43、ledging purchase orders. 7. REJECTIONS: Compound not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection. 8. NOTES: 8.1 Marginal Indicia: The (R) symbol is used to indicate technical changes from the previous issue of this specification. 8.2 Di
44、mensions in inch/pound units and the Celsius temperatures are primary; dimensions in SI units and the Fahrenheit temperatures are shown as the approximate equivalents of the primary units and are presented only for information. 8.3 For direct U.S. Military procurement, purchase documents should spec
45、ify not less than the following: Title, number, and date of this specification Type and size of containers desired Quantity of compound desired Level A packaging, if required (See 5.1.4). 8.4 Compound meeting the requirements of this specification has been classified under Federal Supply Classification (FSC) 6850. 8.5 Key Words: Compound, silicone rubber remover, turbine engine components, liquid, room-temperature application PREPARED UNDER THE JURISDICTION OF AMS COMMITTEE “J“ (AMCM). (R) (R)
