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 2014 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/AMS3195G AEROSPACE MATERIAL SPECIFICATION AMS3195 REV. G Issued 1957-07 Reaffirme
5、d 2003-11 Revised 2014-05 Superseding AMS3195F Silicone Rubber Sponge Closed Cell, Medium RATIONALE This document is being revised through a limited scope ballot to remove incorrect paragraph references. 1. SCOPE 1.1 Form This specification covers a silicone rubber sponge in the form of sheet, strip
6、, extrusions, and molded shapes. 1.2 Application This product has been used typically for general applications requiring closed-cell, medium sponge rubber that will be flexible from -103 to +401 F (-75 to +205 C), but usage is not limited to such applications. Compression set may be high at the high
7、er temperature. 1.3 Safety - Hazardous 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 the hazards which may be involved in such use. It is the sole respo
8、nsibility 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 of all personnel involved. 2. APPLICABLE DOCUMENTS The issue of the following documents in effect on the date of the purcha
9、se order forms a part 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 i
10、ssue of that document 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 724-776-4970 (outside USA), www.sae.org. AMS2810 Identification and Packaging, Elastomeric Products SAE INTERNATIO
11、NAL AMS3195G Page 2 of 5 2.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org. ASTM D 746 Standard Test Method for Brittleness Temperature of Plastics and Elastomers by Impact ASTM D 1056 Stan
12、dard Specification for Flexible Cellular Materials - Sponge or Expanded Rubber 3. TECHNICAL REQUIREMENTS 3.1 Material Shall be a compound, based on a silicone rubber, suitably cured to produce a product meeting the requirements of 3.2 and 3.3. 3.2 Finish The top and bottom surfaces of sheet and stri
13、p and the exterior surfaces of molded parts and extrusions (except ends) shall have a natural finish. 3.3 Properties The product shall conform to the requirements shown in Table 1, tests shall be performed on the product supplied and in accordance with ASTM D 1056, except as otherwise specified here
14、in: TABLE 1 - PROPERTIES Paragraph Test Requirement Test Method 3.3.1 Compression-Deflection 6 to 14 psi 77 F 9 (41.3 to 96.5 kPa) (25 C 5) 3.3.2 Density, maximum Nominal Thickness 3.3.2.1 Under 0.25 inch (6.35 mm) 0.025 pounds/cubic inch (0.69 g/cm) 3.3.2.2 0.25 inch (6.35 mm) and over 0.020 pounds
15、/cubic inch (0.55 g/cm) 3.3.3 Compression Set 212 F r 2 (100 C r 1) 3.3.3.1 Percent of Original 22 hours 0.2 Deflection, maximum 60% 3.3.4 Brittleness Temperature, ASTM D 746 maximum -67 F (-55 C) 3.4 Quality The product, as received by purchaser, shall be uniform in quality and condition, smooth, a
16、s free from foreign materials as commercially practicable, and free from imperfections detrimental to usage of the product. 3.5 Tolerances Shall be as shown in Table 2 and Table 3; measurements shall be made in accordance with ASTM D 1056: 3.5.1 Sheet and Strip 3.5.1.1 Thickness SAE INTERNATIONAL AM
17、S3195G Page 3 of 5 TABLE 2A - TOLERANCES, INCH/POUND UNITS Nominal Thickness Inch Tolerance Inch plus Tolerance Inch minus Up to 0.063, inclusive 0.030 0.016 Over 0.063 to 0.188, inclusive 0.030 0.030 Over 0.188 to 0.313, inclusive 0.050 0.030 Over 0.313 to 0.500, inclusive 0.060 0.060 Over 0.500 to
18、 0.750, inclusive 0.090 0.090 Over 0.750 0.120 0.120 TABLE 2B - TOLERANCES, SI UNITS Nominal Thickness Millimeters Tolerance Millimeters plus Tolerance Millimeters minus Up to 1.60, inclusive 0.76 0.41 Over 1.60 to 4.78, inclusive 0.76 0.76 Over 4.78 to 7.95, inclusive 1.27 0.76 Over 7.95 to 12.70,
19、inclusive 1.52 1.52 Over 12.70 to 19.05, inclusive 2.29 2.29 Over 19.05 3.05 3.05 3.5.1.2 Length and Width TABLE 3A - TOLERANCES, INCH/POUND UNITS Nominal Length and Width Inches Tolerance, Inch plus and minus Up to 6, inclusive 0.125 Over 6 to 18, inclusive 0.250 Over 18 0.375 TABLE 3B - TOLERANCES
20、, SI UNITS Nominal Length and Width Millimeters Tolerance, Millimeters plus and minus Up to 152, inclusive 3.18 Over 152 to 457, inclusive 6.35 Over 457 9.52 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The vendor of sponge shall supply all samples for vendors tests and shall be
21、 responsible for the performance of all required tests. Purchaser reserves the right to sample and to perform any confirmatory testing deemed necessary to ensure that the sponge conforms to specified requirements. 4.2 Classification of Tests Tests for all technical requirements are acceptance tests
22、and preproduction tests and shall be performed prior to or on the initial shipment of sponge to a purchaser, on each lot, when a change in ingredients and/or processing requires reapproval as in 4.4.2, and when purchaser deems confirmatory testing to be required. 4.3 Sampling and Testing Shall be as
23、 follows: SAE INTERNATIONAL AMS3195G Page 4 of 5 4.3.1 For Acceptance Tests Sufficient sponge shall be taken at random from each lot to perform all required tests. The number of determinations for each requirement shall be as specified in the applicable test procedure or, if not specified therein, n
24、ot less than three. 4.3.1.1 A lot shall be all sponge produced from the same batch of compound, processed in one continuous production run, and presented for vendors inspection at one time. An inspection lot shall not exceed 500 pounds (227 kg). 4.3.1.2 A batch shall be the quantity of compound run
25、through a mill or mixer at one time. 4.3.1.3 When a statistical sampling plan has been agreed upon by purchaser and vendor, sampling shall be in accordance with such plan in lieu of sampling as in 4.3.1 and the report of 4.5 shall state that such plan was used. 4.3.2 For Preproduction Tests As agree
26、d upon by purchaser and vendor. 4.4 Approval 4.4.1 Sample sponge shall be approved by purchaser before sponge for production use is supplied, unless such approval be waived by purchaser. Results of tests on production sponge shall be essentially equivalent to those on the approved sample. 4.4.2 Vend
27、or shall use ingredients, manufacturing procedures, processes, and methods of inspection on production sponge which are essentially the same as those used on the approved sample sponge. If necessary to make any change in ingredients, in type of equipment for processing, or in manufacturing procedure
28、s, vendor shall submit for re-approval a statement of the proposed changes in ingredients and/or processing and, when requested, sample sponge. Production sponge made by the revised procedure shall not be shipped prior to receipt of re-approval. 4.5 Reports The vendor of sponge shall furnish with ea
29、ch shipment a report showing the results of tests to determine conformance to the technical requirements. This report shall include the purchase order number, vendors compound number, lot number, AMS3195G, form or part number, and quantity. 4.6 Resampling and Retesting If any specimen used in the ab
30、ove tests fails to meet the specified requirements, disposition of the sponge may be based on the results of testing three additional specimens from the same lot for each original nonconforming specimen. Failure of any retest specimen to meet the specified requirements shall be cause for rejection o
31、f the sponge represented. Results of all tests shall be reported. 5. PREPARATION FOR DELIVERY 5.1 Identification and Packaging Shall be in accordance with AMS2810. 5.1.1 A lot may be packaged in small quantities and delivered under the basic lot approval provided lot identification is maintained. 6.
32、 ACKNOWLEDGMENT A supplier shall mention this specification number and its revision letter in all quotations and when acknowledging purchase orders. SAE INTERNATIONAL AMS3195G Page 5 of 5 7. REJECTIONS Sponge not conforming to this specification, or to modifications authorized by purchaser, will be
33、subject to rejection. 8. NOTES 8.1 A change bar (|) located in the left margin is for the convenience of the user in locating areas where technical revisions, not editorial changes, have been made to the previous issue of this document. An (R) symbol to the left of the document title indicates a com
34、plete revision of the document, including technical revisions. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only. 8.2 Dimensions and properties in inch/pound units and the Fahrenheit temperatures are primary; dimensions and properties in
35、SI units and the Celsius temperatures are shown as the approximate equivalents of the primary units and are presented only for information. 8.3 Purchase documents should specify not less than the following: AMS3195G Form and size or part number of sponge desired Quantity of sponge desired. PREPARED BY AMS COMMITTEE “CE“
