SAE AMS 3196G-2017 Sponge Silicone Rubber Closed Cell Firm.pdf

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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/AMS3196G AEROSPACE MATERIAL SPECIFICATION AMS3196 REV. G Issued 1957-07 Reaffirmed 2008-06 Revi

5、sed 2017-04 Superseding AMS3196F Sponge, Silicone Rubber Closed Cell, Firm RATIONALE This specification is being revised to clarify the responsibilities for inspection and product approval. 1. SCOPE 1.1 Form This specification covers a silicone rubber sponge in the form of sheet, strip, extrusions,

6、and molded shapes. 1.2 Application This product has been used typically for general applications requiring closed cell, firm sponge rubber that will be flexible from 75 to +205 C (103 to +401 F), but usage is not limited to such applications. Compression set may be high at the higher temperature. 1.

7、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 responsibility of the use

8、r 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 purchase order forms a par

9、t 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 documen

10、t 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. AMS2810 Identification and Packaging Elastomeric Products SAE INTERNATIONAL AMS3196 G Page

11、 2 of 6 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 D746 Brittleness Temperature of Plastics and Elastomers by Impact ASTM D1056 Flexible Cellular Materials Sponge or Expanded R

12、ubber 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 strip and the exterior surfaces of molded parts and extrusions (except ends)

13、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 D1056, except as otherwise specified herein: Table 1 - Properties Paragraph Test Requirement Test Method 3.3.1 Comp

14、ression-Deflection 12-20 psi (83-138 kPa) 25 C 5 C (77 F 9 F) 3.3.2 Density, maximum Nominal Thickness 3.3.2.1 Under 0.25 inch (6.35 mm) 0.030 lb/in3 (830 kg/m3) 3.3.2.2 0.25 inch (6.35 mm) and over 0.025 lb/in3 (692 kg/m3) 3.3.3 Compression Set 100 C 1 C (212 F 2 F) 3.3.3.1 Percent of Original Defl

15、ection, maximum 60% 22 hours 0.2 hour 3.3.4 Brittleness Temperature, maximum -55 C (-67 F) ASTM D746 SAE INTERNATIONAL AMS3196 G Page 3 of 6 3.3.1 Weathering When specified, the product shall have weather resistance acceptable to purchaser, determined by a procedure agreed upon by purchaser and vend

16、or. 3.3.2 Corrosion The product shall not have a corrosive effect on other materials when exposed to conditions normally encountered in service determined by a procedure agreed upon by purchaser and vendor. Discoloration of metal shall not be considered objectionable. Standards for acceptance shall

17、be as agreed upon by purchaser and vendor. 3.4 Quality The product, as received by purchaser, shall be uniform in quality and condition, smooth, as free from foreign materials as commercially practicable, and free from imperfections detrimental to usage of the product. 3.5 Tolerances Shall be as sho

18、wn in Tables 2 and 3; measurements shall be made in accordance with ASTM D1056: 3.5.1 Sheet and Strip 3.5.1.1 Thickness Table 2 Table 2A - Thickness tolerances, inch/pound units Nominal Thickness Inch Tolerance, Inch Plus Tolerance, Inch Minus Up to 0.063 incl 0.030 0.016 Over 0.063 to 0.188 incl 0.

19、030 0.030 Over 0.188 to 0.313 incl 0.050 0.030 Over 0.313 to 0.500 incl 0.060 0.060 Over 0.500 to 0.750 incl 0.090 0.090 Over 0.750 0.120 0.120 Table 2B - Thickness tolerances, SI units Nominal Thickness Millimeters Tolerance, Millimeters Plus Tolerance, Millimeters Minus Up to 1.60 incl 0.76 0.41 O

20、ver 1.60 to 4.78 incl 0.76 0.76 Over 4.78 to 7.95 incl 1.27 0.76 Over 7.95 to 12.70 incl 1.52 1.52 Over 12.70 to 19.05 incl 2.29 2.29 Over 19.05 3.05 3.05 SAE INTERNATIONAL AMS3196 G Page 4 of 6 3.5.1.2 Length and Width Table 3 Table 3A - Length and width tolerances, inch/pound units Nominal Length

21、and Width Inches Tolerance, Inch Plus and Minus Up to 6, incl 0.125 Over 6 to 18, incl 0.250 Over 18 0.375 Table 3B - Length and width, tolerances, SI units Nominal Length and Width Millimeters Tolerance, Millimeters Plus and Minus Up to 152, incl 3.18 Over 152 to 457, incl 6.35 Over 457 9.52 4. QUA

22、LITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The supplier of the product shall be responsible for performance of all required tests. Purchaser reserves the right to sample and perform any testing deemed necessary to ensure that the product conforms to the AMS requirements. 4.2 Classif

23、ication of Tests Tests for all technical requirements are acceptance tests 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 deem

24、s 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 by the procuring activity, contracting officer, or request for procurement. 4.3 Sampling

25、 and Testing Shall be as follows: 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, not less than th

26、ree. 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. A lot shall not exceed 500 pounds (227 kg) and may be packaged in smaller quantities and delivered under the basic lot approval

27、 provided lot identification is maintained. 4.3.1.2 A batch shall be the quantity of compound run through a mill or mixer at one time. SAE INTERNATIONAL AMS3196 G Page 5 of 6 4.3.1.3 When a statistical sampling plan has been agreed upon by purchaser and vendor, sampling shall be in accordance with s

28、uch 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 agreed upon by purchaser and vendor. 4.4 Approval 4.4.1 If required by the purchaser, sample sponge shall be approved by purchaser before sponge for production use is

29、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 Vendor shall use ingredients, manufacturing procedures, processes, and methods of inspection on production sponge which are essentially

30、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 procedures, vendor shall submit for reapproval a statement of the proposed changes in ingredients and/or processing and, when requested, samp

31、le sponge. Production sponge made by the revised procedure shall not be shipped prior to receipt of reapproval. 4.5 Reports The vendor of sponge shall furnish with each shipment a report showing the results of tests to determine conformance to the technical requirements. This report shall include th

32、e purchase order number, vendors compound number, lot number, AMS3196G, form or part number, and quantity. 4.6 Resampling and Retesting If any specimen used in the above tests fails to meet the specified requirements, disposition of the sponge may be based on the results of testing three additional

33、specimens for each original nonconforming specimen. Failure of any retest specimen to meet the specified requirements shall be cause for rejection of the sponge represented. Results of all tests shall be reported. 5. PREPARATION FOR DELIVERY 5.1 Identification and Packaging Shall be in accordance wi

34、th AMS2810. 6. ACKNOWLEDGMENT A vendor shall mention this specification number and its revision letter in all quotations and when acknowledging purchase orders. 7. REJECTIONS Sponge not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection. SAE I

35、NTERNATIONAL AMS3196 G Page 6 of 6 8. NOTES 8.1 Revision Indicator A change bar (l) 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 th

36、e document title indicates a complete 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 primar

37、y; dimensions and properties in SI units and the Celsius 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 specify not less than the following: Title, number, and date

38、 of this specification Form and size or part number of sponge desired Quantity of sponge desired Acceptance standards and test methods for weathering (see 3.3.5) and corrosion (see 3.3.6) Level A packaging, if required (see AMS2810) 8.4 Similiar Specifications MIL-R-46089 is listed for information only and shall not be construed as an acceptable alternate unless all requirements of this AMS are met. 8.5 Sponge meeting the requirements of this specification has been classified under Federal Supply Classification (FSC) 9320. PREPARED BY AMS COMMITTEE “CE”