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    SAE AMS 3307D-2009 Rubber Silicone (VMQ) Low Compression Set Non-Oil-Resistant 65 - 75《不耐油低压缩永久变形硅橡胶(VMQ) 65-75》.pdf

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    SAE AMS 3307D-2009 Rubber Silicone (VMQ) Low Compression Set Non-Oil-Resistant 65 - 75《不耐油低压缩永久变形硅橡胶(VMQ) 65-75》.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 reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2009 SAE International All rights reserved. No part of this publication m

    3、ay 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: 724-776-4970 (outside USA)

    4、 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/AMS3307D AEROSPACE MATERIAL SPECIFICATION AMS3307D Issued 1969-05 Reaffirmed 2003-11 Revised 200

    5、9-05 Superseding AMS3307C Rubber, Silicone (VMQ) Low Compression Set, Non-Oil-Resistant 65 - 75 RATIONALE AMS3307D results from a Five Year Review and update of this specification. 1. SCOPE 1.1 Form This specification covers a silicone (VMQ) rubber in the form of sheet, strip, and molded shapes. 1.2

    6、 Application Primarily for parts required to operate or seal from -55 to +200C (-67 to +392F), compounded especially for low compression set. Silicone rubber is resistant to deterioration by ozone, smog, and weathering and remains flexible over the temperature range noted. These products are not int

    7、ended for use with petroleum-base fluids or lubricants. Certain design applications may cause these products to be susceptible to cutting, tearing, and abrasion. 1.3 Safety - Hazardous Materials While the materials, methods, applications, and processes described or referenced in this specification m

    8、ay 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 of any hazardous materials and to take necessary precautionary measures to ensure

    9、 the health and safety of all personnel involved. 2. APPLICABLE DOCUMENTS 2.1 The purchase order date shall stipulate the published document that shall be in effect. The supplier may work to a subsequent revision unless a particular revision is specified. When the referenced document has been cancel

    10、led and no superseding document has been specified, the last published revision shall apply 2.2 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. AMS2279 Toleranc

    11、es, Rubber Products AMS2810 Identification and Packaging, Elastomeric Products SAE AMS3307D Page 2 of 5 2.3 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 297 Rubber Products - Chemi

    12、cal Analysis ASTM D 395 Rubber Property - Compression Set ASTM D 412 Rubber Properties in Tension ASTM D 573 Rubber - Deterioration in an Air Oven ASTM D 624 Rubber Property - Tear Resistance ASTM D 1329 Evaluating Rubber Property - Retraction at Low Temperature (TR Test) ASTM D 2240 Rubber Property

    13、 - Durometer Hardness 3. TECHNICAL REQUIREMENTS 3.1 Material Shall be a compound, based on a silicone (VMQ) rubber, suitably cured to produce a product meeting the requirements of 3.2. 3.2 Properties The product shall conform to the following requirements shown in Table 1; tests shall be performed o

    14、n the product supplied and in accordance with specified ASTM methods, insofar as practicable: TABLE 1 TEST REQUIREMENTS Property Requirement Test Method 3.2.1 Original Properties 3.2.1.1 Hardness, Durometer “A“ or equivalent 70 5 ASTM D 2240 3.2.1.2 Tensile Strength, minimum 800 psi (5.52 MPa) ASTM

    15、D 412, Die B or C 3.2.1.3 Elongation, minimum 125% ASTM D 412, Die B or C 3.2.1.4 Tear Resistance, minimum 50 pounds force per inch (8.76 kN/m) ASTM D 624, Die B 3.2.1.5 Specific Gravity Preproduction Value 0.02 ASTM D 297 3.2.2 Dry Heat Resistance ASTM D 573 Temperature: 225C 3 3.2.2.1 Hardness Cha

    16、nge, Durometer “A“ or equivalent 10 (437F 5) Time: 22 hours 0.5 3.2.2.2 Tensile Strength Change, maximum -15% 3.2.2.3 Elongation Change, maximum -30% 3.2.2.4 Bend (flat) No cracking or checking 3.2.3 Compression Set Percent of Original Deflection, maximum 20 ASTM D 395, Method B Temperature: 175C 3

    17、(347F 5) Time: 22 hours 0.5 3.2.4 Low-Temperature Resistance 3.2.4.1 Temperature Retraction, TR-10 Point, maximum -45C (-49F) ASTM D 1329, Elongate specimens 75% SAE AMS3307D Page 3 of 5 3.3 Quality The product, as received by purchaser, shall be uniform in quality and condition, smooth, as free fro

    18、m foreign material as commercially practicable, and free from imperfections detrimental to usage of the product. 3.4 Dimensions and Tolerances Dimensions and tolerances shall be as specified in the parts standard, drawing or purchase document. If not specified, shall conform to all applicable requir

    19、ements of AMS2279 . 3.5 Toxicological Formulations The material shall have no adverse effects on the health of personnel when used for its intended purpose in accordance with manufacturers instructions and with appropriate handling procedures. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for I

    20、nspection The manufacturer 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 Classification of Tests 4.2.1 Acceptance Tests Tests

    21、for requirements shown in Table 2 are acceptance tests and shall be performed on each lot: TABLE 2 Requirement Paragraph Reference Hardness, as received 3.2.1.1 Tensile Strength, as received 3.2.1.2 Elongation, as received 3.2.1.3 Specific Gravity 3.2.1.5 Compression Set 3.2.3 4.2.1.1 Lot: A quantit

    22、y of one size of product processed and packaged as one production entity from a batch 4.2.1.2 Batch: The quantity of compound run through a mill or mixer at one time. 4.2.1.3 Random Sampling The method shall be as specified in the parts standard, drawing or purchase document. If not specified, produ

    23、ct shall be taken at random from each lot to perform all the required acceptance tests. The number of test iterations for each requirement shall be specified in the applicable test procedure. 4.2.2 Qualification Tests All technical requirements shall be performed prior to the initial shipment of the

    24、 product to a purchaser when a change in ingredients and/or processing requires approval, when purchaser deems confirmatory testing to be required, and for reapproval of qualification per 3.5.1. 4.2.2.1 Sample shall be from a production batch/lot SAE AMS3307D Page 4 of 5 4.2.2.2. Report The supplier

    25、 of the product shall make a qualification test report available. This report shall include AMS number, manufacturers identification and product designation, batch/lot number, date of manufacture and the results of all qualification tests. The report shall be from a PRI approved laboratory. 4.2.3 Pr

    26、eproduction Tests All technical requirements are preproduction tests and shall be performed prior to or on the initial shipment of a product to a purchaser, 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

    27、.3 Sampling and Testing Shall be as follows: 4.3.1 For Acceptance Tests Sufficient product 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

    28、less than three. 4.3.1.1 If specimens cannot be prepared from the product, ASTM test specimens prepared from the same batch and state of cure shall be used. When the product supplied is an extrusion of such shape that suitable test specimens cannot be cut from the product, a separate flat strip test

    29、 sample from the same production lot shall be supplied upon request. This strip shall be prepared from tubing 1.000 inch 0.063 (25.40 mm 1.60) in OD by 0.075 inch 0.008 (1.90 mm 0.20) in wall thickness, mechanically slit and flattened into a strip while being extruded, and cured in the same manner a

    30、s production product. When the product is a molded shape from which test specimens cannot be cut, a slab 6 inches (152 mm) square by 0.075 inch 0.008 (1.90 mm 0.20) molded from the same batch of compound shall be supplied upon request. 4.3.1.2 When a statistical sampling plan has been agreed upon by

    31、 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. 4.4 Approval 4.4.1 Sample product shall be approved by purchaser before product for production use is supplied, unless such approval be wai

    32、ved by purchaser. Results of tests on production product 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 product which are essentially the same as those used on the appro

    33、ved sample product. 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, sample product. Production product mad

    34、e by the revised procedure shall not be shipped prior to receipt of reapproval. 4.5 Reports The vendor of the product shall furnish with each shipment a report showing the results of tests to determine conformance to the acceptance test requirements and stating that the product conforms to the other

    35、 technical requirements. This report shall include the purchase order number, lot number, AMS3307D, vendors compound number, form and size or part number, and quantity. SAE AMS3307D Page 5 of 5 4.6 Resampling and Retesting If any specimen fails, a retesting of three additional specimens for each non

    36、conforming specimen shall be necessary for product acceptance. The same batch/lot of product used for the failed test shall be used for retesting. Failure of any retest specimen shall be cause for rejection. Results of all tests shall be reported. 5. PREPARATION FOR DELIVERY 5.1 Identification and P

    37、ackaging Shall be as specified in the parts standard, drawing or purchase document. If not specified, shall be as follows: Packaging shall be in accordance with AMS2810. A lot may be packaged in small quantities and delivered under the basic lot approval provided lot information in maintained. 5.1.1

    38、 Each package, box, and shipping container shall be permanently and legibly marked with the following when pertinent: Specification number AMS number with revision, class, grade, and type Manufacturers identification Manufacturers product designation Batch/lot number Date of manufacturing/packaging

    39、Shelf life expiration date Storage conditions 6. ACKNOWLEDGMENT A vendor shall mention this specification number and its revision letter in all quotations and when acknowledging purchase orders. 7. REJECTIONS Product not conforming to this specification, or to modifications authorized by purchaser,

    40、will be 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 a document. An (R) symbol to the left of the document title indicates

    41、a complete revision of the document, including technical revision. 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 SI units and the Celsius temperatures are shown as the approximate equivalents of the primary units and are presented only for information. PREPARED BY AMS COMMITTEE “CE“


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