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 entirelyvoluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefro
2、m, 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 2007 SAE InternationalAll rights reserved. No part of this publication may be
3、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)Fax: 724-
4、776-0790Email: custsvcsae.orgSAE WEB ADDRESS: http:/www.sae.orgRubber, SiliconeFlame Retardant, Low Smoke Density, High Strength65 - 75 DurometerColor WhiteRATIONALEThis document has been reaffirmed to comply with the SAE 5-year Review policy.1. SCOPE:1.1 Form: This specification covers a silicone e
5、lastomer in the form of molded sheet and shapes, color coded white in accordance with ARP1527.1.2 Application: This elastomer has been used typically for parts in pressurized aircraft compartment interiors such as grommets, tube supports, clamp cushions, bushings and seals where flame resistance, lo
6、w smoke density and non-toxic gas generation are required, but usage is not limited to such applications. Each application should be considered separately.1.3 Safety - Hazardous Materials: While the materials, methods, applications, and processes described or referenced in this specification may inv
7、olve 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 the h
8、ealth and safety of all personnel involved.AEROSPACE MATERIAL SPECIFICATIONAMS 3310Issued MAR 1997Reaffirmed JUN 2007AMS 3310 SAE AMS 3310- 2 -2. APPLICABLE DOCUMENTS: The following publications form a part of this specification to the extent specified herein. The latest issue of SAE publications sh
9、all 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.AMS 2810 Identification and Packaging, Elastomeric ProductsARP1527 Color Coding - Elastomer
10、s for Tube Clamp Cushions2.2 ASTM Publications: Available from ASTM, 100 Barr Harbor, West Conshohocken, PA 19428-2959.ASTM D 297 Rubber Products, Chemical AnalysisASTM D 395 Rubber Property - Compression SetASTM D 412 Vulcanized Rubber and Thermoplastic Rubbers and Thermoplastic Elastomers - Tensio
11、nASTM D 471 Rubber Property - Effect of LiquidsASTM D 573 Rubber - Deterioration in an Air OvenASTM D 624 Tear Strength of Conventional Vulcanized Rubbers and Thermoplastic ElastomersASTM D 1329 Evaluating Rubber Property - Retraction at Low Temperature (TR Test)ASTM D 2240 Rubber Property-Durometer
12、 HardnessASTM E 162 Surface Flammability of Materials Using a Radiant Heat Energy SourceASTM E 662 Specific Optical Density of Smoke Generated by Solid Materials Using a Radiant2.3 Federal Aviation Regulations: Available from Superintendent of Documents, U.S. Government Printing Office, Washington,
13、DC 20402.Federal Aviation Regulations - Part 25, Fire Protection, Section 25.853 - Compartment Interiors3. TECHNICAL REQUIREMENTS: 3.1 Material: Shall be a silicone rubber compound suitably cured to produce a product meeting the requirements of paragraph 3.2 of this specification and not contain any
14、 fabric reinforcement unless otherwise specified.3.1.1 Product shall be color coded white in accordance with ARP1527.AMS 3310 SAE AMS 3310- 3 -3.1.2 The test fluids used for soak testing shall be the two commercially available, low density, phosphate ester hydraulic fluids that meet AS1241, Type IV,
15、 Class 1, Grade A requirements. Fluid soak tests shall be performed in each fluid independently. Test requirements will remain the same for all test fluids.3.2 Properties: The product shall conform to the requirements shown in Table 1; tests shall be performed on the product supplied and in accordan
16、ce with the ASTM methods, insofar as practicable.TABLE 1 - PropertiesParagraph Property Requirement Test Method3.2.1 Hardness, Durometer “A” 65 to 75 ASTM D 22403.2.2 Tensile Strength, min 6.90 MPa(1000 psi)ASTM D 4123.2.3 Elongation, min 300% ASTM D 4123.2.4 Tear Strength, min 263 kN/m(150 lbf/in)A
17、STM D 624 (Die “B“ with grain)3.2.5 Specific Gravity Qualification Value0.03ASTM D 2973.2.6 Tension Set, max 12% ASTM D 412Specimen held at 200% elongationfor 10 minutes, allowed 5 minutes 0.5for recovery prior to measurement.Use die “C“3.2.7 Compression Set ASTM D 395, Method B3.2.7.1 Percent of Or
18、iginalDeflection, max 30Temperature: 100 C 3(212 F 5)Time: 70 hours + 0.53.2.8 Dry Heat Resistance ASTM D 573Temperature: 200 C 3(392 F 5)Time: 70 hours 0.53.2.8.1 Hardness Change,Durometer “A“ 0 to +10 ASTM D 22403.2.8.2 Tensile Strength, min 5.52 MPa (800 psi) ASTM D 4123.2.8.3 Elongation, min 135
19、% ASTM D 4123.2.8.4 Tear Strength, min 21.0 kN/M(120 lbf/in)ASTM D 624, Die “B“ with grain3.2.8.5 Volume Change, % -5 to 0 ASTM D 471AMS 3310 SAE AMS 3310- 4 -TABLE 1 - Properties (Continued)Paragraph Property Requirement Test Method3.2.9 Retraction atLow Temperature3.2.9.1 TR-10 Temperature,C (F),
20、max-54 (-65) ASTM D 13293.2.10 Hydraulic FluidResistanceASTM D 471Medium: AS1241, Type IV,Class 1, Grade ATemperature: 70 C 3(158 F 5)Time: 70 hours 0.53.2.10.1 Hardness Change,Durometer “A“ -20 to 0 ASTM D 22403.2.10.2 Tensile Strength, min 5.52 MPa (800 psi) ASTM D 4123.2.10.3 Elongation, min 250%
21、 ASTM D 4123.2.10.4 Tear Strength, min 21.0 kN/M(120 lbf/in)ASTM D 412, Die “B” with grain3.2.10.5 Volume Change, % 0 to +30 ASTM D 4713.2.11 Flammability3.2.11.1 60 Second Vertical Ignition FAR 25.853Appendix F3.2.11.1.1 Flame Time, Seconds,max 153.2.11.1.2 Burn Length,mm, max 152 mm (6)3.2.11.1.3
22、Burn Time ofDrippings, Seconds, max 33.2.11.2 30 Second, 45 DegreeIgnitionFAR 25.853Appendix F3.2.11.2.1 Flame Time, Seconds,max 153.2.11.2.2 Glow Time, Seconds,max 103.2.11.2.3 Flame Penetration Time None3.2.11.3 15 Second HorizontalIgnitionFAR 25.853Appendix FAMS 3310 SAE AMS 3310- 5 -3.3 Quality:
23、 The product, as received by purchaser, shall be uniform in quality and condition, smooth, as free from foreign material as commercially practicable, and free from imperfections detrimental to usage of the product.4. QUALITY ASSURANCE PROVISIONS: 4.1 Responsibility for Inspection: The manufacturer o
24、f the product shall supply all samples and shall be responsible for all required tests. Purchaser reserves the right to sample and to perform any confirmatory testing deemed necessary to ensure that the product conforms to the requirements of this specification. The manufacturer may use their own fa
25、cilities or any commercial laboratory acceptable to the cognizant agency assurance organization.TABLE 1 - Properties (Continued)Paragraph Property Requirement Test Method3.2.11.3.1 Burn Rate, mm/s max 1.06 mm/s(2.5 in/min)3.2.12 Smoke Generation onCombustion3.2.12.1 Flaming Exposure:Specific Optical
26、Density, DS,4 minutes, max 200FAR 25.853Appendix FASTM E 6623.2.13 Toxic Gas Generationon CombustionLimits are a Consensus ofCommercial Aircraft Manufacturers.AMINCO/NBS Smoke DensityChamber, Cat. No. 4-5800B,Instruction Manual 941-B3.2.13.1 Flaming Exposure after4 minutesCO, ppm, maxHF, ppm, maxHCl
27、, ppm, maxNOx, ppm, maxSO2, ppm, maxHCN, ppm, max3500505001001001503.2.14 Surface Flammability ASTM E 1623.2.14.1 Flame Spread Index ReportAMS 3310 SAE AMS 3310- 6 -4.2 Classification of Tests: 4.2.1 Acceptance Tests: Conformance to the requirements shown in Table 2 are acceptance tests, and shall b
28、e performed on each lot:4.2.2 Preproduction Tests: All technical requirements are production tests, and shall be performed prior to or on the initial shipment of a product by the manufacturer to a purchaser, when a change in material and/or processing, requires reapproval, as in 4.4.2, and when purc
29、haser deems confirmatory testing to be required.4.3 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
30、 test procedure, or if not specified therein, not less than three. When the product supplied is of such shape that suitable test specimens cannot be cut from the product, a separate, flat strip test sample shall be supplied upon request.4.3.2 A lot shall be all product from the same batch of compoun
31、d processed in one continuous run and presented for manufacturers inspection at one time.4.3.3 A batch shall be the quantity of compound run through a mill or mixer at one time.4.4 Approval: 4.4.1 Sample product shall be approved by purchaser before material for production use is supplied. Results o
32、f tests on production material shall be essentially equivalent to those on the approved sample, unless such approval be waived by purchaser.TABLE 2 - Acceptance TestsTest Paragraph ReferenceHardnessTensile StrengthElongationSpecific GravityCompression SetFlammability3.2.13.2.23.2.33.2.53.2.73.2.11AM
33、S 3310 SAE AMS 3310- 7 -4.4.2 Manufacturer shall use ingredients, manufacturing procedures, processes, and methods of inspection on product materials which are essentially the same as those used on the approved sample material. If necessary to make any change in ingredients, in type of equipment for
34、 processing, or in manufacturing procedures, manufacturer shall submit for reapproval a statement of proposed changes in material and/or processing, and when requested, sample product. Production product made by the revised procedure shall not be shipped prior to receipt of reapproval.4.5 Reports: 4
35、.5.1 The supplier of the product shall furnish with each shipment a report from the manufacturer showing the results of tests to determine conformance to the acceptance test requirements and stating that the product conforms to the other technical requirements. This report shall include the purchase
36、 order number, lot number, AMS 3310, manufacturers identification, form or part number, and quantity.4.5.2 A material safety data sheet conforming to AMS 2825, or equivalent, shall be supplied to each purchase prior to, or concurrent with, the report of preproduction test results or, if preproductio
37、n testing is waived by purchaser, concurrent with the first shipment of product for production use. Each request for modification shall be accompanied by a revised data sheet for the proposed modification.4.6 Resampling and Retesting: If any specimen used in the above tests fails to meet specified r
38、equirements, disposition of the product may be based on the results of testing three additional specimens for each original nonconforming specimen. Failure of any retest specimen to meet the specified requirements shall be cause for rejection of the product represented. Results of all tests shall be
39、 reported.5. PREPARATION FOR DELIVERY: 5.1 Identification and Packaging: Shall be in accordance with AMS 2810.5.1.1 A lot of product may be packaged in small quantities and delivered under the basic lot approval provided lot identification is maintained.6. ACKNOWLEDGMENT: A supplier shall mention th
40、is specification number in all quotations and when acknowledging purchase orders.AMS 3310 SAE AMS 3310- 8 -7. REJECTIONS: Product not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection.8. NOTES: 8.1 Purchase documents should specify not less t
41、han the following:Title, number, and date of this specificationForm and size or part number of product desiredQuantity of product desiredSpecial packaging, if required (See AMS 2810).8.2 Products meeting the requirements of this specification have been classified under Federal Supply Classification (FSC) 9320.PREPARED UNDER THE JURISDICTION OF AMS COMMITTEE “CE“
