BS ISO 13738-2011 Lubricants industrial oils and related products (class L) Family E (Internal combustion engine oils) Specifications for two-stroke-cycle gasoline engine oils (cat.pdf
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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS ISO 13738:2011Lubricants, industrial oils andrelated products (class L) Family E (Internal combustionengine oils) Specificationsfor two-stroke-cycle gasolineengine oils (categ
2、ories EGB,EGC and EGD)BS ISO 13738:2011 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 13738:2011. Itsupersedes BS ISO 13738:2000 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee PTI/7, Lubricants and process fluid
3、s.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2011ISBN 978 0 580 69367 0ICS 75.100Compliance with a Briti
4、sh Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 July 2011.Amendments issued since publicationDate Text affectedBS ISO 13738:2011Reference numberISO 13738:2011(E)ISO 2011INTERNATIONAL
5、STANDARD ISO13738Second edition2011-07-01Lubricants, industrial oils and related products (class L) Family E (Internal combustion engine oils) Specifications for two-stroke-cycle gasoline engine oils (categories EGB, EGC and EGD) Lubrifiants, huiles industrielles et produits connexes (classe L) Fami
6、lle E (Huiles pour moteurs combustion interne) Spcifications applicables aux huiles pour moteurs deux-temps essence (catgories EGB, EGC et EGD) BS ISO 13738:2011ISO 13738:2011(E) COPYRIGHT PROTECTED DOCUMENT ISO 2011 All rights reserved. Unless otherwise specified, no part of this publication may be
7、 reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 4
8、1 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2011 All rights reservedBS ISO 13738:2011ISO 13738:2011(E) ISO 2011 All rights reserved iiiForeword ISO (the International Organization for Standardization) is a worldwide federation of natio
9、nal standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. Internati
10、onal organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rul
11、es given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at
12、least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 13738 was prepared by Technical Committee ISO/TC
13、28, Petroleum products and lubricants, Subcommittee SC 4, Classifications and specifications. This second edition cancels and replaces the first edition (ISO 13738:2000), which has been technically revised. BS ISO 13738:2011BS ISO 13738:2011INTERNATIONAL STANDARD ISO 13738:2011(E) ISO 2011 All right
14、s reserved 1Lubricants, industrial oils and related products (class L) Family E (Internal combustion engine oils) Specifications for two-stroke-cycle gasoline engine oils (categories EGB, EGC and EGD) 1 Scope This International Standard specifies the requirements of lubricating oils (hereinafter ref
15、erred to as “two-stroke oils”) to be used in two-stroke-cycle spark-ignition gasoline engines which employ a crankcase scavenging system and are used in transportation, leisure and utility applications, such as motorcycles, snowmobiles and chainsaws. The requirements specified in this International
16、Standard are applicable to the categories of two-stroke oils, EGB, EGC and EGD, covered in ISO 6743-15, which defines the classification of lubricating oils for use in internal combustion engines. NOTE Clause A.4 provides supplementary information regarding outboard motor applications. 2 Normative r
17、eferences The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 3104, Petroleum products Transparen
18、t and opaque liquids Determination of kinematic viscosity and calculation of dynamic viscosity ISO 3987, Petroleum products Determination of sulfated ash in lubricating oils and additives CEC L-079-A-991), Two-stroke gasoline engine detergency test (Honda AS 27 motor scooter engine) JASO M3402), Two
19、-stroke-cycle gasoline engine Engine oils Lubricity test procedure JASO M341, Two-stroke-cycle gasoline engine Engine oils Detergency test procedure JASO M342, Two-stroke-cycle gasoline engine Engine oils Smoke test procedure JASO M343, Two-stroke-cycle gasoline engine Engine oils Exhaust system blo
20、cking test procedure 1) CEC: Coordinating European Council for the development of performance tests for fuels, lubricants and other fluids. 2) JASO: Japanese Automobile Standards Organization of the Japanese Society of Automotive Engineers (JSAE). BS ISO 13738:2011ISO 13738:2011(E) 2 ISO 2011 All ri
21、ghts reserved3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 lubricity ability of a lubricant to minimize friction between, and damage to, metal surfaces in relative motion under load NOTE Lubricity is a qualitative term. 3.2 initial torque i
22、ndex relative average output torque of the reference oil and the candidate oil at 200 C in the lubricity test 3.3 detergency property of an engine oil to prevent and/or remove deposits from the surfaces of an engine resulting in a degree of cleanliness of the interior engine parts with respect to de
23、posits, such as varnish and carbon, originating from the engine oil or the fuel 3.4 exhaust smoke visible emissions which consist of solid particulates and aerosol droplets from unburned or partially burned engine oil and/or fuel and which are emitted from an exhaust pipe 3.5 exhaust system blocking
24、 accumulation of deposits, usually from unburned portions of the engine oil and/or fuel, in an exhaust system consisting of cylinder exhaust port, exhaust pipe and muffler 3.6 reference oil prepared two-stroke oil, of known performance, which is used for comparison to categorize the performance of a
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