ISO-1126-2006.pdf
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1、 Reference number ISO 1126:2006(E) ISO 2006 INTERNATIONAL STANDARD ISO 1126 Fourth edition 2006-03-01 Rubber compounding ingredients Carbon black Determination of loss on heating Ingrdients de mlange du caoutchouc Noir de carbone Dtermination de la perte la chaleur Copyright International Organizati
2、on for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 01:50:34 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 1126:2006(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with A
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5、are has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO 2006 All rights reserved. Unless otherwise specified, no part of this publication m
6、ay be 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
7、. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2006 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 01:50:34
8、 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 1126:2006(E) ISO 2006 All rights reserved iii Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing Internation
9、al 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. International organizations, governmental and non-governmental, in liaison with ISO,
10、 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 rules given in the ISO/IEC Directives, Part 2. The main task of technical comm
11、ittees 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 least 75 % of the member bodies casting a vote. Attention is drawn to the p
12、ossibility 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 1126 was prepared by Technical Committee ISO/TC 45, Rubber and rubber products, Subcommittee SC 3, Raw materials (including
13、latex) for use in the rubber industry. This fourth edition cancels and replaces the third (ISO 1126:1992). Two additional methods have been included: a moisture balance method and an infrared irradiation method. Copyright International Organization for Standardization Provided by IHS under license w
14、ith ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 01:50:34 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007
15、 01:50:34 MDTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD ISO 1126:2006(E) ISO 2006 All rights reserved 1 Rubber compounding ingredients Carbon black Determination of loss on heating WARNING Persons using this International Standard should be familiar
16、 with normal laboratory practice. This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user to establish appropriate safety and health practices and to ensure compliance with any national regulatory conditions. 1 Scope
17、 This International Standard specifies methods for determining the loss on heating of carbon black for use in the rubber industry. This loss on heating is due primarily to loss of moisture, but traces of other volatile materials may also be lost. These methods are not applicable to treated carbon bl
18、acks which contain added volatile materials. One of the following three methods is used: method 1: gravity-convection oven method; method 2: moisture balance method; method 3: infrared irradiation method (rapid method). Note that method 1 is considered as the reference method. Apparatus equivalent t
19、o that specified may be used provided the same results are obtained. 2 Method 1: Gravity-convection oven method 2.1 Principle A test portion of carbon black is heated for 1 h at a temperature 125 C in a weighing bottle. The weighing bottle plus contents is allowed to cool in a desiccator to room tem
20、perature and weighed, and the percentage loss on heating calculated. 2.2 Apparatus 2.2.1 Oven, gravity-convection type, the temperature of which can be regulated to within 1 C at 125 C and the temperature uniformity of which is 5 C or better. 2.2.2 Weighing bottle, squat-form, 30 mm in height and 60
21、 mm in diameter, fitted with a ground-glass stopper. When larger samples are required for other tests, use an open vessel of dimensions such that the depth of the black is not greater than 10 mm during conditioning. 2.2.3 Analytical balance, accurate to 0,1 mg. Copyright International Organization f
22、or Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 01:50:34 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 1126:2006(E) 2 ISO 2006 All rights reserved 2.2.4 Desiccator. 2.3 Procedure 2.3.1 Precautions 2.3.
23、1.1 Take the sample of carbon black in a tightly stoppered glass bottle or friction-top can. Allow the closed container to reach ambient temperature before starting the test. 2.3.1.2 To prevent loss of carbon black due to air currents, keep the weighing bottle stoppered when transferring to and from
24、 the desiccator. 2.3.2 Determination 2.3.2.1 Dry the weighing bottle (2.2.2) and the stopper, with the stopper removed, for 30 min in the oven (2.2.1) set at 125 C. Then place the bottle and the stopper in the desiccator (2.2.4) and allow to cool to room temperature. Weigh the bottle with stopper to
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