BS-5293-2-1996 ISO-1306-1995.pdf
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1、BRITISH STANDARD BS 5293-2: 1996 ISO 1306:1995 Sampling and testing carbon black for use in the rubber industry Part 2: Method for determination of pour density ICS 83.040.20 Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 16:05:05 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5293-2:1996 Thi
2、s British Standard, having been prepared under the direction of the Sector Board for Materials and Chemicals, was published under the authority of the Standards Board and comes into effect on 15 May 1996 BSI 10-1999 First published May 1990 Second edition May 1996 The following BSI references relate
3、 to the work on this standard: Committee reference PRI/53 Draft for comment 94/305026 DC ISBN 0 580 25608 1 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee PRI/53, Carbon black, upon which the following body was represent
4、ed: British Rubber Manufacturers Association Ltd. Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 16:05:05 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5293-2:1996 BSI 10-1999i Contents Page Committees responsibleInside front cover Nat
5、ional forewordii 1Scope1 2Normative reference1 3Principle1 4Apparatus1 5Procedure1 6Expression of results1 7Precision and bias1 8Test report2 List of referencesInside back cover Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 16:05:05 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5293-2:1996
6、ii BSI 10-1999 National foreword This Part of BS 5293 has been prepared by Technical Committee PRI/53 and is identical to ISO 1306:1995 Rubber compounding ingredients Carbon black (pelletized) Determination of pour density, published by the International Organization for Standardization (ISO). It su
7、persedes BS 5293-2:1990 which is withdrawn. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligation
8、s. Cross-reference International StandardCorresponding British Standard ISO 1124:1998BS 5293 Sampling and testing carbon black for use in the rubber industry Part 1:1990 Methods of sampling (Identical) Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pag
9、es 1 and 2, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 16:05:05 GMT+00:00 2006, Un
10、controlled Copy, (c) BSI BS 5293-2:1996 BSI 10-19991 WARNING Persons using this International Standard should be familiar 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 es
11、tablish appropriate safety and health practices and to ensure compliance with any national regulatory conditions. 1 Scope This International Standard specifies a method for determining the pour density of all types of pelletized carbon blacks for use in the rubber industry. 2 Normative reference The
12、 following standard contains provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the edition indicated was valid. All standards are subject to revision, and parties to agreements based on this International Standard are
13、encouraged to investigate the possibility of applying the most recent edition of the standard indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. ISO 1124:1988, Rubber compounding ingredients Carbon black shipment sampling procedures. 3 Principle A
14、measured volume of carbon black is weighed and the pour density calculated. 4 Apparatus 4.1 Cylindrical container, of 1 000 cm3 capacity when filled to the top and of a recommended 100 mm 10 mm diameter, having a uniform height and no pouring lip or deformation of the wall. Other capacities, such as
15、 624 cm3, may be used if it can be shown that the same results are obtained. 4.2 Straightedge or spatula, at least 130 mm in length. 4.3 Balance, accurate to 0,1 g. 5 Procedure Pour the carbon black into the centre of the tared cylindrical container (4.1) from a height of not more than 50 mm above t
16、he rim. Use a large enough excess to form a cone above the mm of the cylindrical container. Level the surface with a single sweep of the straightedge or spatula (4.2) held horizontally, and perpendicular to and in firm contact with the rim of the container. Weigh the container with the carbon black.
17、 Determine the mass of the carbon black to the nearest gram. 6 Expression of results If the specified container is used, the pour density ap, in grams per cubic decimetre (or kilograms per cubic metre) is numerically equal to the mass, in grams, of the carbon black. Alternatively, the pour density a
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