ASTM-D_能源/化工_工程科技_专业资料。Designation: D – 03 Standard Classi?cation System for Carbon Blacks Used in Rubber. ASTM D Standard Classification System for Carbon Blacks Used in Rubber Products. Find the most up-to-date version of ASTM D at Engineering
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The surface area range of the carbon blacks has been divided into ten aastm groups, and each has been assigned a digit to describe that group. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. See also Terminology D The last two characters are assigned arbitrarily. A large volume kg lb of this carbon black was prepared since it is used daily as a standard reference material by carbon black producers.
Some commonly used names are:. Procedures for Classifying a New Carbon Black 5. The carbon black has an iodine number of It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Start Webshop Product catalog Product presentation. As the voice of the U.
ASTM D – Standard Classification System for Carbon Blacks Used in Rubber Products
These table values may change slightly when the sample results taken over a longer period are pooled. The use of inactive or unassigned N or S designations is prohibited until such a time as the designation is officially reactivated or assigned by Subcommittee D The benefits of a subscription: If you need to be able to add standards to the monitoring service, adtm must register as a user with your own username and password.
Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Before the ASTM nomenclature was introduced, people used to and still do designate blacks after their application type.
The great variety of blacks requires a classification, in order to realize a possible interchangeability between the different suppliers.
This service is not available if astj are a URL user where you do not log in with an email address. The requestor of a new standard grade may pursue a revision of the table values by letter ballot during the? This standard is not included in any packages. Subscription pricing is determined by: Link to Active This link will always route to the current Active version of the standard.
The last two characters are assigned arbitrarily. Already Subscribed to this document. The type of black that suits best to a particular rubber depends on the one hand on the application and on the other hand also on the intrinsic plasticity of the type of rubber. No other units of measurement are included in this standard. Originally approved in Webprint Printed and bound. ashm
Changes to the table after the? In general, Test Method D can be used to estimate the surface area of furnace blacks but no channel, oxidized c1765 thermal blacks. Consequently, any grade of carbon black produced at target values may deviate from the documented typical value. This standard is not included in any packages. Proceed to Checkout Continue Shopping.
Need more than one copy? The values given in parentheses are for information only. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server.
Channel blacks characteristically impart a slower rate of cure to rubber compounds. Monitoring Standards monitoring is a free service designed for you who wish to be alerted of changes to or new editions of the standards required in your work.
The first character gives some indication of the influence of the carbon black on the rate of cure of a typical rubber compound containing the black.
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Standard Classification System for Carbon Blacks Used in Rubber Products
The values given in parentheses are for information only. Typical Properties of Carbon Blacks 4. Need more than one copy? Subscription pricing is determined by: If you feel that your comments have not received a fair hearing you should make sstm views known to the ASTM Committee on Standards, at the address shown below. Some commonly used names are: Active view current version of standard.
This spans a period of 20 years.
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If the document is revised or amended, you will be notified by email. The following two digits were chosen randomly and do not have a specific meaning. Such an addition is likely to produce spurious results due to additive errors. The second character gives information on the average surface area of the carbon black.