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Description of ASTM-D2233 1997ASTM D2233-86-Reapproved1997Withdrawn Standard: Standard Specification for Chlorinated Aromatic Hydrocarbons (Askarels) for Capacitors (Withdrawn 2003)ASTM D2233Scope 1.1 This specification covers synthetic nonflammable electrical insulating liquids of the chlorinated aromatic hydrocarbon type known as askarels, which are used as an electrical insulating and cooling medium in capacitors. This specification includes liquids that were previously available and are still in use in apparatus. 1.2 Insulation systems incorporating these askarels and cellulosic or other organic materials may, when arced, produce gaseous mixtures that are moderately flammable. 1.3 Askarels covered by this specification are of four types as follows: 1.3.1 Type A- Biphenyl that has been chlorinated to a content of 42 weight%. 1.3.2 Type B -Biphenyl that has been chlorinated to a chlorine content of 54 weight%. 1.3.3 Type C- A mixture of approximately 75% Type D2233 B and 25% trichlorobenzene. 1.3.4 Type D- The same as Type A, except that the higher boiling homologs have been removed to a maximum level of 0.4%. Note 1-These statements are merely descriptions of the materials currently in common use and are not intended as part of this specification, which is based on the physical and chemical properties prescribed in Table 1. Note 2-Current governmental regulations prohibit the manufacture and sale of polychlorinated biphenyls (askarels). This method is being maintained for reference of those units that are still in service. Note 3-For information on PCB's in mineral oils, refer to Method D4059.Keywords Electrical insulating liquids-askarels; askarels (chlorinated aromatic hydrocarbons)-capacitors, spec ICS Code ICS Number Code 29.040.10 (Insulating oils) DOI: 10.1520/D2233-86R97 This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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