ASTM D4218 - 20
Standard Test Method for Determination of Carbon Black Content in Polyethylene Compounds by the Muffle-Furnace Technique
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Significance and Use
5.1 This test method is capable of yielding duplicate test data, in 20 min or less, for a simple carbon black content determination.
5.2 This test method is suitable for manufacturing quality control, technical service, and research work.
5.3 For referee requirements, the number of replicate measurements is increased. Alternatively, a control sample of known carbon black content is tested with the unknown sample.
5.4 Test Method D1603 is available for referee testing.
1. Scope
1.1 This test method covers the determination of black polyethylene compounds containing channel or furnace black. It is not applicable to thermal black.
1.2 This test method is not suitable for plastics that char on pyrolysis.
1.3 The values stated in SI units are to be regarded as the standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Section 7.
Note 1: There is no known ISO equivalent to this standard.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
D883 Terminology Relating to Plastics
D1603 Test Method for Carbon Black Content in Olefin Plastics
D2741 Test Method for Susceptibility of Polyethylene Bottles to Soot Accumulation
E456 Terminology Relating to Quality and Statistics
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
E2935 Practice for Conducting Equivalence Testing in Laboratory Applications
ICS Code
ICS Number Code 83.080.20 (Thermoplastic materials)
UNSPSC Code
UNSPSC Code 13111016(Polyethylene)
Referencing This Standard
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DOI: 10.1520/D4218-20
Citation Format
ASTM D4218-20, Standard Test Method for Determination of Carbon Black Content in Polyethylene Compounds by the Muffle-Furnace Technique, ASTM International, West Conshohocken, PA, 2020, www.astm.org
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