Title: filler
Long Title: IUPAC Gold Book - filler
DOI: 10.1351/goldbook.F02363
Status: current

Definition
Filler (also called grist) is a petroleum- or coal-based coke fraction of a green, carbon mix or formulation. Coarse particles, \(>0.425\ \mathrm{mm}\), are sometimes referred to as tailings; fine particles, \(

Related Terms
- Graphite: https://goldbook.iupac.org//terms/view/G02684
- carbon mix: https://goldbook.iupac.org//terms/view/C00842
- coke: https://goldbook.iupac.org//terms/view/C01142

Source
- PAC, 1995, 67, 473. 'Recommended terminology for the description of carbon as a solid (IUPAC Recommendations 1995)' on page 489 (https://doi.org/10.1351/pac199567030473)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/F02363/html
- json: https://goldbook.iupac.org/terms/view/F02363/json
- xml: https://goldbook.iupac.org/terms/view/F02363/xml

Citation: Citation: 'filler' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.F02363
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Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.
Accessed: 2026-04-18T10:21:55+00:00