Extender

{
  "id": "MLC-T-CHM-004261",
  "term": "Extender",
  "field": "Chemistry",
  "definition": "A substance added to a polymer formulation to reduce its cost, improve certain properties, or increase its bulk. Extenders are typically low-cost, inert materials that do not react chemically with the polymer matrix. Common examples include calcium carbonate, talc, and clay, which can also modify rheological behavior.",
  "subject": "Polymer",
  "references": [
    "PAC, 2004, 76, 1985. 'Definition of terms related to polymer blends, composites, and multiphase polymeric materials (IUPAC Recommendations 2004)' on page 1995 (https://doi.org/10.1351/pac200476111985)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/extender/"
}