Bulk Process

{
  "id": "MLC-T-ENV-003803",
  "term": "Bulk Process",
  "field": "Environment",
  "definition": "Process for producing polyvinyl chloride resin that is characterized by a two-step anhydrous polymerization process: the formation of small resin particles in a pre-polymerization reactor using small amounts of vinyl chloride monomer, an initiator, and agitation; and the growth of the resin particles in a post-polymerization reactor using additional vinyl chloride monomer. Resins produced using the bulk process are referred to as bulk resins.",
  "references": [
    "40 CFR 63.12005 (CFR 2013)"
  ],
  "url": "https://mlchart.com/terminology/environment/bulk-process/"
}