Sealer

{
  "id": "MLC-T-ENV-024942",
  "term": "Sealer",
  "field": "Environment",
  "definition": "1. Coating formulated and recommended for application to a substrate for one or more of the following purposes: to prevent subsequent coatings from being absorbed by the substrate; to prevent harm to subsequent coatings by materials in the substrate; to block stains, odors, or efflorescence; to seal fire, smoke, or water damage; or to condition chalky surfaces.\n\n2. Finishing material used to seal the pores of a wood substrate before additional coats of finishing material are applied. Special purpose finishing materials that are used in some finishing systems to optimize aesthetics are not sealers.",
  "references": [
    "40 CFR 59.401 (CFR 2013)",
    "40 CFR 63.801 (CFR 2013)"
  ],
  "url": "https://mlchart.com/terminology/environment/sealer/"
}