{
  "url": "https://openlegislation.uk/plastic-materials-and-articles-in-contact-with-food-wales-regulations-2006/schedule-3/part-2/paragraph-4",
  "json_url": "https://openlegislation.uk/plastic-materials-and-articles-in-contact-with-food-wales-regulations-2006/schedule-3/part-2/paragraph-4.json",
  "legislation": "wsi/2006/2982",
  "legislation_title": "The Plastic Materials and Articles in Contact with Food (Wales) Regulations 2006",
  "legislation_url": "https://openlegislation.uk/plastic-materials-and-articles-in-contact-with-food-wales-regulations-2006",
  "path": "schedule/3/part/2/paragraph/4",
  "kind": "paragraph",
  "number": "4",
  "heading": null,
  "text": "The fatty food simulants referred to in the Table are—\n(a) corn oil with standardised specifications;\n(b) sunflower oil, the characteristics of which are —\n(c) Iodine value (Wijs) = 120 to 145\n(d) Refractive index at 20°C = 1.474 to 1.476\n(e) Saponification number = 188 to 193\n(f) Relative density at 20°C = 0.918 to 0.925\n(g) Unsaponifiable matter = 0.5% to 1.5%.\n(h) a synthetic mixture of triglycerides the composition of which is as set out in the following tables\nFatty acid distribution\nNo of C-atoms in fatty acid residue\n6\n8\n10\n12\n14\n16\n18\nOthers\nGLC area (%)\n~1\n6—9\n8—11\n45—52\n12—15\n8—10\n8—12\n1\nPurity\nContent of monoglycerides (enzymatically)\n<0.2%\nContent of diglycerides (enzymatically)\n<2.0%\nUnsaponifiable matter\n<0.2%\nIodine value(Wijs)\n<0.1%\nAcid value\n<0.1%\nWater content (K Fischer)\n<0.1%\nMelting point\n28 ± 2°C\nTypical absorption spectrum (thickness of layer: d = 1 cm; Reference: water at 35°C)\nWavelength (nm)\n290\n310\n330\n350\n370\n390\n430\n470\n510\nTransmittance (%)\n~2\n~15\n~37\n~64\n~80\n~88\n~95\n~97\n~98\nAt least 10% light transmittance at 310 nm (cell of 1 cm, reference: water at 35°C)",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/wsi/2006/2982/schedule/3/part/2/paragraph/4",
    "retrieved_at": "2026-10-29T00:02:31.922955+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}