{
  "name": "KARN CMS flake viscosity ranges",
  "publisher": "Hangzhou KARN New Building Materials Co., Ltd.",
  "dateModified": "2026-07-22",
  "metadataModified": "2026-07-29",
  "scope": "K5 K6 and K9 flake form only",
  "unit": "mPa s",
  "testMethod": {
    "solutionConcentrationPercent": 5,
    "instrument": "NDJ-8 rotational viscometer",
    "spindleNumber": 4,
    "speedRPerMin": 6,
    "rangeTolerancePercent": 10
  },
  "grades": [
    {
      "grade": "K5",
      "rawMaterial": "Tapioca CMS",
      "degreeOfSubstitution": 0.3,
      "productForm": "flake",
      "sourceTdsUrl": "https://karncms.cn/documents/KARN-K5-TDS-bilingual.pdf",
      "nominalViscosity": 24000,
      "minimumViscosity": 21600,
      "maximumViscosity": 26400
    },
    {
      "grade": "K6",
      "rawMaterial": "Tapioca CMS",
      "degreeOfSubstitution": 0.4,
      "productForm": "flake",
      "sourceTdsUrl": "https://karncms.cn/documents/KARN-K6-TDS-bilingual.pdf",
      "nominalViscosity": 34000,
      "minimumViscosity": 30600,
      "maximumViscosity": 37400
    },
    {
      "grade": "K9",
      "rawMaterial": "Potato CMS",
      "degreeOfSubstitution": 0.4,
      "productForm": "flake",
      "sourceTdsUrl": "https://karncms.cn/documents/KARN-K9-TDS-bilingual.pdf",
      "nominalViscosity": 42000,
      "minimumViscosity": 37800,
      "maximumViscosity": 46200
    }
  ],
  "limitations": [
    "Does not define powder specifications",
    "Does not validate test preparation",
    "Does not validate batch identity",
    "Does not confirm textile printing suitability"
  ],
  "sourceDocuments": [
    "https://karncms.cn/documents/KARN-K5-TDS-bilingual.pdf",
    "https://karncms.cn/documents/KARN-K6-TDS-bilingual.pdf",
    "https://karncms.cn/documents/KARN-K9-TDS-bilingual.pdf"
  ],
  "methodUrl": "https://karncms.cn/en/technical-center/cms-flake-viscosity-method/"
}