{
  "category": "Abrasives",
  "vertical": "industrial-mro",
  "source": "https://getclaro.ai/resources/attribute-library/industrial-mro/abrasives/",
  "status": "editorial-draft",
  "note": "Editorial reference template. Example values show format only and do not describe a real SKU. Not an official ETIM or ECLASS class.",
  "groups": [
    {
      "key": "identity",
      "name": "Identity",
      "check": "Preserve leading zeros and punctuation, validate against the manufacturer record, and check the GTIN check digit and packaging level before linking."
    },
    {
      "key": "technical",
      "name": "Technical specifications",
      "check": "Store the number and unit separately. Convert only when the source unit and test conditions are known."
    },
    {
      "key": "selection",
      "name": "Selection attributes",
      "check": "Map supplier wording to a governed vocabulary only after checking the source text and which variant it applies to."
    },
    {
      "key": "fit",
      "name": "Fit & compatibility",
      "check": "Keep model and series qualifiers. A similar-looking part is not a verified fit until a source says so."
    },
    {
      "key": "evidence",
      "name": "Evidence & compliance",
      "check": "Link the manufacturer document or label with its edition or date. Never copy a certification from a neighboring SKU."
    }
  ],
  "fields": [
    {
      "key": "abrasive_product_type",
      "label": "Abrasive Product Type",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Flap disc"
    },
    {
      "key": "abrasive_grain_mineral",
      "label": "Abrasive Grain / Mineral",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Zirconia alumina"
    },
    {
      "key": "grit_size",
      "label": "Grit Size",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "P80"
    },
    {
      "key": "diameter",
      "label": "Diameter",
      "group": "technical",
      "priority": "core",
      "value_type": "number",
      "unit": "in",
      "example_format": "4-1/2 in (115 mm)"
    },
    {
      "key": "thickness",
      "label": "Thickness",
      "group": "technical",
      "priority": "core",
      "value_type": "number",
      "unit": "in",
      "example_format": "0.045 in (1.2 mm), cut-off wheel"
    },
    {
      "key": "arbor_hole_mount_thread",
      "label": "Arbor Hole / Mount Thread",
      "group": "fit",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "7/8 in (22.23 mm)"
    },
    {
      "key": "maximum_operating_speed",
      "label": "Maximum Operating Speed",
      "group": "technical",
      "priority": "core",
      "value_type": "number",
      "unit": "rpm",
      "example_format": "13,300 rpm"
    },
    {
      "key": "wheel_type_number",
      "label": "Wheel Type Number",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Type 27"
    },
    {
      "key": "manufacturer_part_number",
      "label": "Manufacturer Part Number",
      "group": "identity",
      "priority": "core",
      "value_type": "identifier",
      "unit": null,
      "example_format": "ABR-FD45-Z080"
    },
    {
      "key": "backing_substrate",
      "label": "Backing / Substrate",
      "group": "selection",
      "priority": "differentiating",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Vulcanized fiber"
    },
    {
      "key": "attachment_mount_type",
      "label": "Attachment / Mount Type",
      "group": "fit",
      "priority": "differentiating",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Quick-change twist-on hub, 2 in disc"
    },
    {
      "key": "bonded_wheel_spec_code",
      "label": "Bonded Wheel Spec Code",
      "group": "identity",
      "priority": "differentiating",
      "value_type": "identifier",
      "unit": null,
      "example_format": "A36-N-BF"
    },
    {
      "key": "workpiece_material",
      "label": "Workpiece Material",
      "group": "selection",
      "priority": "differentiating",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Stainless steel (304/316)"
    },
    {
      "key": "pack_quantity",
      "label": "Pack Quantity",
      "group": "identity",
      "priority": "core",
      "value_type": "number",
      "unit": null,
      "example_format": "10 per box"
    },
    {
      "key": "contaminant_free_fe_s_cl",
      "label": "Contaminant-Free Claim (Fe/S/Cl)",
      "group": "selection",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Yes, Fe, S and Cl each 0.1% max (manufacturer declaration)"
    },
    {
      "key": "safety_standard_conformance",
      "label": "Safety Standard Conformance",
      "group": "evidence",
      "priority": "channel",
      "value_type": "text",
      "unit": null,
      "example_format": "EN 12413; oSa marked"
    },
    {
      "key": "country_of_origin",
      "label": "Country of Origin",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Germany"
    },
    {
      "key": "gtin_13_upc",
      "label": "GTIN-13 / UPC",
      "group": "identity",
      "priority": "channel",
      "value_type": "identifier",
      "unit": null,
      "example_format": "0614141000029"
    }
  ],
  "evidence_columns": [
    "raw_value",
    "normalized_value",
    "source_uri",
    "source_page_or_row",
    "confidence",
    "review_state",
    "last_verified"
  ],
  "normalization_examples": [
    {
      "attribute": "Grit Size",
      "variants": [
        "P80",
        "P 80",
        "P-80",
        "K80",
        "Grit P80",
        "80 (FEPA P)"
      ],
      "normalized": "P80 (FEPA P)"
    },
    {
      "attribute": "Arbor Hole / Mount Thread",
      "variants": [
        "7/8",
        "7/8 in.",
        "0.875\"",
        "22.23mm",
        "22mm",
        "7/8\" Arbor"
      ],
      "normalized": "7/8 in (22.23 mm) plain hole"
    },
    {
      "attribute": "Abrasive Grain",
      "variants": [
        "Zirc",
        "Zirconia",
        "Alumina Zirconia",
        "ZA",
        "AZ",
        "Zirconia Alumina"
      ],
      "normalized": "Zirconia alumina"
    }
  ]
}