{
  "scales": [
    {
      "prefix": null,
      "system_dimensions": {
        "id": "DI46",
        "exponents": "[0,-1,3,0,1,0,0]",
        "formal_system": {
          "id": "SY1"
        }
      },
      "root_scale": null,
      "unit": "UN1212",
      "aspects": [
        "AS131"
      ],
      "conversions": [
        {
          "src_scale_id": "SC1169",
          "dst_scale_id": "SC988",
          "aspect_id": "AS131"
        },
        {
          "src_scale_id": "SC1169",
          "dst_scale_id": "SC998",
          "aspect_id": "AS131"
        },
        {
          "src_scale_id": "SC1169",
          "dst_scale_id": "SC999",
          "aspect_id": "AS131"
        }
      ],
      "casts": [],
      "id": "SC1169",
      "ml_name": "ra_si_kg-1.s3.K",
      "scale_type": "ratio",
      "is_systematic": true,
      "is_special": null,
      "ref_point": null,
      "ref_point_l": null,
      "ref_point_h": null
    },
    {
      "prefix": null,
      "system_dimensions": null,
      "root_scale": null,
      "unit": "UN1029",
      "aspects": [
        "AS131"
      ],
      "conversions": [
        {
          "src_scale_id": "SC988",
          "dst_scale_id": "SC1169",
          "aspect_id": "AS131"
        },
        {
          "src_scale_id": "SC988",
          "dst_scale_id": "SC1170",
          "aspect_id": "AS131"
        }
      ],
      "casts": [],
      "id": "SC988",
      "ml_name": "ra_ip_clo",
      "scale_type": "ratio",
      "is_systematic": null,
      "is_special": null,
      "ref_point": null,
      "ref_point_l": null,
      "ref_point_h": null
    },
    {
      "prefix": null,
      "system_dimensions": null,
      "root_scale": null,
      "unit": "UN1039",
      "aspects": [
        "AS131"
      ],
      "conversions": [
        {
          "src_scale_id": "SC998",
          "dst_scale_id": "SC1169",
          "aspect_id": "AS131"
        },
        {
          "src_scale_id": "SC998",
          "dst_scale_id": "SC1170",
          "aspect_id": "AS131"
        }
      ],
      "casts": [],
      "id": "SC998",
      "ml_name": "ra_ip_deg_F.h.ft2.Btu_{IT}-1",
      "scale_type": "ratio",
      "is_systematic": null,
      "is_special": null,
      "ref_point": null,
      "ref_point_l": null,
      "ref_point_h": null
    },
    {
      "prefix": null,
      "system_dimensions": null,
      "root_scale": null,
      "unit": "UN1040",
      "aspects": [
        "AS131"
      ],
      "conversions": [
        {
          "src_scale_id": "SC999",
          "dst_scale_id": "SC1169",
          "aspect_id": "AS131"
        },
        {
          "src_scale_id": "SC999",
          "dst_scale_id": "SC1170",
          "aspect_id": "AS131"
        }
      ],
      "casts": [],
      "id": "SC999",
      "ml_name": "ra_ip_deg_F.h.ft2.Btu_{th}-1",
      "scale_type": "ratio",
      "is_systematic": null,
      "is_special": null,
      "ref_point": null,
      "ref_point_l": null,
      "ref_point_h": null
    },
    {
      "prefix": null,
      "system_dimensions": {
        "id": "DI46",
        "exponents": "[0,-1,3,0,1,0,0]",
        "formal_system": {
          "id": "SY1"
        }
      },
      "root_scale": null,
      "unit": "UN1211",
      "aspects": [
        "AS131"
      ],
      "conversions": [
        {
          "src_scale_id": "SC1170",
          "dst_scale_id": "SC988",
          "aspect_id": "AS131"
        },
        {
          "src_scale_id": "SC1170",
          "dst_scale_id": "SC998",
          "aspect_id": "AS131"
        },
        {
          "src_scale_id": "SC1170",
          "dst_scale_id": "SC999",
          "aspect_id": "AS131"
        }
      ],
      "casts": [],
      "id": "SC1170",
      "ml_name": "ra_si_m2.K.W-1",
      "scale_type": "ratio",
      "is_systematic": false,
      "is_special": null,
      "ref_point": null,
      "ref_point_l": null,
      "ref_point_h": null
    }
  ],
  "id": "AS131",
  "name": "thermal-insulance",
  "ml_name": "as_thermal_insulance",
  "symbol": null,
  "reference": "NIST SP-811"
}