{
  "Tmax": 300.0, 
  "Tmin": 255.0, 
  "TminPsat": 300.0, 
  "conductivity": {
    "coeffs": [
      0.11390909090910797, 
      0.0013430303030301824, 
      2.1567282598980918e-19
    ], 
    "type": "polynomial"
  }, 
  "density": {
    "coeffs": [
      1105.2186013981145, 
      0.49151515152027825, 
      -0.0011118881119061119, 
      -4.6620046617940807e-07
    ], 
    "type": "polynomial"
  }, 
  "description": "Aspen Temper -20", 
  "name": "AS20", 
  "reference": "", 
  "saturation_pressure": {
    "coeffs": [
      -5000.0, 
      30.0, 
      -10.0
    ], 
    "type": "polynomial"
  }, 
  "specific_heat": {
    "coeffs": [
      1521.8579020963482, 
      10.060303030319572, 
      -0.014137529137587822, 
      2.3310023310716246e-06
    ], 
    "type": "polynomial"
  }, 
  "viscosity": {
    "coeffs": [
      483.19746154346143, 
      -158.6370842804533, 
      9.904181767023568
    ], 
    "type": "polynomial"
  }
}