{
  "Tmax": 300.0, 
  "Tmin": 235.0, 
  "TminPsat": 300.0, 
  "conductivity": {
    "coeffs": [
      0.13896631868131493, 
      0.0011308846153846438, 
      -6.043956043960967e-08
    ], 
    "type": "polynomial"
  }, 
  "density": {
    "coeffs": [
      883.5597226303987, 
      4.09941764118134, 
      -0.015309807839215813, 
      1.7359111476753797e-05
    ], 
    "type": "polynomial"
  }, 
  "description": "Aspen Temper -40", 
  "name": "AS40", 
  "reference": "", 
  "saturation_pressure": {
    "coeffs": [
      -5000.0, 
      30.0, 
      -10.0
    ], 
    "type": "polynomial"
  }, 
  "specific_heat": {
    "coeffs": [
      -512.4135423401585, 
      23.18429971988968, 
      -0.03776793794441541, 
      -1.206636500744982e-06
    ], 
    "type": "polynomial"
  }, 
  "viscosity": {
    "coeffs": [
      474.0345657690785, 
      -160.8105639474431, 
      9.498256779612685
    ], 
    "type": "polynomial"
  }
}