{"aspect_id":"AS108","aspect_name":"thermal-conductivity","aspect_reference":"https://si-digital-framework.org/quantities/TCON","aspect_symbol":null,"name":"thermal-conductivity British thermal unit (th) foot per hour square foot degree Fahrenheit","scale_id":"SC937","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":null,"unit_id":"UN978","unit_name":"British thermal unit (th) foot per hour square foot degree Fahrenheit","unit_reference":"https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8#B","unit_symbol":"Btu_{th}.ft.(h.ft2.\u00b0F)-1"}