1. Introduction  
2. z-GAL Sample  
2.1. Data Reduction  
2.2. Continuum Flux Densities of the z-GAL Sample  
3. Modeling the Optically Thin Dust Emission  
3.1. Optically Thin Modified Blackbody  
3.2. SED Fitting and Parameter Estimation  
4. z-GAL Optically Thin Dust Properties  
4.1. Results and Quality of Data  
5. Exploring the General Modified Blackbody Model  
5.1. SED Fitting and Parameter Estimation with GMBB  
5.2. z-GAL Dust Properties Using the GMBB  
6. Discussion  
6.1. Dust Masses and Far-Infrared Luminosities  
6.2. Dust Emissivity Index $\beta$  
6.3. Dust Temperature $T_{\mathrm{dust}}$  
6.4. $\beta-T_{\mathrm{dust}}$ Relation  
7. Summary and Conclusions