In this study, the glass system of (55-x)SiO2- 5,10,15,20 and 25 wt% were investigated by using WinXCom database. Radiation shielding characteristics of linear attenuation coefficient (LAC), mass attenuation coefficient (MAC), half-value layer (HVL) and mean free path (MFP) parameters of 6 different glass systems were calculated in the photon energy range of 0.015-10 MeV. A comparison for HVL values between heavyweight concrete materials & commercial glasses and our findings was also carried out. Furthermore, some important glass property estimations and viscositytemperature curve predictions were performed with the use of BatchMaker software. According to the WinXCom calculations, it was found out that LAC and MAC values increased while HVL and MFP values decreased with the increasing ZnO content. Particularly, 25 wt% of ZnO (sample-5) addition ensured to obtain by far the best radiation shielding characteristics at higher photon energies. As a result of the comparison, it was strikingly seen that our glass samples have promising results when compared with heavyweight concrete materials and commercial products. Interestingly, sample-5 can compete even with RS 323 G18 (33 wt% PbO content) in higher photon energies despite its low-density value. Moreover, it was determined that our glass systems were found to have glass formation ability with satisfactory glass properties according to BatchMaker estimate calculations.