**4. Conclusions**

This work aimed to develop an ENS based on glass packaging waste, quartz dust, and epoxy resin (ENS-15 and ENS-20) through vacuum vibration and compression, as well as to determine its physical and mechanical properties.

From the experimental results obtained in this study, the following conclusions can be drawn:


**Author Contributions:** Conceptualization, C.M.F.V. and E.A.S.C.; methodology, G.N.S.B., C.M.F.V., and E.A.S.C.; Validation, G.N.S.B., V.d.S.d.S., M.L.P.M.G., and E.A.S.C.; investigation, G.N.S.B. and V.d.S.d.S.; data curation, G.N.S.B.; writing—original draft preparation, G.N.S.B.; writing—review and editing, G.N.S.B., V.d.S.d.S., and E.A.S.C.; supervision, E.A.S.C. and A.R.G.d.A.; project administration, S.N.M. and C.M.F.V. funding acquisition, S.N.M., A.R.G.d.A., and C.M.F.V. All authors have read and agreed to the published version of the manuscript.

**Funding:** This research was funded by FAPERJ (Grant Number: E-26/200.847/2021) and CNPQ (Grant Number: 301634/2018-1). The participation of A.R.G.A. was sponsored by FAPERJ through the research fellowships Proc. Nos.: E-26/210.150/2019, E-26/211.194/2021, E-26/211.293/2021, and an-dE-26/201.310/2021, and by CNPq through the research fellowship PQ2 307592/2021-9.

**Institutional Review Board Statement:** Not applicable.

**Informed Consent Statement:** Not applicable.

**Data Availability Statement:** Not applicable.

**Conflicts of Interest:** The authors declare no conflict of interest.
