Characteristics of Automotive Glass Waste-Containing Gypsum Bodies Made from Used Plaster Mould

Abstract:

This work focuses on characterization of gypsum building materials based on used plaster mould and automotive safety glass waste. The used plaster mould was another source of relatively high purity calcium sulfate. Meanwhile, automotive print-screened glass waste derived from glass machining processes and sedimented as a lump of glass powder was rich in silica. The used mould was ground and calcined in order to convert gypsum dihydrate into hemihydrate while the glass lump was dried and become loose cullet powder. The waste materials were thoroughly mixed and cast into blocks, using used plaster mould. Various glass waste contents from 0, 5, 10, 15 to 20 %wt were employed as a filler. Chemical compositions of the mix were carefully characterized. Phase content microstructural features were also determined. Development in compressive strength as well as water resistance were investigated. The experimental works showed that the addition of the glass waste in the used plaster mould containing gypsum bodies could comparatively improve both strength and water insolubility.

• Periodical: Key Engineering Materials (Volume 608)
• Pages: 91-96
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.608.91
• Online since: April 2014
• Authors: Kanyakan Tounchuen, Wantanee Buggakupta*, Withaya Panpa
• Keywords: Glass Cullet, Used Plaster Mould, Waste-Based Gypsum

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