SO4

SO4 is a ceramic material based on sulfate chemistry, likely a calcium sulfate or similar sulfate-based ceramic compound. This class of materials is traditionally used in construction, medical, and industrial applications where moderate mechanical strength combined with biocompatibility or chemical stability is valued. SO4 ceramics are chosen for applications requiring good dimensional stability, low toxicity, and ease of processing, though they are generally less hard and wear-resistant than oxide ceramics, making them suitable for non-structural or semi-structural roles rather than extreme-duty environments.