Silicon Nitride Ceramic Tube and Ceramic Rod Products ...
2021-5-22 · OMEGATITE 650® Protection Tube -- PTRS from OMEGA Engineering, Inc.. OMEGATITE ®650 is an alloy of silicon nitride and aluminum oxide. This superior refractory material has the combined properties of silicon nitride (high strength, hardness, fracture toughness, and low thermal expansion) and aluminum oxide (corrosion resistance, chemically inert, high temperature...
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