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Glass Furnace Sidewall Refractory Raw Material High Purity Chromium Oxide Green Powder. High Purity Chromium Oxide Powder: Excellent thermal stability, corrosion resistance and refractoriness. Ideal for Glass Furnace Sidewalls: Enhances lining durability and service life under high-temperature conditions. Specialized Chromium Oxide Green Manufacturer: 30 years focused on Cr2O3 production with automated dust-free workshops. Stable Refractory Grade Quality: Strict quality control ensures consistent purity and reliable high-temperature performance. Large Capacity & Global Supply: 30-40 tons daily output with stable exports to Europe, Japan, and Southeast Asia.