刚玉晶体结构型氧化铬有高的着色力、高热稳定性及耐化学腐蚀等特点。
Chromium oxide green with corundum crystal structure has such characteristics as high thermal stability, high painted capacity, chemical corrosion-resisting capacity, etc.
你有什么规格的红刚玉?。
黑色，有光泽，硬度比白刚玉高，韧性较低。
Black colour, its hardness is higher than that of WA, its toughness is a bit lower.
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