Oxygen-resistant refractory materials
Overview
Oxygen-resistant refractory materials are engineered ceramics and composites that maintain structural integrity in high-temperature oxidative environments exceeding 1,500°C. Developed primarily for metallurgical and industrial thermal processes, these materials form protective oxide layers that prevent further oxygen penetration, unlike conventional refractories that degrade rapidly under such conditions. Compositions typically include alumina (Al₂O₃), zirconia (ZrO₂), silicon carbide (SiC), or chromium oxide (Cr₂O₃) as primary components, often combined with stabilizers like yttria or magnesia. The selection depends on the specific temperature range, mechanical stress, and chemical exposure requirements of the application.
Physical and Chemical Properties
These materials exhibit exceptional density (often >90% theoretical) to minimize oxygen diffusion, with thermal conductivity ranging from 1-20 W/m·K depending on porosity and composition. Their coefficient of thermal expansion (CTE) is carefully engineered (typically 5-10 ×10⁻⁶/°C) to match adjacent components and prevent spalling. Key chemical properties include redox stability, where materials like SiC form protective silica layers when oxidized, and corrosion resistance against molten slags or alkaline vapors. Electrical resistivity varies from insulating (alumina-based) to semi-conductive (silicon carbide types), enabling specialized applications like electric furnace linings.
Main Applications
In steelmaking, these materials line oxygen converters and ladle furnaces where they withstand both molten steel (1,600-1,700°C) and oxygen lancing. The glass industry uses them in melting tank superstructures exposed to corrosive alkali vapors, with zirconia-based variants offering the best performance. Petrochemical applications include reformers and cracking units where they resist cyclic oxidation from hydrocarbon processing. Emerging uses include waste-to-energy plants, where they handle both high temperatures and aggressive flue gases containing chlorine and sulfur compounds.
Safety and Storage
While non-toxic in bulk form, dust generated during cutting or installation requires NIOSH-approved respirators due to crystalline silica risks in some formulations. Materials should be stored on pallets in dry warehouses (<60% RH) to prevent hydration of chemically-bonded types. At service temperatures, some chromium-containing refractories may form hexavalent chromium compounds – proper ventilation and OSHA compliance are mandatory. Thermal shock resistance testing (ASTM C1100) is recommended before installation to prevent catastrophic failure during rapid heating cycles.
B2B Procurement Guide
Industrial buyers should specify: 1) Maximum continuous operating temperature with acceptable heat-up rates, 2) Expected service life (typically 1-10 years depending on cycling frequency), and 3) Permissible dimensional tolerances for pre-formed shapes. For custom formulations, request certified test data including hot modulus of rupture (HMOR) at application temperatures and oxidation weight gain per ASTM C863. Consider total cost of ownership – premium materials like zirconia-mullite composites may offer longer lifespan than alumina-chrome despite higher initial cost. Lead times for specialty shapes can exceed 12 weeks; plan inventory accordingly.
Related Manufacturers
- 主营：紫外线吸收剂、光稳定剂、橡胶助剂、抗氧剂、抗氧剂703、工业级抗氧剂702、抗氧剂DSTDP、通用型抗氧剂、耐热氧化降解抗氧剂、抗氧剂264、抗氧剂3114、防老剂、塑料添加剂、油品添加剂、硫代二丙酸二酯、草酰苯胺类吸收剂、聚烯烃稳定剂、聚合物防老化剂、高效合成材料防老剂、水性紫外线吸收剂、结晶防老剂、水性防护剂、食品级油墨助剂、耐高温紫外线吸收剂、复合型稳定剂
- 主营：高铝砖、刚玉砖、硅莫复合砖、耐火材料厂家批发、耐火浇注料、高铝浇注料、钢纤维浇注料、耐火喷涂料、耐火可塑料、耐火粘土砖、碳化硅砖、低气孔粘土砖、莫来石砖、轻质保温砖、轻质保温浇注料、铬刚玉砖、磷酸盐砖、刚玉莫来石浇注料、防渗砖、防渗浇注料、低蠕变耐火砖、八角筒耐火砖、格子砖、红柱石耐火砖、高铝聚轻砖、抗剥落高铝砖
- 主营：氧氯化锆、氯氧化锆、氢氧化钠、丁酸钠、正丁酸钠、片碱
- 主营：硫化铵、选矿药剂、表面活性剂、氧化石蜡皂、阻燃剂、有机化合物、中间体、日用香精、树脂
- 主营：油酰氯、阻燃剂、钼酸铵、八水合氧氯化锆、苯胺黑、硫酸锌、催化剂、甘露醇、硫酸铵、水杨酸、二苯胍、苯甲醇、松油醇、醋酸钠、脱脂剂、碳酸镍、妥尔油、硼酸锌、柔软剂、氰酸钠、铜铬黑、清洗剂、杀虫剂、乳酸钠、氟化镁、浮选剂
- 主营：奇疏110、液态聚硫橡胶、脱普32清洗剂、氧氯化锆厂家、辛基羟肟酸、拜耳3900固化剂、ipda、间苯二甲铵、ipdi、异山梨醇二甲醚、安息香乙醚、六甲基二硅氮烷
- 主营：脱模剂、中间体、粘合剂、抗氧剂、乙二氧基、二氧基噻吩、固化剂、染色助剂、防灰雾剂、乙基己醇、邻苯二甲、丙烯酰氯、光盘涂料、2-氯丙酰氯、4-氨基苄醇、3-氯丙酰氯、表面活性剂、1-金刚烷甲醇、1-溴-4-氯丁烷、对氨基苯甲醇、羧甲基纤维素、四氢呋喃甲醇、1-氯-6-羟基己烷、纳米管复合材料、全氟辛基乙基醇
- 主营：捕收剂、浮选剂、硫化矿、苯氧肟酸、氧化石蜡皂、金属氧化矿物、萃取剂、液体松香、稀土镍钴、苄基胂酸、水杨羟肟酸、丁基钠黄药、磷酸二异辛酯、乙二胺磷酸盐、硫铁矿的抑制剂、冶金行业螯合剂、医药中间体
- 主营：硅溶胶、碱性硅溶胶、酸性硅溶胶、快干型硅溶胶、大粒径硅溶胶、超高纯度硅溶胶、阳离子硅溶胶
- 主营：滑石粉、超细滑石粉、重钙粉、氧化镁、超细氧化镁、氢氧化镁、超细重钙粉、碳酸钙、方解石粉、白云石粉、菱镁石粉、水镁石粉、绿泥石粉、石英砂、白砂、煅烧滑石粉、海城滑石粉、塑料级滑石粉、工业级滑石粉、微细滑石粉、滑石粉1250目、滑石粉800目、涂料级滑石粉
- 主营：硅微粉、熔融硅微粉、活性硅微粉、耐火材料用硅微粉、方石英粉、熔融石英粉、结晶硅微粉、煅烧硅微粉、硅橡胶专用硅微粉、超细硅微粉
- 主营：耐火可塑料、耐火浇注料、保温浇注料、抗冲刷侵蚀耐火材料、高温抹面料、稀土保温涂料、海泡石保温涂料、硅酸盐保温涂料、玻化微珠保温砂浆、高温粘合剂、稀土抹面料、FTC保温砂浆、微膨胀耐火可塑料、复合硅酸盐保温涂料、轻质保温浇注料、石棉水泥、FBT稀土保温涂料、保温抹面料、轻质隔热浇注料
- 主营：云母、蛭石、轮胎粉、彩砂、蛭石板、阻火模块、石英砂、无石棉矿物复合纤维、木质纤维、海泡石
- 主营：高岭土、玻璃鳞片、轻钙、氢氧化铝、空心玻璃微珠、S95矿粉
- 主营：酒石酸钾钠、单硬脂酸甘油酯
- 主营：德宏碱、湘西碱、碳酸镁、氧化镁、高含量氧化镁、工业级氧化镁、轻质氧化镁、肥料饲料级氧化镁、氢氧化镁、食品级氧化镁、重质氧化镁、氧化镁粉、高纯度轻质氧化镁、高纯度氧化镁、耐火材料、零售镁盛、镁盛纳米、高纯度轻质、哈尔滨高纯、佳木斯建材、乌鲁木齐建材、克拉玛依高纯、景德镇化学法、哈尔滨化学法、呼和浩特高纯
- 主营：乙酸钠、柠檬酸铵、甲酸铵、乙酸铵、草酸铵、草酸亚铁、硫酸亚铁、双乙酸钠、硫酸镁、碳酸钾、氯化钾、碳酸氢钾、甲酸钾、磷酸氢二钠、磷酸氢二钾
- 主营：杀菌剂、椰子油、印染剂、阻燃剂、油酸锌、润湿剂、硫酸铯、催化剂、粘合剂、乳化剂、草酸锰、硫酸锂、石英砂、绝缘油、茶皂素、防腐剂、醋酸镁、锂电池、碘化锂、培养基、蒸馏水、硬脂酸、塑化剂、草酸钾、磷酸铁
- 主营：硅酸盐、保温板、管道保温、硬质板材、屋顶保温、外墙保温、保温材料、防火防腐隔、硅酸铝、硅酸盐板、硅酸盐管、硅酸盐板保温板、复合硅酸盐板、硅酸盐防火板、防火硅酸盐板、憎水硅酸盐板、铝镁质
- 主营：对甲苯磺酸、黄血盐钠、黄血盐钾、二氧化硒、过氧化苯甲酰、苯甲酸、环烷酸、戊二醛、磺化钛氰钴、盐酸羟胺、衣康酸、聚丙烯酸酯乳液、癸甲溴铵、癸甲氯铵、4丁炔二醇、马日夫盐、氟硅酸镁、聚乙烯吡咯烷酮k30、磷酸三丁酯、聚六亚甲基双胍、黄丹粉、红丹粉、牛肉浸膏、HEDP
- 主营：18908-66-2、癸甲氯铵、咪唑烷酮、氧化镁阻燃剂工业级、二异丁腈、饲料添加剂、分散剂工业、柠檬酸三丁酯、聚乙烯吡咯烷、二甲基溴化铵
- 主营：肥水膏、杀菌剂、锚固剂、粘合剂耐火材料用、脂肪酸、洗涤剂、洗衣粉、硫酸铜、消毒剂、柠檬酸、苯磺酸、硬蜡酸、葡萄糖、固化剂、活性炭、丙三醇、原硼酸、石灰氮、防腐剂、洗洁精、硬脂酸、调节剂、混凝土、防冻剂、硫酸铵、乙二醇
- 主营：滑石粉、碳酸钙、涂料塑料、氢氧化镁、电缆塑料、橡胶塑料、无机阻燃剂、涂料油墨橡胶、硫酸钡