Overview
Silica deoxidizer is a specialized chemical agent used to remove dissolved oxygen from molten metals, particularly in steelmaking and foundry operations. Composed primarily of silicon dioxide (SiO2), it reacts with oxygen to form silicate slag, which can be easily separated from the metal. Its effectiveness stems from its high affinity for oxygen at elevated temperatures, making it indispensable for producing high-quality, low-oxygen metals. The deoxidizer is typically added during the refining stage to minimize oxidation-related defects like porosity or brittleness.
Physical and Chemical Properties
Silica deoxidizer is characterized by its high melting point (around 1,600°C) and insolubility in water, ensuring stability under extreme metallurgical conditions. Its granular or powdered form allows for controlled dosing and rapid reaction kinetics. Key chemical properties include its ability to react with free oxygen to form silicon oxides, reducing oxygen content in molten metals to as low as 0.001%. The product’s non-toxic nature distinguishes it from alternatives like aluminum-based deoxidizers, though proper handling is still required to avoid respiratory irritation from fine particles.
Main Applications
The primary use of silica deoxidizer is in steel production, where it improves ductility and tensile strength by eliminating oxygen-induced impurities. It is also employed in non-ferrous metal refining, such as copper and aluminum alloys, to enhance conductivity and corrosion resistance. Beyond metallurgy, it finds niche applications in glass manufacturing and ceramics, where controlled oxygen levels are critical for material properties. Its compatibility with electric arc furnaces (EAFs) and ladle refining systems makes it a versatile choice for industrial-scale operations.
Safety and Storage
While silica deoxidizer is non-flammable and chemically stable, prolonged exposure to dust may cause respiratory issues. Workers should use NIOSH-approved masks and ensure adequate ventilation in processing areas. Storage requires moisture-proof packaging, typically in sealed bags or containers, to prevent clumping or reduced efficacy. Facilities should maintain temperatures below 30°C and avoid direct sunlight. Spills should be cleaned using dry methods to prevent slurry formation.
B2B Procurement Guide
When sourcing silica deoxidizer, prioritize suppliers with ISO 9001 certification and batch-specific purity analysis (≥98% SiO2). Particle size (e.g., 1-5mm granules) should align with furnace requirements for optimal dissolution rates. Bulk purchases (20+ tons) often qualify for discounts, but verify logistics capabilities, as some suppliers offer just-in-time delivery to reduce storage costs. Technical support for dosage calculations and slag management is a valuable add-on service for first-time buyers.
Related Manufacturers
- 主营：[]
- 主营：[]
- 主营：低硅铁、硅钡孕育剂、硅钙粉、硅钙块、硅钙粒、硅锰合金、硅铝钡、硅铁粒1-3mm、硅铁粒3-5mm、硅铝钡钙、冶炼硅锰合金、铸造用硅钡孕育剂、硅铁粒、脱氧剂硅锰块、锰硅合金材料、72号硅铁粒、硅锰脱氧合金、硅铝钡钙合金、硅钙合金颗粒、硅钙合金块、高效硅钡孕育剂、低硅合金铁、硅铝钡精炼剂、球化剂、冶金球化剂
- 主营：出铁沟高档浇注料、高档泥套料、铁水罐浇注料、脱氧剂、灌浆料、陶瓷耐磨料、铁屑填料、泥包料、钢包浇注料、干式振动料、焦炉用浇注料、加热炉用浇注料
- 主营：纯铝杆、圆铝杆、复绕铝杆、铝硅合金焊丝、铝硅焊丝、ER4043铝硅焊丝、铝杆、铝焊丝、电工圆铝杆、直条铝焊丝、纯铝焊丝、ER5356铝焊丝、铝合金氩弧焊丝、铝焊条、纯铝铝合金铝杆、圆铝线材、12mm铝杆、9.5mm铝杆、15mm铝杆、复绕脱氧铝杆、纯铝焊接材料、铝合金气保焊丝、铝焊丝条、ER1100铝焊丝、铝合金圆杆
- 主营：铁粉、四氧化三铁粉、洗煤厂用介质粉磁粉、脱氧剂用铁粉、还原铁粉、一次还原铁粉、二次还原铁粉、钕铁硼磁粉、纸浆蛋托、超细还原铁粉、生铁粉、发热铁粉、配重铁砂、雾化铁粉、水处理磁粉、洗煤厂用介质粉、置换铜铁粉、环保鸡蛋托、可降解防水鸡蛋托、抗压防震鸡蛋托盘、硫化铁、氧化铁、赤铁粉、铸铁粉、钡铁氧体
- 主营：石英砂、无烟煤、活性炭、硅藻土、工业硅藻土、硅酸铝纤维、沸石、火山石、增碳剂、堇青石粉、活性白土、高纯石英砂、椰壳活性炭、无烟煤滤料、煅烧高岭土、沸石颗粒、火山石颗粒、漂白土、萤石粉、米白圆粒沙、五彩玉石米、五彩玉石、重钙、轻钙
- 主营：腐植酸钠、腐植酸、铁粉、硅铁粉价格、磁铁粉、钕铁硼磁粉
- 主营：增碳剂、煅烧焦、石墨化焦、脱氧剂、摩擦材料焦炭粉、摩擦材料合成石墨、沥青焦、球铁增碳剂、灰铁增碳剂、石墨增碳剂、半石墨增碳剂、负极用石油焦、负极用针状焦、特碳用沥青焦、针状焦、铸造增碳剂、高温石墨增碳剂、煅后石油焦、负极用沥青焦、负极材料电阻料、负极材料用保温料
- 主营：催化剂、分子筛、干燥剂、脱氧剂、钛硅催化剂、吸附剂、钯触媒、voc吸附、活化粉、沸石吸附、zsm-5分子筛、脱硫脱氨分子筛、贵金属催化剂、钯催化剂、酸性气体干燥、beta分子筛、异构化催化剂、加氢催化剂、溶剂干燥分子筛、sapo-34、ssz-13、NaY
- 主营：粘结剂、免烘干、粘合剂、脱氧剂、肥料造粒、变性淀粉、糊化淀粉、阿尔法淀粉、玉米预糊化、预糊化淀粉、免烘干粘合剂、型煤粘合剂、除尘灰粘合剂、焦粉粘合剂、肥料造粒剂、型煤胶粉、铁粉粘合剂、氧化铁皮粘结剂、氧化铁粉、除尘灰脱锌粘合剂、焦炭块、焦末、焦沫、新型焦炭、石墨增碳剂、增碳剂造粒
- 主营：脱氧剂、表面活性剂、污水处理药剂、各类无机盐
- 主营：处理剂、污水cod、絮凝剂、脱氧剂、cod当量、培养剂、醋酸钠、环保药剂、淀粉标准、酰胺用量、cod去除剂、防水乳液、氯化铝絮凝、氯化铝国标、臭味降解剂、葡萄糖成分、超标去除剂、酰胺添加量、离子聚丙烯、硫酸铁国标、净水剂聚合、废水去除剂、聚合氯化铝、工业葡萄糖、污水除臭剂、硫酸铁除磷
- 主营：缓蚀阻垢剂、杀菌灭藻剂、反渗透阻垢剂、锅炉脱氧剂、反渗透杀菌剂、臭味剂、消泡剂、锅炉除垢剂、脱硫增效剂、脱硝剂、复合碳源、反渗透清洗剂、反渗透絮凝剂、锅炉除氧剂、锅炉除焦剂、保温装饰一体板
- 主营：缓蚀阻垢剂、杀菌灭藻剂、反渗透阻垢剂、脱氧剂、除垢剂、粘泥剥离剂、消泡剂、氨氮去除剂、絮凝剂、除油剂、臭味剂、COD去除剂、除锈剂、工业清洗剂、预膜剂、反渗透还原剂、反渗透杀菌剂、反渗透清洗剂、锅炉阻垢剂、聚丙烯酰胺、RO膜还原剂、除氧剂、反渗透絮凝剂、水处理药剂
- 主营：金属硅、金属硅粉
- 主营：测试机、仪测试、检验机、脱氧剂包装膜透气阻力、测验仪、护目镜、卫生巾、astmf2992、测定机、耐磨仪、强力仪、nbs橡胶、织物胀、卫生纸、老化箱、检测仪、灼热丝、试验机、试验仪、纸尿裤、能检验、测定仪、呼吸气密、测试温度、口罩耳带、性测试仪
- 主营：脱氧剂、漂白还原剂