Overview
Foundry slag conditioner is a critical auxiliary material in metal casting processes, designed to modify the physical properties of slag for easier separation from molten metal. Composed primarily of silica, alumina, and fluxing agents, it reduces slag viscosity while promoting aggregation of impurities. Industrial formulations may include calcium compounds, fluorides (in traditional products), or eco-friendly alternatives like borate-based systems. The product's effectiveness is measured by its ability to improve metal yield and reduce inclusions in castings.
Physical and Chemical Properties
Typical slag conditioners exhibit high thermal stability to withstand molten metal temperatures (1300-1600°C for ferrous metals). Their granular structure (0.5-3mm particle size) ensures controlled dissolution in slag layers without excessive volatilization. Chemically, these compounds function as network modifiers in silicate-based slags, breaking Si-O bonds to lower viscosity. The exothermic reaction with metal oxides (FeO, MnO) generates additional heat, maintaining slag fluidity. Modern formulations minimize hazardous components like fluorides while maintaining performance through optimized CaO/SiO₂ ratios.
Main Applications
Primary use occurs in cupola furnaces and induction melting systems for cast iron production, where slag conditioners remove sulfur and phosphorus impurities. In steel foundries, they prevent slag entrapment in continuous casting molds. Aluminum casting operations employ specialized low-temperature variants (600-800°C working range) to separate oxide skins. The automotive casting sector accounts for approximately 40% of global consumption, followed by heavy machinery and pipe manufacturing industries.
Safety and Storage
Storage requires moisture-proof packaging (usually 25kg multilayer bags) in dry warehouses. Exposure to humidity can cause caking and reduced activity. Thermal decomposition may release silicon tetrafluoride in fluoride-containing products. Operational safety mandates FFP2 respirators during manual addition to furnaces due to alkaline dust formation. Emergency protocols should address thermal burns from slag splattering, with neutralization kits available for accidental skin contact with active components.
B2B Procurement Guide
Technical specifications should include: Basicity Index (0.6-1.2 optimal for most irons), free moisture content (<0.5%), and fluoride content (preferably <5% for environmental compliance). Bulk purchases (20+ tons) typically offer 12-18% cost savings. Leading manufacturers differentiate through particle size distribution controls and trace element additions (e.g., strontium for nodular iron treatment). Just-in-time delivery is recommended to prevent long-term storage degradation. Quality certifications to request: ISO 9001, RoHS compliance, and material safety data sheets.
Related Manufacturers
- 主营：高岭土、铝矾土、高铝粉、打渣剂、炉衬料、石英砂、石英粉、长石粉、高铝砂、玻璃粉、电熔镁砂、锆英砂、金刚砂、矿渣粉、重晶石粉、彩砂、重金石、钙粉
- 主营：轻质碳酸钙、重质碳酸钙、硅灰、打渣剂、膨润土、高岭土、滑石粉、珍珠岩、凹凸棒土、贝壳粉、硅藻土、氧化钙、氢氧化钙、氧化钙颗粒、木质纤维、沸石粉、沸石颗粒、橡胶粉、蛭石、机制木炭、石英砂、白云石、白云石粉
- 主营：火山石、沸石、沸石粉、打渣剂、石英粉、石英砂、石墨粉、氢氧化钙、氧化钙、浮石、鹅卵石、凹凸棒土、硅灰粉、活性白土
- 主营：耐火浇注料、酸性炉衬材料、高效除渣剂、铝矾土高铝细粉、石墨化增碳剂、透热炉打结料、线圈胶泥、中性炉衬材料、导电粉、中间包可塑料、打炉料、干振料、刚玉炉衬料、硅藻土、电气石托玛琳粉、膨润土、重晶石硫酸钡粉、蛭石、高岭土、橡胶颗粒粉、石英沙石英粉、绿泥白泥修补料、凹凸棒土、重质轻质碳酸钙、雨花石炉料
- 主营：沸石粉、除渣剂、珍珠岩、玻化微珠、保温材料、保温砂浆、沸石颗粒、保温除渣、保温覆盖剂
- 主营：白色鹅卵石、火山石颗粒、白色石英砂、铸造除渣剂、污水处理滤料
- 主营：除渣剂、焦碳粉、焦炭粉、铸造焦炭、石油焦粉、无烟煤粉、石墨润滑剂、三八块焦碳、椰壳活性炭
- 主营：珍珠岩、珠光砂、玻化微珠、保温砂浆、砂浆轻质、屋面保温、栽培基质、保温颗粒、轻钢建筑、防火保温、石膏砂浆、外墙保温、冷箱保冷、轻质隔墙板、无机轻集料、保温板、除渣剂
- 主营：脱氧剂、精炼剂
- 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：浇注料、膨润土、钠基膨润土、铸造膨润土、耐火水泥、钙基膨润土、打井泥浆土、水玻璃、硅酸钠溶液、石英砂、耐火砖、泡花碱、耐火骨料、耐火砂、除渣剂、铝矾土、铁水包浇注料、锅炉浇注料、耐火耐酸浇注料、耐高温浇注料、钢纤维浇注料、泥浆膨润土、钻井膨润土、耐火浇注料、膨润土厂家
- 主营：火山石、电气石、金刚砂、铸造用粘土、麦饭石、火山岩、鹅卵石、石英砂、埋香沙子、宠物垫料、彩色石子、沸石颗粒、五彩石子、粉色沙子、耐火材料、膨润土球、配重铁砂、沙画彩砂、凹凸棒土、白色小石头、海沙圆粒砂、暖贴用蛭石、水族鱼缸过滤、研磨抛光果壳、水泥油漆调色剂
- 主营：集渣剂、保温板、除渣剂、打渣剂、洗手粉、膨润土、沸石粉、珠光砂、珍珠岩、清渣剂、厚普矿业、铸铁铸钢、饲料沸石、沸石颗粒、水泥膨胀、保温颗粒、建筑保温、基质土营养土
- 主营：介质粉、污水处理磁粉、活性白土、铁粉、重质碳酸钙、轻质碳酸钙、远红外粉、滑石粉、煅烧滑石粉、配重砂、贝壳粉、石英粉、玻璃粉、麦饭石粉、白云石粉、硅藻土、绿沸石、石膏粉、陶土、四氧化三铁、硅灰、矿渣粉、粉煤灰、膨润土、硫化铁
- 主营：优氯净、甘氨酸、切削液、打渣剂源头渠道、水杨酸、硫酸锰、平平加、滑石粉、牛磺酸、白僵菌、磷酸铁、铵明矾、蛋白胨、碳酸镁、磷酸铝、戊二醛、纤维素、硫化钠、硫化钡、黄蜂蜡、硫化钙、氯化锌、氯化锰、氧化锑、氧化锆、氧化锌