Coil Red Mud (Coil Cement) for IF
2026-04-20
Coil Red Mud (Coil Cement)
线圈红泥（线圈胶泥）
is the core protective material for medium-frequency induction furnaces,
是中频感应电炉的核心保护材料，
directly determining equipment safety, service life and production stability,
直接决定设备安全、寿命与生产稳定性，
and is an irreplaceable key component.
是不可替代的关键部件。
I. Core Function: Insulation & Short-Circuit Prevention (Safety Critical)
High Insulation Performance
高绝缘性
Fills gaps between coil turns, isolates high voltage, and eliminates inter-turn short circuits, arcing and breakdown.
填充线圈匝间缝隙，隔绝高压，杜绝匝间短路、打火、击穿。
Leakage & Power Supply Protection
防漏电 / 烧电源
Prevents electric leakage and arc discharge caused by coil aging, water leakage and moisture,
防止线圈老化、漏水、受潮导致的漏电、电弧放电，
protecting medium-frequency power supplies (thyristors, capacitors) from overcurrent impact.
保护中频电源（晶闸管、电容）免受过流冲击。
Replacement for Mica & Glass Cloth
替代云母 / 玻璃丝布
Denser, higher temperature resistance and longer service life,
更致密、耐高温、寿命更长，
with significantly improved insulation and thermal shock resistance.
绝缘与抗热震性能显著提升。
II. Thermal Insulation & Leakage Prevention: High Temperature Resistance & Furnace Breakthrough Protection
Thermal Insulation Barrier
隔热屏障
Isolates ultra-high temperature above 1600℃ inside the furnace,
隔绝炉内 1600℃+ 高温，
protects copper coil conductors (temperature resistance < 300℃)
保护线圈铜导体（耐受 < 300℃），
from overheating, softening and deformation.
防止线圈过热、软化、变形。
Molten Metal Seepage Resistance
防金属液渗漏
High density and high refractoriness.
高致密、高耐火度。
In case of lining cracking or steel leakage,
一旦炉衬开裂 / 漏钢，
it blocks molten steel /iron from penetrating and eroding the coil, avoiding furnace breakthrough accidents.
阻挡钢水 / 铁水渗透、熔蚀线圈，避免穿炉事故。
Early Warning
早期预警
Releases trace moisture when exposed to high-temperature molten metal,
遇高温金属液时释放微量水分，
causing a drop in insulation resistance and triggering system alarms.
绝缘电阻下降，触发系统报警。
III. Structural Protection: Fixing, Deformation Resistance & Wear Protection
Coil Support
支撑线圈
Fills inter-turn spaces and coats the surface to fix coil shape,
填充匝间、包裹表面，固定线圈形状，
preventing twisting, deformation and loosening under high temperature, vibration and furnace dismantling.
防止高温、振动、拆炉时扭曲、变形、松动。
Thermal Expansion & Contraction Buffering
缓冲热胀冷缩
Forms a smooth sliding surface to allow free expansion and contraction of the furnace lining,
形成光滑滑动面，允许炉衬自由膨胀收缩，
preventing transverse cracking and spalling of the lining.
防止炉衬横向裂纹、脱落。
Guidance & Scratch Resistance
导向与防擦伤
For ejector-type furnace bodies, provides guidance, prevents coil scratching and extends coil service life.
对顶出式炉体，导向、防线圈刮擦、延长线圈寿命。
IV. Performance & Construction: Durable & Easy to Maintain
Material
材质
High-purity corundum + refractory cement,
高纯刚玉 + 耐火水泥，
featuring high strength, high wear resistance, low expansion and thermal shock resistance.
高强度、高耐磨、低膨胀、抗热震。
Environmental Friendly
环保
Non-corrosive, non-volatile, non-toxic and safe.
无腐蚀、无挥发、无毒、安全。
V. Consequences of Negligence (Risks)
- Inter-turn short circuits, arcing, coil burnout and power supply damage
- 匝间短路、打火、烧线圈、烧电源
- Lining cracking, steel leakage, furnace breakthrough and major safety accidents
- 炉衬开裂、漏钢、穿炉、重大安全事故
- Coil deformation, sharply reduced service life, frequent overhauls and production shutdown losses
- 线圈变形、寿命骤降、频繁大修、停产损失
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HENAN SINO INDUSTRIAL REFRACTORY NEW MATERIAL CO. LTD
Factory Address:
Mazhai, Zhengzhou, China
Nanlou, Dashiqiao, China
Xinmi, Zhengzhou, China
Samut Sakhon， Thailand
Klang ，Malaysia
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