A failed lining stops your furnace. Our high-purity refractory linings are engineered for maximum campaign life — keeping you in production longer between costly shutdowns.
Every lining change means 8–24 hours of downtime, cooling time, and lost production. A lining that lasts 6 weeks vs 10 weeks represents a 40% reduction in relining shutdowns per year.
Beyond materials, relining requires 2–4 skilled workers, specialized ramming equipment, and careful drying/sintering cycles. Each relining event costs far more than just the refractory material.
Inferior refractory with inconsistent particle size distribution or impure raw materials develops hot cracks — allowing molten metal to penetrate toward the induction coil. This can destroy your coil in minutes.
Many foundries have no system to monitor lining wear — they only discover a problem when current anomalies appear or metal begins to penetrate. By then, it may be too late.
YuRun supplies complete induction furnace lining materials — from high-purity quartz silica powders for steel and iron applications to magnesia and alumina formulations for specialty metals. Our refractory materials are manufactured to strict particle size distributions and purity specifications, which directly determines how tightly the lining sinters, how resistant it is to thermal shock, and ultimately how long it lasts in production.
We supply lining materials in pre-weighed, labeled bags sized for standard furnace capacities — including sintering agents, surface binder, and an installation guide tailored to your furnace model. Technical support for the sintering procedure is available via WhatsApp or video call. All materials ship globally from our warehouse with typical lead times of 5–15 days.
Lining performance depends on how tightly particles pack during ramming. Our materials are graded to exact particle size specifications — ensuring consistent packing density and sintered density across every batch.
Silica linings use >99% pure quartz (SiO₂). Magnesia linings use >97% pure fused magnesia. Alumina linings use tabular alumina >99% Al₂O₃. Higher purity = better sintering = longer campaign life.
Iron foundries have different thermal, chemical, and physical requirements than copper or aluminum casters. We provide specific formulations for each application — not a generic "universal" lining.
Materials arrive pre-weighed and labeled for your specific furnace capacity, including primary lining, backup lining, top collar, and sintering agent. Eliminates on-site measuring errors that compromise lining quality.
Proper lining sintering is as important as the material itself. We provide a detailed English-language sintering protocol and are available via WhatsApp to guide your team through the sintering process in real time.
Optional: furnace wear monitoring kit that tracks electrical parameters (current, impedance) over the campaign life to estimate remaining lining thickness and schedule relining before a dangerous breakthrough occurs.
| Lining Type — Iron & Carbon Steel | High-purity quartz silica, SiO₂ >99%, maximum service temperature 1650°C |
| Lining Type — Stainless & High-Alloy Steel | Fused magnesia, MgO >97%, maximum service temperature 1750°C |
| Lining Type — Copper & Brass | Alumina-silica blend, Al₂O₃ >85%, maximum service temperature 1200°C |
| Lining Type — Aluminum | High-purity alumina, Al₂O₃ >99%, maximum service temperature 900°C |
| Sintering Agent | Boric acid (H₃BO₃), pH-neutral, pre-measured per kit |
| Particle Size Control | D50 controlled within ±0.05mm, graded 0.2mm–8mm range (varies by zone) |
| Typical Campaign Life — Silica | 6–12 weeks (iron/steel, varies by operating temperature and charge material quality) |
| Typical Campaign Life — Magnesia | 8–16 weeks (high-alloy applications) |
| Furnace Compatibility | All induction melting furnace brands, 50kg – 30T |
| Packaging | Pre-measured bags labeled by zone (bottom, side wall, top collar) |
| Available Stock | Standard capacities: 100kg, 250kg, 500kg, 1T, 2T, 3T, 5T, 10T |
| Lead Time | Standard stock: 5–10 days. Custom specifications: 15–25 days |
| Shipping | Available worldwide via sea freight or air freight |