Ladle Lining Coating is a functional material used on the surface of high-temperature equipment or facilities. Its main function is to provide a protective layer that is resistant to high temperature, wear and corrosion, so as to extend the service life of the equipment, reduce maintenance frequency and improve production efficiency.
(1) Easy construction and high strength
(2) Good slag separation effect
(3) Easy to clean slag, easy to peel off
(4) Extend the service life of the lining
Product Application
Hot metal ladle、spheroidizing ladle、 grey cast iron 、ductile cast iron、 silicon ladle lining
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Item |
Index |
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TM-1 |
TM-2 |
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Chemical composition /% |
Al2O3 |
75 |
65 |
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Refractoriness/℃≥ |
1700 |
1600 |
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Heating line changes/%（110℃×24h） |
±1 |
±1.5 |
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Compressive strength/MPa |
110℃×24h |
≥10 |
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110℃×24h |
≥25 |
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Body density（g/cm3） |
2.3 |
2.2 |
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Highland Refractory classifies Ladle Lining Coating based on functional focus and application scenarios to meet diverse ladle protection needs, including Anti-Slag Erosion Ladle Lining Coating (formulated with high-alumina and chrome corundum aggregates, ideal for steel ladle slag line zones to resist molten slag penetration) and Thermal Shock Resistant Ladle Lining Coating (added with silicon carbide and fiber additives, suitable for ladles with frequent heating-cooling cycles like tundishes). There is also Lightweight Ladle Lining Coating (bulk density ≤1.2g/cm³), designed for secondary ladles to reduce heat loss while maintaining structural stability. Each type of Ladle Lining Coating is processed into a paste-like or powder form (mixed with water on-site) and applied via brushing or spraying, forming a dense protective layer that adheres firmly to the ladle lining substrate and withstands temperatures up to 1700℃.
Highland’s Ladle Lining Coating stands out in ladle maintenance and performance enhancement with core strengths: it forms a seamless, impermeable barrier on the ladle lining surface, blocking the infiltration of molten steel and slag into refractory pores—effectively reducing ladle lining wear and extending its service life by 30-50% compared to uncoated linings; it exhibits excellent thermal insulation, minimizing heat loss from the ladle during molten steel transportation and helping maintain molten steel temperature stability (reducing temperature drop by 5-10℃ per hour); it also enables quick on-site application, requiring only simple brushing or spraying tools without extensive ladle disassembly, saving maintenance time and labor costs. These advantages make Ladle Lining Coating a cost-effective solution for improving ladle operational efficiency.
Ladle Lining Coating is primarily applied in metallurgical sectors centered on molten metal handling, with key uses including: in the steel industry, it is coated on the inner walls and slag lines of primary steel ladles, tundishes, and transfer ladles, protecting refractory linings from molten steel and alkaline slag erosion while ensuring stable molten steel quality; in the non-ferrous metal industry, it serves as a protective layer for aluminum and copper melting ladles, resisting molten non-ferrous metal corrosion and preventing metal contamination caused by refractory material shedding; in the casting industry, it is applied to large casting ladles, maintaining molten iron temperature during transportation to ensure casting accuracy and reduce casting defects. Each application leverages Ladle Lining Coating’s unique ability to balance corrosion resistance, thermal insulation, and easy application for molten metal handling equipment.
Ladle Lining Coating (Highland) excels in targeted protection for molten metal handling equipment, with its formulation optimized for resistance to molten steel/slag erosion and high-temperature stability—making it ideal for ladles, tundishes, and other containers that directly contact molten metals, where both corrosion resistance and thermal retention are critical. Insulating Coating, by contrast, specializes in broad-spectrum thermal insulation for non-contact high-temperature surfaces (such as boiler outer walls, furnace exteriors, and industrial pipeline exteriors), with a focus on maximizing heat retention efficiency and reducing energy loss rather than withstanding direct molten material erosion. Each product serves distinct needs: Ladle Lining Coating dominates molten metal contact scenarios requiring corrosion resistance, while Insulating Coating leads in non-contact thermal insulation tasks for energy conservation.
Highland Refractory is a trusted producer of high-quality Ladle Lining Coating, backed by 30+ years of refractory expertise—we source high-purity corrosion-resistant aggregates (fused corundum, chrome ore) and advanced binders, using precise mixing technologies to ensure consistent viscosity and adhesion of each batch of Ladle Lining Coating; every product undergoes strict quality testing, including high-temperature corrosion resistance tests, adhesion strength measurements, and thermal insulation performance evaluations, meeting ISO 9001/CE standards. With an annual production capacity of 60,000 tons and services for 1,500+ clients across Asia, Africa, Europe, and Australia, we also tailor formulations (e.g., adjusting slag resistance for different steel grades or thermal insulation for specific ladle sizes) to match customer needs, ensuring our Ladle Lining Coating delivers reliable protection for ladle operations.
Choosing Highland Refractory for your Ladle Lining Coating needs means accessing tailored excellence and comprehensive support: we offer customization (adjusting aggregate composition, viscosity, and functional focus to fit your ladle type—e.g., high-corrosion grades for steel ladle slag lines or high-insulation grades for transfer ladles), fast delivery (3–7 days for standard types in stock, 10–15 days for custom formulations), and bulk discounts (5–10% off orders ≥5 tons). We also provide free samples, detailed technical data sheets (including application thickness guidelines and curing requirements), and 24/7 technical guidance (advising on coating frequency and maintenance based on ladle usage), ensuring your Ladle Lining Coating integrates seamlessly into ladle operations and delivers long-term protection and efficiency gains.
A: Yes, we do offer free samples of our Ladle Lining Coating. You just need to cover the shipping cost to your address. For customized Ladle Lining Coating with specific features like enhanced slag resistance or better adhesion, a small charge may apply, but it will be refunded if you place a large order later.
A: If you order our standard Ladle Lining Coating that's in stock, you can expect delivery within 3 - 7 days. However, for customized Ladle Lining Coating with particular requirements such as different thermal insulation properties or a specific application viscosity, it will take 10 - 15 days as we'll need extra time for production and quality checks. For bulk orders, we'll work with you to determine an appropriate delivery schedule.
A: Our Ladle Lining Coating is packaged with great care. It is first sealed in moisture - proof bags to prevent moisture from affecting its performance and setting characteristics. These bags are then placed in sturdy cardboard boxes or wooden crates depending on the quantity. The containers are clearly labeled with handling instructions such as "Keep Dry", "Handle with Care" and all the relevant product details.
A: We accept T/T (Telegraphic Transfer) and PayPal for payments. Similar to our other products, we require full payment before we dispatch the Ladle Lining Coating. We are constantly exploring additional payment options to make it more convenient for our customers.
A: Absolutely. Every batch of Ladle Lining Coating we produce undergoes strict quality control. You will receive a detailed quality inspection report that includes information about its chemical composition, adhesion strength, thermal insulation performance, and high - temperature corrosion resistance. This will give you confidence in the quality of the product you are purchasing.
A: We are sorry if you receive damaged Ladle Lining Coating. Please contact our customer service immediately and provide photos and a detailed description of the damage. We will promptly arrange to replace the damaged product with a new, undamaged batch at no extra cost to you.
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