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lightweight insulating brick

Product Introduction：

Product Details: Lightweight insulating bricks are a type of refractory insulation material with low bulk density and excellent thermal insulation properties, primarily used for insulation layers in industrial kilns and thermal equipment. While maintaining certain refractoriness, the product features lightweight construction, low thermal conductivity, and significant energy-saving effects.Lightweight insulating bricks effectively reduce heat loss, improve kiln thermal efficiency, and lower energy consumption, making them a crucial material for modern energy-efficient industrial kilns.Product Features:Low bulk density, lightweightLow thermal conductivity, excellent insulation performanceSignificant energy-saving effectStable refractorinessEasy construction, easy to cut and installReduces furnace heat lossApplication Areas:Insulation layers for industrial kilnsSteel heating furnacesCement kilns and preheating systemsGlass kilnsCeramic kilnsVarious heat treatment equipment

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PRODUCT DETAILS

Lightweight insulating bricks effectively reduce heat loss, improve kiln thermal efficiency,
and lower energy consumption, making them a crucial material for modern energy-efficient industrial kilns.

Product Features:

Low bulk density, lightweight

Low thermal conductivity, excellent insulation performance

Significant energy-saving effect

Stable refractoriness

Easy construction, easy to cut and install

Reduces furnace heat loss

Application Areas:

Insulation layers for industrial kilns

Steel heating furnaces

Cement kilns and preheating systems

Glass kilns

Ceramic kilns

Various heat treatment equipment

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High-Performance Alkali-Resistant Firebricks

Product Overview（产品简介）Alkali Resistant Firebrick is specially designed for high-temperature industrial furnaces exposed to alkali vapor corrosion such as sodium (Na₂O) and potassium (K₂O).It is manufactured from high-quality flint clay, alumina and silica materials. During high-temperature firing, the brick forms a dense protective layer that effectively prevents alkali penetration, significantly extending furnace lining life.This product is widely used in cement kilns, glass furnaces, and chemical thermal equipment.Key Features（核心优势）1. Excellent Alkali ResistanceForms a protective glassy layer under high temperature, resisting chemical corrosion from alkali gases.2. High Strength & DurabilityCold crushing strength up to 30–60 MPa, suitable for heavy industrial load environments.3. Strong Thermal Shock ResistanceStable performance under rapid heating and cooling cycles, reducing cracking and spalling.Product Specifications（技术参数）ItemPNJ-1PNJ-2GNJAl₂O₃ (%)25–4025–4025–40Fe₂O₃ (%)≤2.0≤2.0≤2.0Apparent Porosity (%)≤21≤20≤19Cold Crushing Strength (MPa)≥30≥40≥60Thermal Shock Resistance (times)≥10≥10≥25Refractoriness Under Load (°C)≥1300≥1350≥1250Alkali ResistanceGrade 1Grade 1Grade 1Applications（应用领域）Cement rotary kiln (cement industry)Preheater and decomposition systemGlass furnace regeneratorMetallurgical furnace liningChemical incineration systemWhy Choose Us（为什么选择我们）Factory direct supply, competitive priceStable quality control systemOEM & customized production availableExport experience for global marketsTechnical support for kiln lining design

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lightweight insulating brick

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Composite clay bricks

Composite Clay Large Brick IntroductionComposite Clay Large Brick is a large-size refractory brick manufactured from high-quality refractory clay materials through high-temperature firing. It features excellent heat resistance, thermal shock resistance, and strong mechanical strength, making it suitable for various industrial furnaces and high-temperature equipment.The composite structure design improves overall stability and service life while meeting different furnace construction requirements. Customized sizes and specifications are available according to customer needs. It is widely used in steel, cement, glass, ceramics, and chemical industries.Product Features:Stable refractory performanceExcellent thermal shock resistanceHigh mechanical strengthStrong structural stabilityCustomizable dimensions and specificationsApplications:Industrial furnacesHot blast stovesCement kilnsGlass furnacesCeramic kilnsHigh-temperature thermal equipment

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Refractory Bricks

Refractory brick is a type of heat-resistant material designed for long-term use in high-temperature environments. It is widely used as lining material in industrial furnaces and thermal equipment. The product offers excellent high-temperature resistance, wear resistance, thermal shock resistance, and chemical stability under severe working conditions.Refractory bricks can be classified into several types, such as clay bricks, high alumina bricks, silica bricks, corundum bricks, and mullite bricks, selected according to different operating temperatures and working conditions.Product Features:Stable high-temperature resistanceGood thermal shock resistanceHigh mechanical strengthWear and corrosion resistanceStrong chemical stabilityLong service lifeApplications:Steel and metallurgical industryCement kilnsGlass furnacesCeramic kilnsChemical high-temperature equipmentPower and thermal systems

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Low-porosity clay bricks

Low porosity fire clay brick is a dense refractory brick made from high-quality fire clay through high-pressure forming and high-temperature firing. It features low porosity, dense structure, excellent wear resistance, anti-permeability, and stable high-temperature performance.Compared with standard fire clay bricks, this product offers higher strength and better resistance to corrosion, making it suitable for critical parts of medium to high-temperature industrial furnaces and effectively extending lining service life.Product Features:Low porosity and dense structureHigh mechanical strengthExcellent wear and corrosion resistanceGood high-temperature volume stabilitySuperior anti-permeability performanceLong service lifeApplications:Industrial furnace liningsBlast furnaces and hot blast stovesCoke ovens and coking equipmentCement kiln systemsGlass and ceramic kilnsVarious thermal equipment

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Mullite corundum bricks

Mullite Corundum Brick is a high-performance refractory material made from high-purity alumina, corundum, and mullite through high-temperature firing. It features excellent high-temperature resistance, thermal shock resistance, wear resistance, corrosion resistance, and high mechanical strength, making it suitable for harsh high-temperature environments.The product provides excellent volume stability and spalling resistance at elevated temperatures, helping improve furnace operating efficiency and extend service life. It is widely used in key high-temperature areas of steel, cement, glass, ceramic, and petrochemical industries.Product Features:High refractorinessExcellent thermal shock resistanceStrong wear and erosion resistanceHigh hot strengthExcellent chemical corrosion resistanceLong service lifeApplications:Cement rotary kilnsSteel industry furnacesGlass melting furnacesCeramic kilnsPetrochemical thermal equipmentVarious high-temperature industrial systems

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High alumina bricks

High Alumina Brick is a refractory material made from high-quality bauxite clinker through high-temperature firing. It features excellent high-temperature resistance, wear resistance, thermal shock resistance, and corrosion resistance. It is widely used in high-temperature industrial furnaces in the steel, cement, glass, ceramics, power, and chemical industries.The product offers high refractoriness and excellent load softening temperature, ensuring stable performance under extreme working conditions. It helps extend furnace service life while reducing maintenance costs. Customized sizes and technical specifications are available according to different industrial requirements.Product Features:High refractorinessExcellent compressive strengthSuperior wear resistanceStable thermal shock resistanceLong service lifeApplications:Hot blast furnacesCement rotary kilnsGlass furnacesCeramic kilnsPower plant boilersChemical industry furnaces

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