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Descrizione

Lightweight Mullite Large Slabs

Lightweight mullite large slabs are made primarily from alumina, silica, and mullite, combined with fillers and binders, and formed using a suction-compression bonding method. Compared to commercially available calcined fiber products and lightweight insulating bricks, they offer better processability, larger slab sizes, lower thermal conductivity, and lower density. Large slabs and custom-shaped products can meet the requirements of operating at temperatures up to 1450℃ and continuously at 1400℃. They have already replaced imported products in multiple electric/gas kilns, demonstrating excellent energy-saving effects and reducing operating costs.

Caratteristiche del prodotto

  1. Large Panel Design, Highly Efficient Construction

Large panel size (standard 1000×600mm) reduces the number of seams, resulting in high construction efficiency, good overall sealing, and effectively reducing thermal bridging.

  1. Low Thermal Conductivity, Significant Energy Savings

Low thermal conductivity (0.15~0.24 W/(m·K)) and light density (450~1000 kg/m³), resulting in low heat storage and significantly improved energy saving compared to traditional lightweight insulating bricks.

  1. Low Heating Linear Change, Dimensional Stability

Low heating linear change rate at high temperatures; shrinkage rate ≤0.8% (450 kg density) at 1400℃ and ≤4.0% at 1500℃, ensuring good dimensional stability and long service life.

  1. Good Processability, Customization Supported

Compared to commercially available calcined fiber products and lightweight insulating bricks, it has excellent processability, allowing for cutting and drilling, and also supports custom-made irregular shapes.

  1. High-purity raw materials, low impurity content

Using high-purity alumina, silica, and mullite as the main raw materials, the content of harmful impurities such as Fe₂O₃, Na₂O, and K₂O is low, making them less likely to react with materials at high temperatures, ensuring process purity.

Lightweight Mullite Large Slabs
III.ParameterProduct Performance
Massimo. Service Temperature1450℃
Long-term Service Temperature1400℃
Bulk Density, g/cm³450-1000
Thermal Conductivity (W/m·K)4505006007008001000
0.150.160.180.20.220.24
Linear Change after 12h Heating (%)1100
1200
1250
1300≤0.4≤0.4≤0.3≤0.3≤0.3
1350≤0.5≤0.4≤0.4≤0.4≤0.4≤0.3
1400≤0.8≤0.7≤0.7≤0.6≤0.6≤0.5
1450≤1≤0.9≤0.9≤0.8≤0.8≤0.6
1500≤4≤4≤3.8≤3.7≤3.6≤3.2
Main Chemical CompositionAl₂O₃≥48-60%
SiO₂≥40-48%
Fe₂O₃≤0.8%
NaO₂≤0.8%
K₂O≤0.6%
CaO₂≤0.5-1%
IV.Product SpecificationStandard size (L×W×H): 1000×600×65 mm, custom sizes available upon request

Aree di applicazione

  • High-Temperature Electric Furnace Lining: Used as insulation material for the lining of various high-temperature electric furnaces and experimental electric furnaces.
  • Insulation and Electrical Insulation Material for Heating Devices and Equipment: Used for insulation and electrical insulation of heating devices.
  • Lining Material for Various High-Temperature Furnaces: Widely used in high-temperature kilns in the ceramics, metallurgia, glass, and chemical industries.
  • Tunnel Kilns and Roller Kilns: Used as kiln lining material and insulation layer.
  • Industrial Kiln Back Lining and Working Layer: Used for insulation of the back lining and protection of the working layer in high-temperature kilns.

Profilo Aziendale

Un'impresa professionale specializzata in servizi tecnologici di trattamento termico e il marchio R&D, produzione, e vendita di forni elettrici ad alta temperatura.

L'azienda si concentra sullo sviluppo di forni elettrici ad alta temperatura che coprono un intervallo di temperature compreso tra -100 ℃ e 2600 ℃. I suoi prodotti includono forni elettrici sperimentali, forni in atmosfera sottovuoto, forni industriali, e apparecchiature di riscaldamento a induzione a media frequenza. I prodotti principali includono forni a scatola, forni tubolari, forni di sollevamento, forni a spinta, forni a carrelli, forni rotanti, forni a tunnel, e vari forni specializzati a media frequenza.

L'azienda aderisce all'innovazione tecnologica e ha superato le certificazioni ISO9001 e EU CE. Possiede 21 marchi registrati, 29 brevetti, E 27 diritti d'autore sul software.

Metodi di pagamento

TT

Metodi di spedizione

Il forno elettrico è confezionato in Il forno elettrico è confezionato in tre strati: prima avvolto in carta schiuma, poi avvolto in pellicola di plastica, e infine imballato in una cassa di legno.

Domande frequenti (Domande frequenti)

  1. What are the maximum operating temperature and long-term operating temperature of this product?

The maximum operating temperature is 1450℃, and it can operate continuously at 1400℃.

  1. What are the main chemical components of the product?

The main components are Al₂O₃ (≥48%~60%) and SiO₂ (≥40%~48%). The content of harmful impurities such as Fe₂O₃, Na₂O, and K₂O is ≤0.8%, ensuring high purity and good chemical stability.

  1. What are the advantages of this product compared to ordinary lightweight insulating bricks?

It has advantages such as low thermal conductivity, light weight, large panel size, and good processability, resulting in significant energy savings and high installation efficiency.

  1. Does it support custom sizes?

SÌ. The standard size is 1000×600×65mm, but other sizes and irregular shapes can also be customized according to customer requirements.

  1. How stable is the product’s dimensions at high temperatures?

The product exhibits minimal shrinkage during heating, with a shrinkage rate ≤0.8% at 1400℃, demonstrating excellent dimensional stability.

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