Lightweight insulating refractory bricks (soft fire bricks) for furnaces and kilns • 1260–1600°C • OEM/ODM

Insulating Fire Bricks Manufacturer

About JSS

Lightweight Insulating Refractory Bricks for Furnaces & Kilns

JSS specializes in lightweight insulating fire bricks (soft fire bricks) for furnaces, kilns, and high-temperature equipment. We integrate manufacturing and exporting, providing 1260–1600°C grades with stable quality, fast delivery, and OEM/ODM customization.

From raw material control to forming, firing, and final inspection, we run strict QC for every batch. Share your working temperature, application, and required dimensions—our team will recommend the right grade and provide a quick quotation.

Our Products

We are the industry heads and produce the most reliable and trendy solution you are looking for.

Standard insulating bricks

 

High-quality JSS 23~30  series bricks with service temperatures ranging from 1260°C to 1650°C. Features low thermal conductivity and excellent energy-saving performance for various industrial furnaces.

Customized Shapes & Special Bricks

Tailor-made insulating bricks designed to fit your specific kiln structures. We provide precision machining and cutting based on your technical drawings and application requirements.

Integrated Supply Chain & Raw Material Security

Direct Sourcing: Raw materials from our own mineral processing plant.

Stable Supply: Constant reserve of over 300,000 tons.

Guaranteed Quality: Full control from raw minerals to finished IFB.

WhatsApp / WeChat: +86 17636519362 Email: sales@jssrefractory.com

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Our Contributions

Industries We Serve!

A stack of unglazed ceramic dishes arranged in a kiln for firing, ready for the final process.

Ceramics & Glass Industry

Provides critical high-temperature insulation for tunnel kilns, roller hearth kilns, and glass melting furnaces to ensure energy efficiency and uniform product quality.
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Petrochemical & Power Generation

Reliable lining materials used in ethylene cracking furnaces, reformers, and utility boilers. Our bricks offer excellent thermal stability and reduce fuel consumption.
A worker operates machinery in a factory with molten metal and intense flames.

Metallurgy & Steel Industry

Essential insulation used in blast furnaces, hot blast stoves, and heating furnaces. We help manufacturers minimize heat loss and lower operating costs in extreme environments.

Need Help with Easier Industrial Solutions? We Are Experts!

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Get a Quote

Please tell us the required temperature grade (°C), dimensions, quantity, and application (kiln / hot-face lining / backup insulation). We will reply within 12 hours with a quotation and lead time.