Polycrystalline Mullite Fiber Board Supplier | PCW Insulation Board
Product Description:
Temp Grade: 1600°C, 1700°C, 1800°C
Density: 300kg/m₃–600kg/m₃
Specification:
• 25x600x900/1000mm
• 50x600x900/1000mm
• 75x600x900/1000mm
• 150x600x900/1000mm
Customized specification is acceptable.
Share
Polycrystalline Mullite Fiber Board
Polycrystalline Mullite Fiber Board, also known as Polycrystalline Fiber Board or PCW Insulation Board, is a rigid, lightweight high-temperature insulation material made from high-purity polycrystalline mullite fibers. It is designed for demanding thermal insulation applications where low thermal conductivity, low heat storage, low shrinkage, and excellent high-temperature stability are required.
As a professional Polycrystalline Mullite Fiber Board supplier and manufacturer, Mindelun provides PCW insulation boards for industrial furnaces, heat treatment equipment, petrochemical units, ceramic kilns, glass furnaces, and other high-temperature thermal systems. For applications requiring flexible high-temperature insulation, Polycrystalline Mullite Fiber Blanket is also available.
Key Features
- Excellent high-temperature stability for demanding furnace insulation applications
- Low thermal conductivity helps reduce heat transfer and energy loss
- Low heat storage supports faster heating and cooling cycles
- Low linear shrinkage helps maintain dimensional stability during repeated heating
- Excellent thermal shock resistance for thermal cycling applications
- Good chemical stability under demanding industrial conditions
- Lightweight and rigid structure for easy handling and installation
- Easy to cut and machine into required shapes and dimensions
- Custom thickness, dimensions and density available for project requirements
Applications of Polycrystalline Mullite Fiber Board
PCW insulation board is suitable for high-temperature equipment where rigid, lightweight insulation is required. Typical applications include:
- Steel reheating and heat treatment furnaces
- Annealing and continuous processing lines
- Petrochemical and reforming furnaces
- Aluminum melting and holding furnaces
- Glass melting and processing furnaces
- Ceramic and rapid-firing kilns
- High-temperature electric furnaces
- Furnace doors, covers and hot-face insulation
- Expansion joints and high-temperature gap filling
- Thermal insulation for high-temperature equipment
- Furnace backup insulation and thermal protection
Its combination of high-temperature resistance, low thermal conductivity and dimensional stability makes Polycrystalline Mullite Fiber Board suitable for industrial furnace insulation, particularly where stable insulation performance and low shrinkage are required during repeated thermal cycling.
Depending on the working temperature and furnace design, PCW board can also be used together with Ceramic Fiber Board to build a multi-layer thermal insulation system.
Polycrystalline Mullite Fiber Board Specifications
Actual specifications can be selected according to working temperature, furnace structure, insulation thickness, mechanical conditions and installation requirements.
| 1 | Item | Unit | Test Result | Test Result |
| 2 | Grade | / | Mullite | Mullite |
| 3 | Specification temp | (℃) | 1600 | 1800 |
| 4 | Working temperature | (℃) | 1450 | 1650 |
| 5 | Color | / | Pure White | Pure White |
| 6 | Density | (kg/m₂) | 300-600 | 300-600 |
| 7 | Permanent shrinkage Rate of liner (24h, density 300kg/m3) | (%) | ≤0.5 | ≤0.3 |
| (1450℃） | (1650℃） | |||
| Thermal conductivity of each heat surface(density 300kg/m3) | 0.22（1000℃） | 0.22（1000℃） | ||
| 9 | Compression strength (density 280kg/m₃) | (Mpa) | ≧0.5 | ≧0.06 |
| 10 | Al₂O₃ | (%) | 68 | 78 |
| 11 | Al₂O₃+SiO₂ | (%) | 99.5 | 99.8 |
| 12 | Al₂O₃+SiO₂+ZrO₂ | (%) | – | – |
| 13 | ZrO₂ | (%) | – | – |
| 14 | Fe₂O₃ | (%) | – | – |
| 15 | Na₂O+K₂O | (%) | – | – |
| 16 | Thickness | (mm) | 25/50/75/150 | |
| 17 | Width | (mm) | 600 | |
| 18 | Length | (mm) | 900/1000 | |
Custom PCW Insulation Board Supplier
Mindelun supplies custom Polycrystalline Mullite Fiber Board for distributors, wholesalers, furnace manufacturers, insulation contractors and industrial end users. Board thickness, density, dimensions, cutting and packaging can be customized according to drawings, samples or project requirements.
For furnace lining and high-temperature anchoring applications, Mindelun also supplies Ceramic Fiber Module, while PCW board is suitable where rigid and dimensionally stable insulation is required.
Why Choose Mindelun?
Mindelun provides factory-direct Polycrystalline Mullite Fiber insulation for international B2B customers. With customized production, technical product selection and export supply experience, we support customers looking for a reliable Polycrystalline Mullite Fiber Board manufacturer, PCW insulation supplier, or high-temperature insulation solution.
For a quotation, please send your required working temperature, board thickness, dimensions, density and application. Contact Mindelun for a suitable PCW insulation board solution.
Professional Insulation Materials Manufacturer in China
Mindelun supplies a comprehensive range of ceramic fiber, mineral wool, calcium silicate, silica fiber and advanced insulation materials for industrial applications. From standard products to customized insulation solutions, we help customers improve thermal efficiency, equipment protection and operating performance.
Send Us An Inquiry
Related products
-
Polycrystalline mullite fiber insulation
PCW Veneer Block / Polycrystalline Fiber Veneer Block / Module-Cut
Read more -
Polycrystalline mullite fiber insulation
Polycrystalline Mullite Fiber Board for industrial furnaces
Read more
Start Your Project With Mindelun Insulation Products
We are a professional and formal manufacturer of high temperature insulation materials. We mainly produce and sell products under our own brand with self-operated production and direct sales, without any middlemen trading links.
The core founding team has more than 14 years of in-depth experience in the insulation materials. Mindelun production team and cooperative manufacturing bases possess over 10 years of standardized mass production experience, with mature technology and stable production capacity.
Our product portfolio covers full-range general ceramic fiber insulation series and meet the needs of industrial furance heat saving needs. We also support personalized product customization like calcium silicate products, silica glass fiber products and minel wool insulation series according to clients’ market and end-user requirements.
We provide one-stop OEM/ODM customized manufacturing services for industrial insulation materials and building insulation materials. With extensive expertise in material selection, application-based quantity calculation, and custom-shaped component fabrication, our team delivers tailored solutions based on specific project requirements. From technical solution design, sample development, and mold opening to precision processing and mass production, Mindelun provides reliable full-process support for customized insulation solutions.
Full-range customization is fully supported. We can customize product size, package style, logo, providing one-stop solutions covering design, production and packaging.
Mindelun offers flexible order quantities, including sample orders, small retail orders, air shipments, 20GP, and 40HQ containers. One container can be mixed with at least 10 different products, helping wholesalers, retailers, distributors, and project customers reduce procurement costs through one-stop sourcing.
As a professional insulation materials supplier and wholesaler, Mindelun also provides flexible product specifications and quantities based on specific project requirements.