PCW Veneer Block / Polycrystalline Fiber Veneer Block / Module-Cut
Product Description:
Temp Grade: 1600°C, 1800°C
Density: 100kg/m₃
Specification:
• 30x100x200mm
• 50x100x200mm
• 100x100x200mm
Customized specification is acceptable.
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Polycrystalline Mullite Fiber Veneer Block
Polycrystalline Mullite Fiber Veneer Block is a lightweight, flexible and high-temperature insulation component made from high-purity polycrystalline mullite fiber through specialized cutting and compression forming. Also referred to as a PCW Veneer Block or Polycrystalline Fiber Veneer Piece, it is designed for demanding furnace insulation, hot-face insulation and high-temperature sealing applications.
Mindelun supplies custom Polycrystalline Mullite Fiber Veneer Block for industrial furnace manufacturers, heat treatment equipment manufacturers, refractory distributors, insulation contractors and other B2B customers. The material combines low thermal conductivity, low heat storage, low shrinkage and good thermal shock resistance for demanding thermal cycling conditions.
High-Performance PCW Veneer Block
The special fiber structure and flexible form of the PCW veneer block allow it to conform to selected furnace surfaces and insulation areas where rigid boards may be difficult to install. It provides lightweight thermal insulation while maintaining dimensional stability during repeated heating and cooling.
Key Features
- High-temperature stability for demanding furnace insulation
- Low thermal conductivity to help reduce heat transfer and energy loss
- Low heat storage for efficient furnace heating and cooling cycles
- Low linear shrinkage for improved dimensional stability
- Excellent thermal shock resistance during repeated thermal cycling
- Flexible and resilient structure for close contact with selected surfaces
- Good chemical stability under suitable operating conditions
- Low shot / low impurity structure for demanding insulation applications
- Custom cutting and compression forming according to project requirements
- Lightweight construction for easier handling and installation
Polycrystalline Mullite Fiber Veneer Block for Furnace Insulation
PCW veneer blocks are suitable for selected areas of high-temperature furnace insulation where flexibility, thermal sealing and dimensional stability are required.
Typical applications include:
- Steel heating and reheating furnaces
- Heat treatment and annealing furnaces
- Soaking furnaces
- Ceramic fast-firing kilns
- Shuttle, tunnel and roller kilns
- High-temperature electric furnaces
- Furnace doors and furnace covers
- Furnace door sealing and thermal sealing
- Expansion joints and insulation gaps
- High-temperature furnace lining
- Glass and other thermal processing equipment
For complete industrial furnace insulation systems, PCW veneer blocks can be selected together with other high-temperature insulation materials according to the furnace structure and operating conditions.
Custom Polycrystalline Mullite Fiber Veneer Block
Mindelun provides custom PCW veneer blocks for industrial furnace projects and OEM applications. Dimensions, thickness, shape and processing can be customized according to drawings, samples or installation requirements.
Customers can provide:
- Furnace or equipment drawings
- Required length and width
- Insulation thickness
- Working temperature
- Installation location
- Furnace lining structure
- Special shape or cutting requirements
This project-based approach enables Mindelun to supply suitable Polycrystalline Mullite Fiber Veneer Block for furnace manufacturers, engineering companies, refractory wholesalers, insulation contractors and industrial end users.
Polycrystalline Mullite Fiber Veneer Block Specifications
| 1 | Item | Unit | Test Result |
| 2 | Grade | / | 1600 veneer block |
| 3 | Specification temp | (℃) | 1600 |
| 4 | Working temperature | (℃) | 1450 |
| 5 | Color | / | Pure White |
| 6 | Density | (kg/m₃) | 100±15 |
| 7 | Permanent shrinkage Rate of liner (24h, density 200kg/m3 ) | (%) | 1 |
| (1500℃） | |||
| Thermal conductivity of each heat surface(density 200kg/m3) | 0.226（1000℃） 0.295（1200℃） 0.387（1400℃） |
||
| 10 | Al₂O₃ | (%) | 72 |
| 11 | Al₂O₃+SiO₂ | (%) | 99.8 |
| 12 | Al₂O₃+SiO₂+ZrO₂ | (%) | – |
| 13 | ZrO₃ | (%) | – |
| 14 | Fe₂O3₃ | (%) | – |
| 15 | Na₂O+K₃O | (%) | – |
| 16 | Thickness | (mm) | 30-100 |
| 17 | Width | (mm) | 100 |
| 18 | Length | (mm) | 200 |
Final specifications should be selected according to working temperature, furnace atmosphere, thermal cycling conditions, installation method and insulation requirements.
PCW Veneer Block vs. Other Fiber Insulation
Different furnace areas may require different forms of insulation. Polycrystalline Mullite Fiber Veneer Block is suitable where a flexible, compressed and specially cut fiber component is required.
For rigid high-temperature insulation, Mindelun also supplies Polycrystalline Mullite Fiber Board. Where flexible blanket insulation is preferred, Polycrystalline Mullite Fiber Blanket can be selected according to the application.
For furnace lining systems requiring pre-engineered modules, Ceramic Fiber Module provides another insulation option. This product combination allows industrial customers to select insulation according to temperature, structure, installation method and mechanical requirements.
B2B Polycrystalline Mullite Fiber Veneer Block Supplier
Mindelun supplies Polycrystalline Mullite Fiber Veneer Block for international B2B customers, including:
- Industrial furnace manufacturers
- Heat treatment equipment manufacturers
- Refractory material distributors
- Insulation material wholesalers
- Furnace lining contractors
- Engineering and EPC companies
- Steel and metal processing plants
- Ceramic and glass manufacturers
- High-temperature equipment manufacturers
As a professional Polycrystalline Mullite Fiber supplier and high-temperature insulation manufacturer, Mindelun supports customized production, project-based specifications, OEM requirements and factory-direct B2B supply.
Why Choose Mindelun?
Mindelun provides PCW insulation solutions for high-temperature industrial applications, including Polycrystalline Mullite Fiber Veneer Block, Polycrystalline Mullite Fiber Board, Polycrystalline Mullite Fiber Blanket and other thermal insulation materials.
If you are looking for a Polycrystalline Mullite Fiber Veneer Block manufacturer, PCW veneer block supplier, custom furnace insulation supplier or high-temperature fiber insulation manufacturer, send us your working temperature, dimensions, thickness, installation area and application. Contact Mindelun for product selection and a quotation.
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.
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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.