Low Density Calcium Silicate Board for Industrial Furnace & Kiln Insulation
Product Description:
Temp Grade: 650°C, 1050°C.
Density: 200-300kg/m₃
Specification:
• 1000 mm x 500mm x 20-120mm ( Thickness)
• 600mm x 300mm x 20-120mm ( Thickness )
Customized specification is acceptable.
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Low Density Calcium Silicate Board for Industrial Furnace & Kiln Insulation
Lightweight Thermal Insulation Boards for Industrial Furnaces, Kilns, and High-Temperature Equipment
MINDELUN low density calcium silicate board is designed for industrial thermal insulation applications where lightweight construction and reliable heat insulation are important. It can be considered for backup insulation in industrial furnaces, kilns, and selected high-temperature equipment, helping reduce heat transfer through furnace structures when properly specified and installed.
As a calcium silicate board supplier, MINDELUN supports furnace manufacturers, refractory contractors, kiln maintenance companies, insulation distributors, and industrial engineering projects with customized board dimensions, machining options, and OEM packaging.
Why Choose Low Density Calcium Silicate Board for Furnace Insulation?
Industrial furnace insulation needs to balance thermal performance, structural requirements, installation space, and operating temperature. Low density calcium silicate insulation board offers a rigid board format for applications where reducing insulation weight is an important consideration.
- Lightweight Insulation Structure: Helps reduce the weight of suitable furnace lining and insulation assemblies.
- Thermal Efficiency: Helps limit heat transfer through furnace walls and selected equipment structures when used as part of a properly designed insulation system.
- Rigid Board Construction: Provides a flat, solid format for lining systems and custom insulation components.
- Easy Cutting and Fabrication: Boards can be processed into specified dimensions and shapes, subject to the selected grade and machining requirements.
- Custom Manufacturing Support: Non-standard dimensions, thicknesses, and OEM packaging can be discussed according to project needs.
The appropriate grade should be selected according to operating temperature, installation position, mechanical loads, thermal cycling, and the requirements of the complete furnace lining.
Industrial Applications of Low Density Calcium Silicate Board
1. Industrial Furnace Backup Insulation
Low density calcium silicate board can be considered as a backup insulation layer behind a suitable refractory lining. It helps reduce heat transfer through furnace walls and supports the design of a lightweight multilayer insulation system.
2. Kiln Wall and Kiln Structure Insulation
For applicable industrial kilns, calcium silicate insulation board may be used in selected wall and structural insulation assemblies. The grade, thickness, and installation method should be determined according to kiln temperature and lining design.
3. Heat Treatment Furnaces
Selected heat treatment furnace structures may use rigid insulation boards as part of a multilayer thermal insulation system. Confirm the board’s service temperature and dimensional stability under the actual operating conditions.
4. Ceramic, Brick, and Other Industrial Kilns
Manufacturers and maintenance contractors can evaluate low density calcium silicate board for suitable kiln insulation projects where rigid board construction and reduced insulation weight are required.
5. Custom Furnace Insulation Components
MINDELUN can discuss cutting and machining boards into specified sizes for furnace lining projects, equipment assemblies, and other custom industrial insulation applications.
Application note: Low density calcium silicate board is not automatically suitable for direct flame contact or direct exposure to the highest furnace temperatures. Confirm whether the selected grade is intended for backup insulation or another installation position before use.
Low Density Calcium Silicate Board Specifications
| Physical properity | Unit | MINDELUN BRAND–1000℃ | GB/T10699 | JISA9510-1995 NO.1-22 | ASTM C533-2007TYPE-II | |||
| Bulk density | kg/m₃ | 200±10% | 230±10% | 250±10% | 300±10% | ≤220 | ≤220 | ≤352 |
| Bending strength | MPa | ≥0.35 | ≥0.45 | ≥0.50 | ≥1.0 | ≥0.30 | ≥0.30 | ≥0.344 |
| Compress Strength | MPa | ≥0.60 | ≥0.80 | ≥0.90 | ≥2.0 | ≥0.50 | ≥0.50 | ≥0.688 |
| Thermal conductivity at | W/m.k | ≤0.075(200±5℃) | ≤0.085(200±5℃) | ≤0.095(200±5℃) | ≤0.11(900±5℃) | ≤0.065(100±5℃) | ≤0.060(70±5℃) | ≤0.095(204±5℃) |
| Max using temp | ℃ | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 927 |
| Permanent shrinkage Rate of liner | % | ≤2(1000,16hrs) | ≤2(1000,16hrs) | ≤2(1000,16hrs) | ≤1.2(1000,3hrs) | ≤2(1000,16hrs) | ≤2(1000,3hrs) | ≤2(927,24hrs) |
| Length mm | mm | 500 | 600 | 1000 | 1000 | 1080 | 1220 | 1220 |
| Width | mm | 500 | 300 | 500 | 600 | 950 | 1220 | 1220 |
| Thickness | mm | 20-120 | 20-120 | 20-120 | 20-120 | 50–110 | 50–110 | 20–120 |
| SiO₂ | 46-48% | |||||||
| CaO | 39—41% | |||||||
| AlO₃ | 0.39-0.42% | |||||||
| MgO | 0.5-0.7% | |||||||
| Fe2O₃ | 0.3-0.4% | |||||||
| Na2-K2O | 0.9—0.12% | |||||||
| LOI | 8—11% | |||||||
| MINDELUN BRAND–650℃ | |||
| Physical properity | Modle | MDL-230 | MDL-250 |
| Bulk density | kg/m₃ | 230(±10%) | 250(±10%) |
| Compress Strength | Mpa | ≥0.50 | ≥0.60 |
| Bending strength | Mpa | ≥0.30 | ≥0.45 |
| Thermal conductivity at 100℃ | w/m.k | 0.06 | 0.062 |
| Max using temp | ℃ | 650 | 650 |
| Permanent shrinkage Rate of liner | % | ≤2 | ≤2 |
| Length mm | 100–600 | ||
| Width | 100–300 | ||
| Thickness | 30–100 | ||
| SiO₂ | 46-48% | ||
| CaO | 39—41% | ||
| AlO₃ | 0.39-0.42% | ||
| MgO | 0.5-0.7% | ||
| Fe2O₃ | 0.3-0.4% | ||
| Na₂-K₂O | 0.9—0.12% | ||
| LOI | 8—11% | ||
MINDELUN supplies calcium silicate insulation products for industrial applications. The final specifications should be confirmed for the selected low density grade.
For technical evaluation, request a data sheet that includes density, thermal conductivity at specified mean temperatures, linear shrinkage, compressive strength, and recommended application conditions.
How to Select Calcium Silicate Insulation Board for an Industrial Kiln
Choosing the right board requires more than checking its maximum temperature rating. Before selecting a calcium silicate insulation board for your furnace or kiln, consider the following factors:
- Operating temperature: Identify normal operating temperature, peak temperature, and temperature fluctuations.
- Installation position: Determine whether the board is used as backup insulation, structural insulation, or in another position.
- Required thickness: Evaluate available installation space and the thermal insulation target.
- Mechanical loads: Check whether the board will bear loads or experience pressure during installation and operation.
- Thermal cycling: Consider repeated heating and cooling and the associated dimensional stability requirements.
- Installation conditions: Confirm fixing methods, joint design, and compatibility with adjacent refractory materials.
For demanding furnace conditions, the complete insulation lining should be evaluated as a system rather than selecting a board based on a single temperature figure.
Why Source from MINDELUN?
MINDELUN provides industrial thermal insulation materials for B2B buyers, including furnace manufacturers, kiln contractors, refractory distributors, and equipment producers.
- Industrial Application Support: Discuss furnace temperature, lining structure, and required board specifications with our team.
- Customized Board Dimensions: Request non-standard dimensions or machining based on drawings and production feasibility.
- OEM Packaging: Discuss private-label packaging and product identification for distribution and project supply.
- Project-Based Quotation: Receive a quotation based on the selected grade, dimensions, quantity, and delivery destination.
- Related Insulation Materials: Compare our ceramic fiber board and industrial furnace insulation solutions when designing a multilayer furnace lining.
As a calcium silicate board supplier, MINDELUN works with industrial buyers to identify suitable insulation options based on project requirements, technical specifications, and purchasing needs.
Calcium Silicate Board Price for Industrial Furnace Projects
The calcium silicate board price depends on the selected density grade, board thickness, dimensions, order quantity, processing requirements, and shipping destination. Technical requirements for industrial furnace insulation may also affect material selection and the final quotation.
To receive an accurate price, please provide:
- Required density or product grade
- Board thickness, length, and width
- Estimated quantity
- Furnace or kiln application
- Normal and peak operating temperatures
- Installation position and any special processing requirements
- Delivery destination and preferred shipping terms
MINDELUN can review your requirements and provide a quotation based on the confirmed product specifications.
Frequently Asked Questions
Is low density calcium silicate board suitable for industrial furnace insulation?
It may be suitable for selected furnace and kiln insulation applications, particularly where a rigid, lightweight board is required. The appropriate grade and installation position must be confirmed against operating temperature, thermal cycling, and mechanical requirements.
Can calcium silicate board be used as backup insulation in a kiln?
Selected grades can be evaluated for backup insulation behind a suitable refractory lining. Confirm the product’s technical data and the design requirements of the complete lining before installation.
How do I choose the right thickness for kiln insulation?
The required thickness depends on operating temperature, target heat loss, available installation space, lining structure, and the thermal properties of the selected grade. A project-specific assessment is recommended.
What affects the calcium silicate board price?
Density, thickness, dimensions, order quantity, machining, packaging, and delivery terms all influence the quotation. Providing complete specifications helps reduce delays during price evaluation.
Can MINDELUN supply customized calcium silicate insulation boards?
Customized dimensions, cutting, machining, and OEM packaging can be discussed according to the selected grade, drawings, quantity, and manufacturing feasibility.
Request a Quote for Industrial Furnace Insulation Board
Looking for a calcium silicate board supplier for your industrial furnace or kiln project?
Contact MINDELUN with your required dimensions, thickness, quantity, operating temperature, and application details. Our team will help review the specifications and prepare a quotation for your industrial insulation requirements.
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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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.
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