Calcium Silicate Insulation Board
High-Temperature Thermal & Fire Protection Solution
Product Overview
Calcium Silicate Insulation Board is a high-performance, rigid thermal insulation material specially engineered for high-temperature industrial applications. Designed to withstand continuous service temperatures up to 1000°C, this board delivers outstanding fire resistance, low thermal conductivity, and superior mechanical strength.
Its non-combustible, moisture-resistant, and asbestos-free composition makes it a trusted insulation solution for furnaces, kilns, boilers, power plants, petrochemical facilities, refineries, and steel industries. Lightweight and easy to install, calcium silicate boards ensure long-lasting, energy-efficient, and fire-safe performance.
What Is Calcium Silicate Insulation Board?
Calcium Silicate Insulation Board is a rigid, white-colored, high-temperature insulation material manufactured from carefully selected siliceous and calcareous raw materials, reinforced with fibers for added strength.
It is widely used for passive fire protection and thermal insulation in extreme heat environments due to its unique combination of:
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High mechanical strength
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Excellent thermal insulation efficiency
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Resistance to fire, moisture, and thermal shock
Why Choose Calcium Silicate Insulation Board?
Designed for industrial heat containment and energy efficiency, Calcium Silicate Insulation Board maintains its structural integrity even under extreme temperatures. It is ideal for insulating:
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Furnace linings
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Boiler walls
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High-temperature pipelines
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Fire-rated enclosures and partitions
This makes it a reliable choice for critical industrial and safety-focused applications.
Key Features & Advantages
High Temperature Resistance
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Suitable for continuous operation up to 1000°C
Low Thermal Conductivity
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Excellent insulation efficiency for reduced heat loss and energy savings
Moisture & Mold Resistant
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Hydrophobic properties ensure durability in humid or damp environments
High Mechanical Strength
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Strong compressive and flexural strength
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Maintains shape and performance under load
Non-Combustible & Fire-Resistant
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A1 Non-Combustible classification
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Withstands direct flame exposure without producing toxic smoke
Lightweight & Easy to Handle
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Faster installation with lower labor costs
Easy to Cut & Install
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Can be cut using standard hand or power tools
Asbestos-Free & Eco-Friendly
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Safe for workers and the environment
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No hazardous substances
Applications
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Furnace and kiln linings
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Fire doors, firewalls, and fire-rated partitions
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Petrochemical and refinery pipe insulation
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Power plant equipment insulation
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Boiler walls, chimneys, and stacks
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Steam pipelines and turbine housings
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High-temperature ducts and flue gas systems
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Fire-rated walls, ceilings, and industrial enclosures
Technical Data Sheet (TDS)
| Property | Typical Value |
|---|---|
| Density | 220 – 300 kg/m³ |
| Maximum Service Temperature | 1000°C (1832°F) |
| Thermal Conductivity | 0.065 – 0.11 W/m·K at 200°C |
| Compressive Strength | ≥ 0.35 MPa |
| Flexural Strength | ≥ 0.15 MPa |
| Moisture Content (Packed) | ≤ 5% |
| Water Absorption | ≤ 45% |
| Linear Shrinkage (1000°C) | ≤ 2% |
| pH Value | 7 – 9 (Neutral) |
| Color | White / Off-White |
| Fire Rating | A1 Non-Combustible |
| Standard Sizes | 1000×500 mm, 1200×600 mm |
| Thickness Range | 25 mm – 100 mm (Custom sizes available) |
Installation Guidelines
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Cutting: Use hand saws or electric cutting tools
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Fixing: Secure with mechanical anchors or high-temperature adhesives
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Joint Sealing: Apply suitable high-temperature sealants
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Handling: Wear protective gloves and masks to avoid dust inhalation
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Storage: Store in a dry, well-ventilated area away from moisture
Standards & Compliance
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EN 13501-1: Fire Classification – A1 Non-Combustible
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ISO 1182: Reaction to Fire Test
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ASTM C533: Calcium Silicate Block & Pipe Insulation
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Asbestos-Free: Compliant with WHO and RoHS requirements
Benefits for Industrial Use
✔ Reduces heat loss and improves energy efficiency
✔ Enhances fire safety and passive fire protection
✔ Extends equipment life by reducing thermal stress
✔ Lowers operational and maintenance costs
✔ Environmentally responsible insulation solution
Packaging & Delivery
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Packaging: Shrink-wrapped on pallets or moisture-resistant cartons
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Availability: Ready stock in multiple thicknesses
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Customization: Special sizes available on request
Why Buy From Us?
We are a trusted supplier of high-performance thermal insulation solutions for industrial and commercial applications. Our Calcium Silicate Insulation Boards are rigorously tested to meet international quality and safety standards.
With reliable supply, expert technical support, and competitive pricing, we help industries achieve maximum energy efficiency, safety, and long-term performance.
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