Professional Manufacturer Since 2008
We manufacture and supply calcium silicate boards for thermal insulation, fire protection and industrial applications. Our product range covers density from 250 kg/m³ to 1200 kg/m³ with custom sizes, CNC machining and OEM production support.
Density 250–1200 kg/m³
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A complete product line — from lightweight low-density insulation boards to ultra-high-density structural grades, fire rated boards and custom CNC machined parts.

Lightweight, low thermal conductivity boards for general and high-temperature thermal insulation up to 1050°C.
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High mechanical strength grades up to 1200 kg/m³, compressive strength up to ≥23 MPa, rated to 1100°C.
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Non-asbestos, A1 non-combustible boards for fire doors, fire walls and certified passive fire protection.
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CNC machining and custom shaped calcium silicate components manufactured to your drawings and tolerances.
View Service →Density Selection Guide
Calcium silicate board performance is driven by density. Use the guide below to match a grade to your strength, load and temperature requirements.
Performance Data
Verified Technical Data According to Typical Production Standards — full density range from 250 to 1200 kg/m³.
| Density | Grade / Use | Max Service Temp | Compressive Strength | Flexural Strength | Thermal Cond. (800°C / 1472°F) |
|---|---|---|---|---|---|
| 25015.6 lb/ft³ | Ultra Insulation | 1050°C1922°F | ≥ 1.0 MPa≥ 145 psi | ≥ 0.55 MPa≥ 80 psi | ≤ 0.165 W/m·K≤ 1.14 BTU·in/hr·ft²·°F |
| 30018.7 lb/ft³ | Industrial Insulation | 1100°C2012°F | ≥ 2.0 MPa≥ 290 psi | ≥ 1.2 MPa≥ 174 psi | ≤ 0.170 W/m·K≤ 1.18 BTU·in/hr·ft²·°F |
| 65040.6 lb/ft³ | General Purpose | 1000°C1832°F | ≥ 5.0 MPa≥ 725 psi | ≥ 3.0 MPa≥ 435 psi | ≤ 0.19 W/m·K≤ 1.32 BTU·in/hr·ft²·°F |
| 80051.2 lb/ft³ | N-17 Carbon Fibre | 1100°C2012°F | ≥ 21 MPa≥ 3045 psi | ≥ 7.6 MPa≥ 1102 psi | ≤ 0.14 W/m·K≤ 0.97 BTU·in/hr·ft²·°F |
| 85053.1 lb/ft³ | N-14 Structural | 1100°C2012°F | ≥ 14 MPa≥ 2030 psi | ≥ 6.1 MPa≥ 885 psi | ≤ 0.16 W/m·K≤ 1.11 BTU·in/hr·ft²·°F |
| 98061.2 lb/ft³ | Thermal Shock | 1100°C2012°F | ≥ 15 MPa≥ 2175 psi | ≥ 7.0 MPa≥ 1015 psi | ≤ 0.22 W/m·K≤ 1.53 BTU·in/hr·ft²·°F |
| 102063.7 lb/ft³ | Molten Aluminum | 1100°C2012°F | ≥ 17 MPa≥ 2465 psi | ≥ 8.5 MPa≥ 1233 psi | ≤ 0.23 W/m·K≤ 1.59 BTU·in/hr·ft²·°F |
| 120074.9 lb/ft³ | High Strength | 1100°C2012°F | ≥ 23 MPa≥ 3335 psi | ≥ 15 MPa≥ 2175 psi | On request |
All grades are non-asbestos and A1 non-combustible. Density tolerance ±10%. Continuous service temperature for the 800–1020 kg/m³ high-density grades is 1000°C (1832°F); 1100°C (2012°F) is the maximum / peak service temperature. The 650 kg/m³ grade is made-to-order; values are indicative and confirmed on request.
Applications
Our boards are widely used across industrial furnaces, fire protection, metallurgy, cement and power generation.
Furnace lining & high-temp insulation
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Certified fire-resistant cores
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Direct metal contact grade
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Kiln & preheater insulation
View Case →Heat-resistant fireplace lining.
⚡Boiler walls, ducts & piping.
🏭Back-up & hot-face insulation.
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Technology
Technical resources to help engineers specify the correct calcium silicate board for every project.
From xonotlite slurry to finished board. Read →
λ values from 20°C to 800°C. Read →
Thermal resistance by thickness. Read →
Service vs. classification temperature. Read →
Load-bearing data by density. Read →
All technical articles. Browse →
Why Choose Us
Direct Manufacturing — production capacity, quality control and export experience you can rely on.
No middlemen — direct factory pricing and lead times.
OEM & private-label production to your specification.
Custom sizes, thicknesses and CNC shaped parts.
Quality control across the full manufacturing process.
Reliable logistics with secure export packaging.
Exporting to USA, Korea, Germany, Spain, India & more.
FAQ
Inquiry
Send us your application and requirements. Our engineers will reply with density recommendations, technical data sheets and a factory-direct quotation.