Flexible composite silicate insulation plate from rare earth cotton for medium-temperature applications up to 600℃.
Soft insulation plate made from rare earth cotton (magnesium silicate) offering flexibility and good thermal insulation at medium temperatures. Easy to install on curved and irregular surfaces.
Composite silicate plate is a rigid, lightweight insulation board combining a calcium-silicate matrix with reinforcing fibres, giving low conductivity and easy fabrication for equipment and building envelopes.
| Property | Value |
|---|---|
| Maximum service temperature | up to 650–1000°C (grade dependent) |
| Density | 200–400 kg/m³ |
| Thermal conductivity | ≤0.065 W/(m·K) at 100°C; ≤0.10 W/(m·K) at 400°C |
| Standard thickness | 25–100 mm |
| Standard dimensions | 600×900 mm, 1000×1200 mm and custom |
| Fire classification | A1 (non-combustible, EN 13501-1) |
| Composition | xonotlite calcium silicate hydrate reinforced with inorganic fibre; 100% asbestos-free |
| Standards | ASTM C533, EN 14306 |
Cut and fit with conventional tools, fix with adhesive, mechanical fasteners or within a panel system, and protect exterior faces with a weather barrier where required.
Manufactured to ASTM C533, EN 14306 and controlled under a documented quality system. Supplied by a manufacturer holding ISO 9001, CE and SGS certifications, exporting high-temperature insulation to 60+ countries since 1982.
Combines stable high-temperature performance with straightforward on-site fabrication. The material is asbestos-free, chemically stable in neutral and oxidising atmospheres, and supplied with full technical data sheets to support specification and inspection. Supplied by a manufacturer holding ISO 9001, CE and SGS certifications, exporting high-temperature insulation to 60+ countries since 1982.
Rosetexwool is a composite silicate insulation plate manufacturer and supplier serving more than 60 countries since 1982. Every composite silicate insulation plate is produced under a documented quality system certified to ISO 9001, CE and SGS, with batch-level traceability from raw material to finished product.
What our manufacturing capability covers:
For quotations, lead times or technical data sheets, contact our team with your specification and target service temperature. Explore the calcium silicate insulation hub for the full range, or read the calcium silicate insulation buying guide for selection support.
calcium silicate board insulation — Lower thermal conductivity than comparable hard blocks, which lets you cut lining thickness without giving up the temperature margin or the structural strength.
calsil pipe insulation — Moulded to standard pipe diameters so two halves close tightly on site, cutting installation time on long runs compared with wrapped or field-fabricated solutions.
refractory ceramic fiber blanket — Choose it when the lining has to survive repeated heating and cooling without spalling — low heat storage also shortens cycle time and cuts fuel per batch.
For the full calcium silicate range, temperature limits and strength data, see our calcium silicate insulation guide.
For adjacent material options across temperature and application ranges, explore our rock wool insulation hub.
For a deeper dive into forms, temperature ratings, and application guides, see our ceramic fiber insulation hub.
Part of the Calcium Silicate product family.
Last updated: September 30, 2026
Calcium silicate insulation boards can withstand continuous temperatures up to 1100°C. They offer high compressive strength and excellent dimensional stability, making them ideal for high-temperature pipe supports, furnace backup insulation, and aluminium smelter applications.
Calcium silicate offers significantly higher compressive strength (up to 6 MPa) than ceramic fiber blankets, making it the preferred choice for load-bearing insulation. It is supplied in rigid board form, easy to cut and machine. Ceramic fiber, however, offers higher temperature limits (up to 1430°C) and lower thermal conductivity in blanket form.
Absolutely. All our calcium silicate products are manufactured using an asbestos-free formula. They meet international health and safety standards including ASTM C533 and EN 14306, and are certified as non-hazardous material for transport and handling.
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High-strength calcium silicate insulation board (also known as calsil board) with excellent heat resistance and low thermal conductivity. Working temperature up to 1100C. A rigid silicate board ideal for industrial furnace and kiln lining.
Ultra-high density calcium silicate board (>500kg/m³) for applications requiring maximum mechanical strength.
Pre-formed calcium silicate pipe insulation sections for industrial piping systems with working temperature up to 1100℃.
