METHERM CS 1050 — High-Temperature Calcium Silicate Board, Max 1050°C
METHERM CS 1050 high-temperature calcium silicate insulation board, max 1050°C continuous service. Non-combustible Class A1, dimensionally stable. Distributed by ThermalEast for industrial furnace, petrochemical, steel and glass plant insulation buyers worldwide.
Buyer Brief
METHERM CS 1050 is a rigid calcium silicate board rated to 1050°C continuous service — well beyond the 650°C ceiling of tobermorite-based boards. The xonotlite mineral matrix (Ca₆Si₆O₁₇(OH)₂) maintains dimensional integrity and compressive strength after repeated thermal cycling across the full rated range. Class A1 non-combustible, asbestos-free, machinable with standard tools. Standard sizes 600 × 600 mm and 1000 × 500 mm in 25–100 mm thicknesses.
Spec Snapshot
| Property | Unit | Value |
|---|---|---|
| Maximum service temperature | °C | 1050 |
| Primary mineral phase | — | Xonotlite (Ca₆Si₆O₁₇(OH)₂) |
| Typical density range † | kg/m³ | 200–950 |
| Thermal conductivity at 200°C † | W/(m·K) | 0.10–0.16 |
| Thermal conductivity at 600°C † | W/(m·K) | 0.15–0.25 |
| Fire classification | — | Class A1 (EN 13501-1) |
| Combustibility | — | Non-combustible |
| Asbestos content | — | None |
| CFC / HCFC content | — | None |
| Dimensional stability to rated temp | — | Yes — no measurable permanent linear change |
| Machineable | — | Yes — saw, drill, mill with standard tools |
† Values are typical for the METHERM CS 1050 grade class and vary with density sub-grade. Request CoA for certified test data on a specific density grade.
Use Cases
Reheating furnace sidewall backup insulation. Rigid CS 1050 boards bonded in staggered-joint courses behind hot-face castable at 950–1050°C, maintaining shell-contact temperature below design limits where mineral wool settles and fails.
Petrochemical reformer and hot gas line insulation. Retains structural integrity after steam-purge and water exposure at 800–850°C — a critical differentiator vs mineral wool in process environments.
Glass furnace crown backup. Dimensionally stable under repeated thermal cycling with Class A1 classification meeting both process engineering and building regulation requirements.
Aluminium smelter holding furnace walls. Lower density sub-grades minimise furnace thermal mass and reduce heat-up time between tapping cycles, directly improving production throughput.
Why ThermalEast
ThermalEast supplies METHERM CS 1050 at competitive pricing without the premium of European equivalents such as Promat Promatect or Skamol EX/DB, with full batch CoA and consolidated shipping.