Asbestos-free, flexible sheet insulation made from high-purity alumina-silica fibers.

TOPWOOL ceramic fiber paper is a lightweight, asbestos-free refractory material processed from a blend of high-purity alumina-silica fibers into a highly flexible, uniform sheet. Excellent slag-elimination technology is used, and a small amount of binder is added to keep the paper flexible and reduce off-gassing and odour during use.
It offers excellent thermal insulation and construction performance, is suitable for deep processing such as multi-layer composites and punching, and resists molten metal infiltration — making it ideal for casting washer separation in the construction and glass industries.
| Property | 1260 STD | 1400 HA |
|---|---|---|
| Classification temperature (°C) | 1050 | 1200 |
| Density (kg/m³) | 150–230 | 150–230 |
| Thermal conductivity | 0.045–0.060 W/(m·K) @200°C | — |
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