Sindanyo® has been developed to provide outstanding service in demanding thermal and electrical applications. It is manufactured from a mixture of cement and fibres. Sindanyo® is available in two different grades: L21 and H91.

Temperature: Up to +230°C (Sindanyo® L21). Up to +700°C (Sindanyo® H91)

Key Features: Strong and rigid with excellent insulation properties. Low thermal conductivity, high strength at higher temperatures and suitable for machined components. Sindanyo® L21 is primarily used as an electrical insulator. Sindanyo® H91 is used more as a heat insulator.

Applications: Rollers, pusher blocks, door insulation, furnace insulation, exhaust systems, forging of ferrous and non-ferrous metals, press tools.


Also available: Cemtherm® as an alternative to Sindanyo® for many applications. Rods and tubes also available upon request.

Sheet Size (mm) Sheet Thickness (mm)
- 6 10 12 15 19 25 32 38 50 75
1245 x 940 * * * * * * * * * *

*Denotes standard sheet availability.

Note: We also offer a full Machining Service. Please contact us for details.

Technical Specification:

Technical Data Sheet - Sindanyo® L21

Technical Data Sheet - Sindanyo® H91

Material Safety Data Sheet

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