High density calcium silicate boards are chosen where compressive strength and dimensional stability matter as much as insulation.
Density vs strength
- 800 kg/m3 - balanced general industrial performance
- 850-980 kg/m3 - high strength and heavy load
- 1020 kg/m3 - industrial structural durability
- 1200 kg/m3 - maximum strength for extreme conditions
Temperature
High density grades are suitable for service up to 1100 C; continuous service is typically 1000 C depending on application.
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