Ceramic fiber resilience rate
Ceramic fiber is used as a sealing material for high-temperature gas and is required to have certain resilience (compressional recovery).The resilience of refractory fiber blanket refers to its recovery capacity after the thickness of the refractory fiber product is compressed to 50% of the original thickness. It is expressed as the ratio of the thickness after unloading and recovery to the original thickness.
What is the qualified rebound rate standard for ceramic fiber blankets?
National standards for refractory fibers and products stipulate that the resilience of refractory fiber blankets must exceed 80%, while there is no mandatory requirement for the resilience of other fiber products. For example, a 50 mm thick Aladdin ceramic fiber blanket is compressed to 25 mm under specified pressure and held for 5 minutes, then the load is released. The qualified elastic recovery rate shall be no less than 80%, which means the recovered thickness after rebound shall not be less than 40 mm.
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