There are may features of ceramic fiber board as below:
1 Light weight;
2 Easy to cut;
3 Lower thermal conductivity;
4 Lower heat storage;
5 Replace heavy back-up insulation with less steal;
6 Better thermal shock resistance;
7 Resist heavy gas erosion;
8 Resist chemical attack;
9 Easy to handle and install for furnace projects;
10 Lower sound transmission;
11 No asbestos;