| abstract |
The invention provides a kind of inorfil, it can suppress the impact produced human body or living environment, plays high Bc, and plays as applicable heat resistance such as the constituent material of filtering material or encapsulant etc.Inorfil of the present invention, is characterized in that, is less than the Al of 81 quality % containing more than 30 quality %n 2 on 3 , be greater than the MgO of 19 quality % to 65 quality % and the SiO of 0 quality % ~ 40 quality %n 2 , add up to Aln 2 on 3 , MgO and SiOn 2 containing proportional be more than the 98 quality % of fabric integer. |