strange to get to 3 pages without the "technically" correct answer
aluminum silicate fiber
High temperature insulation wool http://www.alibaba.com/product-gs/20...cate_Wool.html Quote:
Production Technique
1The standard aluminum silicate wool is made from the chamotte of hard clay blown into floccose fiberafter melted in electric oven.
2High aluminous aluminum silicate wool is made from the mixture of high purity alumina and silica powders blown into floccose fiber after melted in electric oven .
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