... Type:STD,HP,HA,HZ 2.Classification temp:1260C 3.Density:280-600kg/ ... board. The ceramic fiber paper with the advantage of uniform quality , smoothly surface ,pure white color, ... best insulation performance,with average density, hardness, strength of the highest uniformity ,products can be turning, milling, ... high air flow, mechanical damaging large areas of industrial furnace wall lining, door and roof ...