... ceramic fiber board. The ceramic fiber paper with the advantage of uniform quality , smoothly surface ,pure white color, the working ... , achieving the best insulation performance,with average density, hardness, strength of the highest uniformity ,products can be turning, milling, planing, grinding ... +SIO2+ZrO2---99ZrO2---15-17Fe2O3≤ 1.0≤0.2≤0.2≤0.2Na2O+K2O≤ 0.5≤ 0.2≤ 0.2≤ 0.2Size(mm)Length:600 ...