... ,50mm,2pc/1cartonDelivery Detail:14 daysSpecificationsCeramic fiber manufacturer High Zirconium Ceramic fiber board Type:1260C/1360C/1430C ... thermal shock,flame and airflow attackResistance to corrosion,high compressive strength.High toughness,easy to cut and install quicklyAccurate ... 5Chemical composition (%) Al2O34647-4952-5539-40Al2O3+SIO2979999-Al2O3+SIO2+ZrO2---99 ZrO2---15-17Fe2O3<1.00.20.20.2 ...