| 摘要 |
<p>An exhaust gas filter for internal combustion engine and of honeycomb structure comprising a ceramic fiber and inorganic binder, the ceramic fiber consists mainly of Al2O3 and SiO2, the inorganic binder including Al2O3 and SiO2 to bind the said ceramic fiber, and the inorganic binder is of single glass phase or of mixed phase of a glass phase and a crystal phase keeping the same crystal structure in the temperature range of 20 to 1200 DEG C, whereby, in the inorganic binder, any crystal such as quartz which produces abnormal expansion due to crystal phase transition is excluded, and occurrance of crack is prevented..</p> |
