In {TAIL ~ another embodiment}, {HEAD ~ the facecoat region} is formed from a slurry composition including zirconium silicate and silica with stucco layer of alumina is included 
In
In { TAIL ~ another embodiment } , { HEAD ~ the facecoat region } is formed from a slurry composition including zirconium silicate and silica with stucco layer of alumina is included
REL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH