The composition includes a blended mixture of {HEAD ~ cellulose fiber}, mineral wool, boric acid and {TAIL ~ expanded silicate glass} 
The composition includes a blended mixture of { HEAD ~ cellulose fiber } , mineral wool , boric acid and { TAIL ~ expanded silicate glass }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL