The secondary ingredients comprise 0.02 0.10 wt % part SiO2 and 0.01 0.03 wt part Al2 O3 with respect to 100 wt parts of the primary ingredients, with {HEAD ~ the weight ratio} of {TAIL ~ SiO2} to Al2 O3 being from 1.5 to 5.0 
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The secondary ingredients comprise 0.02 0.10 wt % part SiO2 and 0.01 0.03 wt part Al2 O3 with respect to 100 wt parts of the primary ingredients , with { HEAD ~ the weight ratio } of { TAIL ~ SiO2 } to Al2 O3 being from 1.5 to 5.0
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH