Small Glass Beads 

 D50 = 0.32 mm 



Coarse Ground Glass 

 = 1.2 mm 



Ground Glass 

 ,62 mm 



lass Beads 

 50 = 0.60 mm 



Fine Ground Glass 

 Dk« = 0.3 mm 



10 30 50 70 90 98 



Percent Fmer 



Figure A-5. Test material sieve analysis data. 



74 



