hat
3. Élevé mete rezistans, pi long lavi sèvis 30-50 fwa pase pèl vè, 5 fwa pase pèl silikate ZIRCONIUM ak 6-8 fwa pase Al 2O 3 pèl.
eng
3.High wear resistance,longer service life 30-50 times than glass beads,5 times than zirconium silicate beads and 6-8 times than Al2O3 beads.