ceramic bead blasting for watch case

{"cid":"91190548","title":"JZB120 Ceramic Beads Blasting Media For Casings Surface Finishing","imgUrl":"https:\/\/img.ismap.com\/nimg\/76\/d4\/d4ae82146e624b201e26b04f2ff3-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"Zhengtong","Model Number":"B20-B400","Minimum Order Quantity":"100KGS","Delivery Time":"5-10 days","Place of Origin":"Zhengzhou","Supply Ability":"1500mt per year","Packaging Details":"12.5kgs\/barrel, 25kgs (2 barrels)\/paper carton, or 25kgs barrels +pallet","Commodity Name":"Ceramic beads blasting","Chemical Index":"ZrO2 60-66%, SiO2 25-30%, Al2O3 7-13%","Manufacturing process":"Melting method","Bulk Density":"2.3g.cm3","True Density":"3.85g\/cm3","Hardness":"700HV","Package":"25kgs paper cartons or 25kgs barrels +pallet","Certification":"N\/A"}}