SKU: 496244 Save0% RENFERT - Renfert Prebonder surface pro, a 50 micron aluminum oxide blasting abrasive with defined grain size distribution, particle shape, hardness and purity, developed for clinical surface conditioning of restorations prior to final adhesive cementation, supplied as four 500 gram bottles, article number 15970050. - # 15970050 Model Prebonder Surface Pro Feature 50 micron Al2O3 Package 4pk Sizes 500g - + $65.00 $64.85 Add to cart Manufacturer # 15970050 Manufacturer RENFERT SubModel 50 Micron Style Blasting Abrasive Colors White Feature Defined grain geometry Feature 4 x 500g Diameter 50 micron grain Width 5.5in Height 5.5in Length 5.3in ETD 5 DAYS Add to favorite