Boron Carbide Replacement Sandblasting Nozzle, extremely hard and wear-resistant. It does not react with acid and alkali, resistant to high temperature and high pressure, density ?2.46g/cm3. Microhardness ?3500kgf /mm2, bending strength ?400Mpa, melting point is 2450C. The service life: Steel Ball 2000-2500 hours, Quartz sand 1000-1500 hours, Corundum 500-1000 hours. Length:35mm/45mm/55mm/60mm/80mm, Diameter:20mm/15mm,Hole:3mm/4mm/5mm/6mm/7mm/8mm/10mm/12mm.
