dura-60 是一种由一级稀土氧化钇稳定的氧化锆粉为原料精制而成的四方氧化锆珠(tzp)。珠子内部平均粒径小于0.4μm的四方氧化锆微晶结构致密，确保珠子具有优异的断裂韧性和耐磨性，避免了对所研磨产品的交叉污染，是传统球磨机和现代珠磨机超细研磨的*选择。
dura-60 is one tetragonal zirconia polycristal (tzp) beads, which made from first grade yttria stabilized powder with sintered method. the sizes of internal micro crystalsareless than 0.4μm benefit excellent crushing strength and wear resistance, which guarantees cross contamination free to grinded products. it is a top option to deal with theultra-fineparticles in conventional ball mills and modern pearl mills.
密度specific gravity:            6.05kg/dm3
堆积密度bulk density:          3.6-3.8kg/l 
微观硬度micro hardness:        1300kg/mm2     
抗压强度compressive strength:   200kgf(2mm)    
粒径sizes:                     0.1-5.5mm
包装packing:                   25kg/桶

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