Apperance             Partical size (nm)               Purity(%)                      Usage

needle-like                     60nm                              96%                   food,toothpaste      

needle-like                     40nm                              96%              general,proteinisolate  

needle-like                      20nm                             97.5%                  artificial bone

needle-like           20nm(W),150nm(L)               99%            artificial bone (high pure)    

short clavite         30nm(W),100nm(L)               99%            artificial bone,artificial joint     

fibrous                 10nm(W),500nm(L)                99%            artificial bone,artificial joint  

globular                           12um                              99%              artificial bone coating 

needle-like                     12um                               96%                    food,toothpaste