Good hydrophilic, resistant to oil  immersed. 
High hardness , wear resistance,  and good pressure resistance. 
Easy to backwashing and  regeneration . It can be directly  used for backwashing before  filtering 
Strong adsorption and dirt -cutting  ability. Its adsorption rate is 27 – 50%. 
Easy to dissolve in acid and alkali  solution 
Packaging =  Jumbo Bag, 25 KG Bag 
