This product is pure rare earth polishing powder obtained through strict process control of rare earth raw materials, without the addition of alumina, zirconia. silicon oxide, calcined kaolin and any other non-rare earth abrasive materials.This product can adjust the suspension according to the customers" using condition, in order to meet the requirement of customers.This product controls the content of large particles strictly to guarantee the polishing accuracy of the product and avoid scratches.Have no corrosive substances, no undissolved fluoride ions, and no harm to operators and polishing machines.