... refractory. 2. Applications:♦ Wet and dry blasting♦ Grinding, lapping and polishing media♦ Resin bonded grinding wheels and segments♦ Resin bonded abrasive and coated ... , F320, F360, F400, F500, F600, F800, F1000, F1200Generally, we use 7 washing and 5 sieves for sieving the material. 4. Packing ...