... phase α phase γ phase α phase Average particle size (nm) 30±5 10±5 30±10 SSA(m2/g) 15-30 180-240 15-30 Bulk ... , sword ware, high pure pot, roller, bombardment target, stove pipe; 5. Precision polish material, glass wares, mental wares, semi-conduct material ... . The front edge of Space aero craft airfoil. Dosage 1%-5% , user should choose the best dosage through tests in different ...