产品型号 理论密度
Theoretical density
（g/cm³） 烧结温度
Sintering temperature
（℃） 松装密度
Apparent density
（g/cm³） 氧含量
Oxygen content
（%） 抗弯强度
Hardness range
（MPa） 胎体硬度
Bending strength
（HRB） X3-330 8.15 870 ≤3.0 ≤0.25 97-100 1200-1400
Main Component: Fe70%  Cu 30%
Application: Widely used in all kinds of diamond tools.
Features:
1. Good compactibily and superior than the other domestic products;
2. Excellent particle size distribution;
3. Low oxygen content, narrower fluctuation;
4. Outstanding hardness, bending strength and self-sharpening performance;