Superfine Industrial Synthetic Diamond Powder for Mono-Crystalline Silicon or Poly-Crystalline Silicon. HPHT Single Crystal Structure: Produced via high-pressure, high-temperature synthesis with oriented crystal structure for self-sharpening. High Purity and Consistency: 99.9% purity with extremely high particle surface purity, narrow PSD, and batch quality consistency. Wide Size Range: Available in sizes from 0.05 to 60um, covering micron to sub-micron ranges for various applications. Premium Grade Options: HID A+ grade features nearly spherical shape, concentrated distribution, and low impurity content. Versatile Applications: Suitable for precision grinding, lapping, polishing of silicon, sapphire, optical glass, and ceramics. Fast Delivery Time: Standard delivery within 3-5 business days for efficient supply chain management. Multiple Grade Series: Offers HID A+, A, B, and G grades to meet different cost and performance requirements. Strict Quality Control: Raw materials from strictly controlled suppliers with low magnetic content and oversize control.