1.  Metal Bond

1)  HWDR-A, it is a Standard quality crashed diamond, impact and irregular shape, sharpness, yellow color, mainly applied
for cutting of precious stone, polishing of stone, ceramic and hard alloy products, and grinding wheel, abrasive brick
production.

2)  HWDR-B, it is an economical diamond powder, with lower toughness, irregular crystal shape, dark color, suitable for
lower processing intensity and precision requirement.

2.  Resion Bond

1)  HWDR-R01, compare to PDA321 or RVG, fragile, extremely self sharpening, suitable for the application of high free
cutting and high surface finish resin bond tools.

2)  HWDR-R02, compare to PDA221, resin bond diamond, Medium friability and toughness, rough surface,
irregular shape, it is good choice for high grinding rates and long life requirement..