Superior Abrasive for Sanding Surfboard Glass Jobs. The SIA abrasive range is a high performance abrasive due the SIA's patient innovative abrasive structure and very high quality materials. The ingenious stearate coating greatly reduces jamming and clogging of the abrasive, therefore reduces sanding time and in return saves money.
Optimum abrasive qualities
New flexible technology (when used with a Shapers Soft Pad, the abrasive will flex with the pad: Perfect for rails and concaves)
Extended product life
Consistent surface results thanks to optimum scratch depth (The grades are design to sand out scratches at every sage of board manufacturing).
New stearate concept for improved lifetime and less clogging
Guaranteed effectiveness on both Polyesters and Epoxy