BIOTAF FLAP DISC - ZIRCONIUM DISCS - CARTON FIBER BACKING Eco-friendly meets high performance. With an eco-friendly carton fiber backing TAF Abrasives USA BIOTAF Flap Disc is easy to recycle. Offers High Strength + Efficiency. Without Backing Pad - Soft Approach + More Comfort and Vibration Reduction. With Backing Pad - Aggressive Approach for Fast Stock Removal and Improved Performance. Suitable for universal grinding applications on carbon steel at moderate working pressure. Benefits: Contamination-Free, Eco-Friendly, Adaptable - Changeable for Soft or Aggressive Approach These flap discs are made with a state-of-the-art machinery with a patented backing pad in extremely eco-friendly carton fiber, ensuring the flap discs very high strength and efficiency during grinding.