Flexovit ZIRCOTEX Premium Type 27 and Type 29 Flap Discs are made with premium zirconia alumina abrasive cloth backed by a high strength fiberglass disc. ZIRCOTEX premium zirconia alumina discs are extremely productive and efficient. Ideal for high production grinding, blending, deburring and finishing, they perform well on a wide variety of materials including stainless and carbon steel. This durable grain resists loading or clogging on softer materials such as aluminum, brass, bronze and