Rollers PBO PBO Everwear Roller Covers are capable of withstanding operating temperatures of up to 550˚ C / 1022˚ F. PBO’s high strength provides superior performance for high temperature extrusion applications. Kevlar ® Kevlar ® Everwear Roller Covers are capable of withstanding operating temperatures of up to 480˚ C / 896˚ F. High strength and superior abrasion resistance make it a preferred product for extrusion run out tables. Nomex ® Nomex ® Everwear Roller Covers are capable of withstand- ing operating temperatures of up to 250˚ C / 482˚ F. Nomex ® provides a stable and high temperature product well suited to conveying extrusions as they begin to dissipate heat. Polyester Polyester Everwear Roller Covers are capable of withstanding operating temperatures of up to 180˚ C / 356˚ F. Low cost, long life and a soft surface make this product a perfect solution for low temperature extrusion conveying and processing applications.