The Freudenberg-NOK 0.210" 90 HNBR H901B O-Ring is engineered for durability and performance in demanding environments. Constructed from high-grade HNBR, it offers superior resistance to heat and chemical exposure. With a length of 8.225" and a diameter of 0.210", this O-Ring is suitable for various sealing applications, ensuring a tight and reliable seal. Rated at 90 durometer, it provides excellent compression set resistance, making it a dependable choice for industrial applications. This product meets relevant industry standards for quality and compatibility.