Equalseal.com offers a full range of commercial and industrial grade rubbers, in lengths in lineal ft. Based on your needs, you can choose from a variety of compounds including, Natural Pure Gum Rubber and synthetic elastomers like SBR Red Rubber, EPDM, Neoprene, FKM Fluoroelastomer, Silicone, and BUNA-N (Nitrile) in both black and FDA white. All of our rubber products are manufactured to meet or exceed ASTM specifications. Make note that in some compounds, different durometers are available. Durometer is a term that is used to indicate the hardness of the rubber. The higher the durometer, the harder, the lower the number, the softer. All of our rubber products are manufactured to meet either commercial grade specifications, industrial grade, pharmaceutical grade, or food grade.