Four times greater working pressure versus non-reinforced PVC tubing. Excellent chemical resistance to weak acids, mineral salts, weak alkalies, plating solutions, water, and salt water. Maximum recommended operating temperature is 160ºF. Flexible Reinforced PVC Tubing- An economical reinforced PVC tubing, Versilon® NT-80 Tubing tubing features white polyester cord embedded within its walls. With a Shore A Durometer of 80 hardness, this clear flexible tubing meets FDA requirements for food handling.