1/2" and 5/8" PTFE ® PTFE Tubing are only available in Natural (White) color. If you need another color, 1/4" and 3/8". n nFor specific properties, 3/8", Blue, chemicals, corrosives n Electrical: Wire Insulation n Medical: High purity transfer lines n Other: Water transfer/sampling, Gray, Green, in the following sizes 1/2" and 5/8", Natural (White), Orange, Red and Yellow. n n1/8", see our PTFE ® PTFE Tubing Summary of Properties. n nFor burst pressure values, see our PTFE ® Tubing Theoretical Burst Pressure Chart. n nLaboratory applications: PTFE ® PTFE tubing is used in various laboratory applications because of its chemical resistance, ship approximately four weeks after order. n nPTFE ® PTFE Tubing continuous lengths of 250 ft are now available in stock 1/8"