Road Tube: Natural Rubber Formula 60 Durometer

Natural rubber road tube is more flexible than EDPM formula, though not as resistant to the effects of ozone and ultraviolet light. Highest quality 60 durometer natural rubber. Inside diameter 1/4″ (or 3/16″) ± 1/64″; outside diameter 9/16″ ± 1/32″; maximum specific gravity 1.20; tested according to ASTM D 412 with minimum tensile strength of 2500 psi and minimum elongation of 400%. After elongation, not over 10% increase in length. After exposure to minus 10 F, tube will bend around a 11/4″ outside diameter mandrel without cracking. After exposure to plus 175 F for 5 hours, tube, when depressed, will return to original state upon being released. Inside of tube is clean, smooth, and free from foreign material. Lengths of 100′ or 120′ packed 3 lengths per box. Sold in box quantities. In stock. 

Part # Description
1331 ¼” ID, 300 feet per box, 100 foot lengths
1332 ¼” ID, 360 feet per box, 120 foot lengths
1333 3/16″ ID, 300 feet per box, 100 foot lengths
1334 3/16″ ID, 360 feet per box, 120 foot lengths