Arnco offers polyurethane flatproofing fill to eliminate flat tire conditions. It can withstand up to .50 caliber ballistic rifle shots, is puncture resistant from shrapnel and battle debris, and prevents tire blowouts. Arnco flatproofing technology chemistry can be optimized for tire/wheel assemblies to work in any tire with a sound casing. It also has superior shock absorber properties. For more information visit www.arnconet.com or call (805) 233-2817.