Non-pneumatic tires replace air pressure with an engineered geometric structure, removing flats and pressure maintenance, but that structure depends on the polymer it is molded from. This episode compares Arnitel (a TPC / polyester elastomer) with TPU on flex-fatigue endurance, creep resistance and temperature range, and explains how longer service life lowers downtime, cost and CO2.
Non-pneumatic tires (NPTs) use a precise geometric web rather than air to carry load and absorb shock, which removes the risk of punctures, blowouts and daily pressure checks. Performance depends on the polymer: standard rubber generates too much heat and adds weight under high-speed flexing. The white paper makes the case for Arnitel — a thermoplastic copolyester (TPC, also referred to as TPEE) — over TPU across the properties that matter in the repeated compression-and-recovery cycle: flex-fatigue endurance, high load-bearing capability and dynamic creep resistance, which prevents permanent flat spots after standing under load. It also covers a roughly -30 to +100 C operating window, good low-temperature ductility, and resistance to hydrolysis, chemicals and microbial attack. As a thermoplastic, Arnitel is re-meltable and recyclable. With a service life cited at two to three times that of pneumatic tires, NPTs reduce downtime and total cost in agriculture, construction, mining, ATV/UTV, golf and lawn-care fleets, and lower lifecycle CO2 — reliability that becomes more important as off-highway vehicles move toward autonomy.