By Sharad Matade| Sep 17, 2021

Smither’s Suzhou Lab Gets Tyre Ozone Resistance & Low-Temp Durability Testing Machine

Smithers has ramped up its wheel and tyre testing laboratory in Suzhou, China, installing the ozone resistance and low-temperature durability testing capabilities for tyres.

The new machine, installed at the Smithers Tire and Wheel Testing lab, will serve tyre testing customers across the globe.

Tyres are exposed to various environmental stressors, such as temperature swings, UV rays, and more which influence rubber material properties and lifespan. Ozone can have a potent influence on rubber material properties and lifespan due to its solid oxidising abilities.

Explaining the new capabilities, Smithers said that the tyre industry relies on laboratory testing to measure ozone resistance. Most of this testing focuses on rubber compounds rather than whole tyres. However, inadequate ozone resistance can be a symptom of sidewall cracking in consumer tyres. To better test for this issue, the industry has been interested in options for ozone testing for whole tyres. Another issue currently faced by the industry is a limited number of options for conducting whole-tyre low-temperature endurance testing indoors. Most of this testing occurs outdoors.

“At Smithers, our top priority is to meet our clients’ needs and deliver accurate testing data, on time with excellent service,” said Henry He, General Manager, Tire and Wheel Testing Center Asia Pacific, Smithers Materials Science and Engineering Division.

“We invested in ozone resistance and low- temperature durability testing to our tire laboratory in Suzhou to help our clients evaluate the durability performance of whole tyres in a controlled, indoor environment. This will shorten the development cycle for our clients and lower their R&D costs.”

The new testing equipment can conduct ozone aging durability testing at an ozone concentration of up to 250pphm and maintain temperatures as low as -40°C for low temperature durability testing.

Under these conditions, expert test engineers can evaluate tire performance and durability at different speeds and air pressures and under different loads.

“Smithers is committed to fulfilling our promise of providing our clients with key testing capabilities to meet their changing R&D needs, said Derek Read, Vice President, Asia Region, Global Development, Smithers Materials Science and Engineering Division. “We chose to add this specific capability to support industry development in Asia and help our clients continue to improve their products for the global marketplace.”

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