Copolyester copes with kitchen life
By Barry Copping
Posted 4 July 2012
Eastman Tritan: from smoothies to hard knocks
Kitchenware manufacturer Dualit has chosen Eastman Tritan copolyester for its new two litre blender jar.
Alex Gort-Barten, the company’s brand director, says: “When we launch a new kitchen device, it must maintain the reputation we have built with all cooks, from professional caterers to the committed home chef. Tritan won’t crack, break or become hazy in the dishwasher.”
The material is designed for a balance of desirable properties, including clarity, toughness and dishwasher durability, and is bisphenol A (BPA) free.
Gort-Barten continues: “Customers also benefit from the material’s toughness, clarity and aesthetic appeal. Kitchenware made of Tritan looks similar to glass but is much lighter and stronger. It has to stand up to hard knocks, and even the force generated by crushing ice cubes is not a problem.”
The new Dualit Blender features VortecS technology to create a thorough “multi-dimensional” mixing action, achieved through directional fins in the jar sides. The motor is rated at 1000W “to tame the toughest of ingredients”. Ice is crushed in 10 seconds, claims Dualit, and there is an auto pulse function.
Dualit was impressed by Eastman’s testing of Tritan to verify its resistance to kitchen conditions and detergents. The tests included multiple washing and drying cycles in commercial and domestic dishwashers. In these tests, Tritan showed continued resistance to stress cracking, claims Eastman, and “excellent” retention of toughness and shatter-proof characteristics.
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