Smart Springs

A 5mm dia x 12mm (when closed) spring made from nickel/titanium alloy. At room temperature this spring is soft enough to pull out to approx 50mm by applying a small force. When heated to 70 deg C by passing an electric current through it, the spring contracts to its original length with a useful pulling force (equivalent to lifting a 0.5kg weight).

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CodeDescriptionPack SizeQtyPriceBuy
WSM00002Smart Spring
5mm dia x 12mm


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