Niti Spring [2423]

£4.95
- +

In stock

Typical Delivery Time:1 - 3 days

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This nickel/titanium (NiTi) spring is made from shape memory alloy. At room temperature this spring is soft enough to pull out to approximately 50mm by applying a small force. When heated to 70°C by passing an electric current through it (or by other means such as hot water or a heat gun, etc), the spring contracts to its original length with a useful pulling force (equivalent to lifting a 0.5kg weight). Spring weight: 1.1g Dimensions:20mm (when closed), 5.5mm external diameter, 4mm internal diameter.