E12.0903 |
Memory Metal Heat Engine |
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Features: |
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Simple, fun , easy for childer to understand the memory metal!
The memory metal wire's critical temperature is 53 centidegree. Put the small end 3-6mm into hot water, it will start to rotate like engine! It's rotate speed can be up to 600/minute.
Important Note: Show time cannot be over 2 minutes each time, othewise the wire will be easy to break cause of too much heat.
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Detail Specification: |
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Catalogue
No.
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E12.0903
Specification
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E12.0903-B
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Big,
25x12x2.5cm,
big wheel Dia.9cm, small wheel Dia.3.2cm, net weight 95g
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