Product Description
These remarkable springs, based on a brass alloy, ¡®remember¡¯ to open up when heated and close again when cool. If immersed in hot water at or around 90¡ãC they will open in a split second and close as quickly if dropped in cold water. Such springs have many industrial applications ¨C e.g., in sprinkler and fire damping systems where they replace expensive single-use only fusible links. Spring weight: 3g.
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