Three Neck Round Bottom Badge Pin - Metallic Hard Enamel

One Three Neck Round Bottom Pin. Physical Chemistry Laboratory Series. Metallic pin that changes color from orange to purple when cooled to 0 degrees Celcius. 


Craft: Hard Enamel

Material: Zinc Alloy, Gold Plating

Dimension: 2.85 x 2.10 cm

Attachment: 2 Rubber Clutches


Thermochromic material degrades over time when exposed to light.

Three Neck Round Bottom Badge Pin - Metallic Hard Enamel

  • Three Neck Round Bottom Pin. Material is hard enamel on zinc alloy (gold plating) metal with two pink rubber pin backs. The material contains a thermochromic compound. 

  • Refund: All sales are final. No refund.

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