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American Scientific Heat Packs

Reusable and portable pack to produce instant heat.

Supplier:  American Scientific 322703

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Catalog No. S13164

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  • Contains super saturated solution of water and sodium acetate
  • Chain reaction created by snapping metal disc crystallize solution which gives off heat
  • Recharged back to liquid state from crystallized state by boiling in water for 10-15 minutes
  • Includes teacherapostrophes guide
  • Available in two sizes: 4 x 4 in. and 8 x 8 in.


Heat Pack (20.3 x 20.3cm (8 x 8 in.))
Teacher's guide


Product Certifications


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