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Polyurethane Foam Hearts - Student Laboratory Kit

By: The Flinn Staff

Item #: AP8369

Price: $76.35

In Stock.

Make valentine hearts for that special someone! In this lab students create a heart out of polyurethane foam by mixing equal amounts of viscous liquids.

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This item can only be shipped to schools, museums and science centers

Product Details

Make valentine hearts for that special someone! In this lab students create a heart out of polyurethane foam by mixing equal amounts of polyurethane parts A and B. This lightweight foam expands to about 30 times its original liquid volume and will become rigid in about 5 minutes. The hearts can be shaped or colored to suit individual, student preference, combining art and chemistry in a way that will develop your students scientific reasoning skills. Complete for 24 students working in groups of 2.

Note: Adequate ventilation required.

Specifications

Materials Included in Kit:
Food dye, red, 10%, 30 mL
Petroleum jelly, foilpac, 5g, 12
Polyurethane foam system, part a, 473 mL
Polyurethane foam system, part b, 473 mL
Bags, recloseable, 12
Cup, polypropylene, individual, 24
Heart shaped cookie cutter, metal, 3", 12
Wood splints, pkg 100