Aldon Innovating Science Polyurethane Foam Chemical Demonstration Kit

Make your own foam and explain how when two viscous liquids are mixed together, they initiate a reaction producing a lightweight polyurethane foam which expands to 30 times the original volume of the two liquids. Kit Includes: 1 x 500mL Polyurethane Foam System, Part A (Mixture) and 1 x 500mL Polyurethane Foam System, Part B (Mixture). Aligned to the Next Generation Science Standards (NGSS).