Make your own foam and explain how when two viscous liquids are mixed together, they initiate a reaction producing a light weight 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)
1 x 500mL Polyurethane Foam System, Part B (Mixture)