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Scheduled Maintenance:
Our website will be unavailable starting Friday, April 10 at 5:00 PM CST and will be back online Monday, April 13 at 6:00 AM CST.
We appreciate your patience.
Free Shipping on orders over $199
All students are captivated by the amazing demonstration in Polyurethane Foam: Physical and Chemical Changes—ChemTopic™ Lab Activity! Simply mix two liquids together, and watch as the mixture expands to about 30 times its original volume, resulting in a rigid yet lightweight polyurethane foam. Available as part of the Polymers—ChemTopic™ Labs digital collection. Click the Price link for digital collection pricing.
