Order early for pre-holiday delivery. Flinn will be closed December 24th, 2025,
through January 4th, 2026, reopening Monday, January 5th, 2026.
Orders received after 10:30 AM Central Time on Tuesday, December 23rd, 2025,
will ship after we return.
With the Quantitative Shielding: Penetrating Ability of Radiation Demonstration—ChemTopic™ Lab Activity, examine how different types of nuclear radiation interact with matter and what materials can be used to absorb each type of radiation. Available as part of the Nuclear Chemistry—ChemTopic™ Labs digital collection. Click the Price link for digital collection pricing.