Here's why:
* Cellular structure: Cork is composed of dead cells with air-filled spaces. These air pockets act as insulators, slowing down the transfer of heat.
* Low density: Cork is lightweight due to its porous structure, which further contributes to its insulating properties.
This is why cork is used in applications where thermal insulation is important, such as:
* Bottle stoppers: Cork keeps wine cool and prevents oxidation.
* Building insulation: Cork is used in wall and roof insulation to improve energy efficiency.
* Flooring: Cork floors are known for being comfortable and insulating, especially in colder climates.
Overall, cork's low thermal conductivity makes it a valuable material for applications where heat insulation is required.
