Plastic pipes are not recommended for use with gas because they are not as durable or heat-resistant as other materials, such as metal pipes. Gas can be extremely flammable and pose a serious safety hazard if not properly contained and transported through a safe, durable pipe.
Plastic pipes are often used for water supply lines or drain lines because they are lightweight, easy to install, and cost-effective. However, they are not recommended for use with gas because they can be damaged by exposure to the heat and chemicals in natural gas or propane. They can also become brittle over time and crack or break, causing a gas leak.
Instead, gas pipes are typically made of materials such as steel or copper, which are strong, durable, and able to withstand the extreme temperatures and pressures of gas transport. It's important to use the appropriate type of pipe for gas and to have the installation done by a licensed professional to ensure safety and compliance with local codes and regulations.