You can just use thread seal tape for gas line as long as it's installed correctly although the yellow thread seal tape is the best for gas line.
You can also use pipe dope or pipe putty sealant to seal the gas line.
White pipe tape can be used on gas line such as natural gas line or propane line.
Also all Oatey thread sealant tapes are safe to use and will work on and with natural gas lines.
Yellow gas line thread tape however is much better for gas line installations but white pipe tape can be used.
Teflon tape is the most common pipe sealants.
It's used on all types of threaded pipe connections and comes in a variety of colors each meant for a different purpose.
Yellow tape is however the best pipe sealant tape for gas lines and meets all codes.
Yellow thread seal tape meets all gas company standards for gas lines of all types, be it butane, propane, or natural gas.
It's important to use the right thread seal tape for gas, and the yellow variety is the only safe choice.
The correct type of Teflon tape for gas fittings has a yellow color and is identified in the packaging as manufactured specifically for gas pipes and connecting gas lines.
This type of tape is known as gas-rated Teflon tape.
It is designed to accommodate all gas lines, including natural gas, propane and butane.