iron pad cover_outdoor table cloth with umbrella hole

3M also makes an electrical tape made of silicone rubber for applications where Class “H” (180°C/356°F) temperatures are encountered i.e., silicone rubber cables.
 

Constant wattage heat tape maintains a consistent heating output regardless of environmental conditions. While it can be more effective in areas with stable temperatures, users must carefully monitor and manage the system to prevent overheating and ensure safety.