When used in applications with 1" of airspace and good airflow, this heat resistant material is capable of reflecting 90% of radiant heat. With the ability to withstand 594°C of radiant heat (requires minimum of 1" airspace) and 232°C of direct heat, this material is perfect for using underneath your floorpan to shield heat from your DPF, muffler, catalytic converter and exhaust system - or on the firewall to shield engine heat.
