BATTERY WRAP ACID ABSORBING HEAT BARRIER KIT The World’s only acid neutralizing heat barrier mat. It reflects over 90% of radiant heat, traps and neutralizes battery acid, protects against corrosion, is recyclable, protects the environment, and is inexpensive and easy to install. The Battery Heat Barrier Kit is completely safe to handle before and during installation. It is used by all branches of the United States military.