STI Electrical Box Insert Pad- STI-EP44/45

STI Series EP Power Shield Electrical Box Inserts install within steel electrical boxes directly agains the back of the box.  Property Value Color Red Expansion Begins 350°F (177°C) Expansion Range 350°F (177°C) to greater than 1,000°F (538°C) Volume Expansion 16x to 24x (free expansion) In Service Temperature Less than 130°F (54°C) Storage Temperature Less than 130°F (54°C) Oven Aging No Change (60°C)* Humidity Exposure No Change (60°C, 98% R.H.)* STC Rating (ASTM E 90-04) 64 (Relates to specific construction) Shelf Life No Limit