https://www.hwugu.com/product/hotel-supplies/epp-cooler/epp-cooler-h-45l.html。

Heat preservation: +90-+70 °C insulation 5-7 hours (fast food insulation, banquet meal, takeaway delivery)

preservation: 0-+10C insulation 12-24 hours (fruit, vegetables, drinks, etc.)

Refrigeration: -5-- 10C insulation for 8-10 hours (meat, fish, etc.)

Freezing: -12-18*C for 4-6 hours (ice cream, imported food, frozen products, seafood, etc.)