With the improvement of people’s living standards and the faster pace of work, the insulation of food that comes out has become an important issue. Young people who choose to travel and hike during holidays, and office workers who need to bring healthy meals, all need food insulation bags to solve their problems. EcoBagreen brings a new type of insulated food bags for the high-demand market, which brought great convenience to the young generation.
How do insulated food bags work?
As we all know, the thermal insulation bag has very good thermal insulation, cold storage, and fresh-keeping effects. Even if it is the scorching sun or the melting of snow and ice, the food inside is still intact and intact. Most insulated lunch bags are equipped with multiple layers of insulating materials, using a sandwich structure design, with an outer layer, an inner layer of composite material, and the middle insulation layer using PE polyethylene airbags. The surface layer is made of nano-coated high-purity composite aluminum foil (aluminum foil and glass fiber cloth can also be used), and the core layer is filled with nano flame-retardant materials (EPE/XPE foam, PE airbag/bubble film can be selected), which has significant heat insulation and heat preservation Effect. This design makes the product have good cushioning, heat insulation, and heat preservation effects. The aluminum foil has excellent barrier performance and good moisture resistance. Even if the heat reaches the middle PE airbag layer through the inner aluminum foil layer, it will form heat convection inside, and it is not easy to penetrate the outer aluminum foil layer, to achieve good heat preservation and heat-insulated effect.
To protect the insulation bag from being soiled by food or soup, the inner layer is generally composed of fabric composite materials such as waterproof and heat-reflective foils, and there are related food-grade material requirements. Heat reflection allows the foil material of the inner layer of the bag to reflect the heat radiated by the food back instead of absorbing it or letting the heat spread out of the bag.
Therefore, compared with ordinary bags and ordinary lunch boxes, the food in the heat preservation bag can be kept warm for a longer time.
