Metal material cooler
The metal box is one of the multi-functional equipment of cargo shipping, commodity storage and commodity circulation.The shortcomings is too cumbersome, the metal surface is easy to heat up under the sun, heat transfer faster, not removable, easy to scratch skin by the edges and sharp corners.
Its shortcomings is poor insulation performance. The advantage is that the cooler price is low, it is also bulky, inconvenient to carry, not removable, Rough edges is not safe for children.
This kind small cooler generally use oxford cloth or nylon cloth, light weight, good abrasion performance, with non-slip feet on the bottom, and so on. Food warehouse is usually made of aluminum foil material, use PE cotton insulation to keep cold, can be directly touch food, although it’s easily to be squeezed place in a soft bag, insulated time is short, but because they are easy to carry with low cooler prices , now is popular all over the world.
As we know ,plastic has been widely used in various fields of daily life, made of plastic products such as plastic bags, plastic cups, plastic bottles, etc., because the production of large, low cost, light and other advantages can be seen everywhere, but also as one of the most common material, according to different materials and technology