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Disposable takeout storage box food containers
Disposable lunch boxes made of plastic mainly include PP polypropylene and PS polystyrene, which are non-toxic, tasteless and odorless. PP is soft. Generally, the service temperature of PP is - 6 ° C to + 120 ° C, so it is especially suitable for holding hot meals and dishes. It can be heated in microwave oven or even steamed in steam cabinet. The service temperature of modified PP can be controlled from - 18 ° C to + 110 ° C, The lunch box made of PP can not only be heated to 100 degrees, but also be put into the refrigerator for refrigeration.
PS is hard and transparent, but it is easy to tear. PS starts to soften when the service temperature reaches 75 degrees, so it is not suitable for hot rice and dishes, but PS has good low-temperature performance and is the best packaging material for ice cream.
In order to reduce the cost, some lunch box factories use PP as the box and PS as the box cover. The advantage is that the cover is transparent and PS is hard. It can be made of thinner sheets to reduce the cost. However, in this design, consumers must understand the differences between the two materials and remember not to put the whole box of lunch with the cover into the microwave oven for heating.
Microwaveable disposable plastic food containers
Kraft paper lunch box is made of 300-350g wood pulp paperboard as raw material, by cutting the paperboard, then forming by machine hot pressing and fixing the bottom. In order to prevent oil or water seepage, PLA film shall be attached to its surface. In the process of production and use, it is non-toxic and has no side effects on human body. However, the quality requirements for paperboard are high and the cost is high. Compared with environmental protection, it can be basically degraded and has little harm to the environment.
Kraft paper takeout food container
In terms of environmental protection, plant fiber lunch box has obvious advantages. It uses plant fiber extracted from rice straw, rice husk and bagasse as raw materials. Biodegradable lunch box is an advanced environmental protection product.
It takes starch as the main raw material, adds one-year growth period plant fiber powder and special additives, and is processed by chemical and physical methods to make a biodegradable fast food box. As starch is a biodegradable natural polymer, it is decomposed into glucose under the action of microorganisms, and finally into water and carbon dioxide.
In addition, the material blended with it is also a fully degradable material, so it can be said that it has no impact on the environment.
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