How To Identify The Authenticity Of Disposable Tableware And Lunch Boxes?
author: Iris
2024-03-29
Currently, most of the products on the market are biodegradable lunch boxes. So, how to identify the authenticity of biodegradable Chinese take out container? What are the main ingredients of biodegradable lunch boxes? How do we identify the authenticity of biodegradable disposable lunch boxes?
How To Identify The Authenticity Of Disposable Tableware And Lunch Boxes?
1) Touch
Counterfeit products feel soft to the touch and can easily break if not careful.
2) Smell
Counterfeit products smell pungent and are prone to deformation and leakage when exposed to heat;
3) Color
The color of counterfeit products is darker and there is serious oil and water leakage;
4) Trademark
There is no factory name, no trademark, and no production date on the packaging boxes and lunch boxes; Counterfeit tableware is heavier than qualified products and will sink easily when placed in water after being torn into pieces (qualified products have a specific gravity of less than 1 and will not sink).
1. What are the main ingredients of biodegradable lunch boxes?
There are generally two types of degradable lunch bento to go box on the market. One is made of natural materials, such as straw, starch, paper products, etc.; the other is mainly made of plastic with starch, photosensitizers and other substances added.
The raw material for manufacturing degradable square bento box is degradable plastic. The so-called degradable plastic means adding certain additives during the production and processing of plastic, such as starch, photosensitizer and other raw materials. After degradable plastic products are used and discarded, they can be broken down into small fragments after being exposed to nature for about three months. However, this technology has not been completely perfected. If these fragments need to be completely degraded, it will take a very long time. However, changing from large pieces of plastic to small pieces is not fundamentally qualified for the task of eliminating white pollution. This technology still requires scientists to continue to work hard to make up for the shortcomings.
2. Degradation can be divided into two types: "degradable" and "fully degradable".
Degradability refers to adding a certain amount of additives (such as starch, modified starch or other cellulose, photosensitizers, biodegradants, etc.) during the plastic production process, that is, PE + degradation agent; or adding starch or stone powder to make it stable decline and are easier to degrade in the natural environment. Although this kind of plastic product can be degraded, it cannot be completely degraded. In addition, some degradants themselves have certain environmental pollution hazards, which is one of the reasons why we should fully advocate fully degradable plastics.
The current sources of fully degradable products are mainly corn, cassava, etc. that are processed into lactic acid, which is PLA.
Polylactic acid (PLA) is a new type of biological substrate and renewable biodegradable material. The starch raw material is saccharified to obtain glucose, which is then fermented with glucose and certain strains of bacteria to produce high-purity lactic acid, which is then synthesized into a certain amount through chemical synthesis. Molecular weight of polylactic acid. It has good biodegradability and can be completely degraded by microorganisms in nature under specific conditions after use, eventually producing carbon dioxide and water without polluting the environment, which is very beneficial to protecting the environment.
The stackable function of disposable lunch boxes
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