常见的食用级材质

　　Common food grade materials

　　聚丙烯（PP）：PP 是一种常见的塑料材质，具有良好的耐热性和化学稳定性。它被广泛应用于食品包装领域，包括一次性外卖打包盒。PP 材质的打包盒通常可以承受一定的温度，适合盛放热食。例如，在一些快餐店中，常使用 PP 材质的外卖餐盒来打包汉堡、薯条等食物。

　　Polypropylene (PP): PP is a common plastic material with good heat resistance and chemical stability. It is widely used in the field of food packaging, including disposable takeaway packaging boxes. PP material packaging boxes can usually withstand a certain temperature and are suitable for holding hot food. For example, in some fast food restaurants, PP material takeaway food boxes are often used to package hamburgers, French fries, and other foods.

　　聚乳酸（PLA）：PLA 是一种生物可降解材料，由可再生资源如玉米淀粉等制成。它具有良好的透明度和强度，同时也符合食用级标准。PLA 材质的外卖打包盒在环保方面具有优势，因为它可以在一定条件下自然降解，减少对环境的污染。

　　Polylactic acid (PLA): PLA is a biodegradable material made from renewable resources such as corn starch. It has good transparency and strength, while also meeting food grade standards. PLA material takeaway packaging boxes have environmental advantages because they can naturally degrade under certain conditions, reducing pollution to the environment.

　　热塑性淀粉（TPS）：TPS 也是一种环保型材料，以淀粉为主要原料。与 PP 和 PLA 相比，TPS 餐盒的碳排放更低，能源消耗也较少。以 1000 个一次性外卖餐盒为基准流，TPS 餐盒累计释放 98.84 kg CO?，消耗 679.02 MJ 能源，与 PP 和 PLA 餐盒相比碳排放分别低 46.90%、28.30%，节省能源 4270.94 MJ、615.2 MJ。

　　Thermoplastic starch (TPS): TPS is also an environmentally friendly material that uses starch as the main raw material. Compared to PP and PLA, TPS meal boxes have lower carbon emissions and lower energy consumption. Based on 1000 disposable takeaway food containers, TPS food containers release a total of 98.84 kg of CO ? and consume 679.02 MJ of energy. Compared with PP and PLA food containers, TPS food containers have lower carbon emissions by 46.90% and 28.30%, respectively, and save 4270.94 MJ and 615.2 MJ of energy.

　　食用级材质的重要性

　　The importance of food grade materials

　　保障食品安全：食用级材质的一次性外卖打包盒能够确保食品在包装和运输过程中不受到有害物质的污染。这些材质通常经过严格的检测和认证，符合国家相关标准，能够与食品直接接触而不会对人体健康造成危害。例如，如果使用非食用级材质的打包盒，可能会释放出有害物质，如重金属、塑化剂等，这些物质会随着食物进入人体，对健康产生潜在风险。

　　Ensuring food safety: Disposable takeaway packaging boxes made of food grade materials can ensure that food is not contaminated by harmful substances during packaging and transportation. These materials usually undergo strict testing and certification, comply with relevant national standards, and can come into direct contact with food without causing harm to human health. For example, if non food grade packaging boxes are used, harmful substances such as heavy metals, plasticizers, etc. may be released, which can enter the human body with food and pose potential risks to health.

　　满足消费者需求：随着人们对健康和环保意识的提高，消费者越来越关注食品包装的材质。食用级材质的一次性外卖打包盒能够给消费者带来安全感，让他们放心购买和食用外卖食品。同时，一些消费者也更倾向于选择环保型的食用级材质，如 PLA 和 TPS，以减少对环境的影响。

　　Meeting consumer needs: With the increasing awareness of health and environmental protection, consumers are paying more and more attention to the materials of food packaging. Disposable takeaway packaging boxes made of food grade materials can provide consumers with a sense of security, allowing them to purchase and consume takeaway food with peace of mind. Meanwhile, some consumers are also more inclined to choose environmentally friendly food grade materials such as PLA and TPS to reduce their impact on the environment.

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