從顏色上看，合格的產品顏色均勻，質地相對細膩；不合格的產品顏色較深，著色不均勻，有些還添加了熒光物質，導致白色的外觀不太自然。

500508百万文字论文-百万文字论文500308-500507百万文字论坛综合资料转载-500507高清跑狗图马会资料-780790百万文字论坛红字From a color perspective, qualified products have uniform colors and relatively delicate textures; Unqualified products have darker colors, uneven coloring, and some even add fluorescent substances, resulting in an unnatural white appearance.

2.從口味道的角度來說，合格的產品沒有太多的味道；劣質產品通常有明顯的氣味。

From the perspective of taste, qualified products do not have too much flavor; Poor quality products usually have a noticeable odor.

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3. From the perspective of hand feel, qualified products are relatively soft and not easily broken when kneaded by hand; The surface of unqualified products is relatively rough, with poor flexibility, and it is easy to break when folded repeatedly by hand.

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Food boxes made of PS material are hard and prone to breakage, making them suitable for storing refrigerated food. It is not appropriate to heat food together in the microwave. The food box made of PP has good heat resistance, with a melting point of about 170 degrees Celsius. It can be heated in a microwave.

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6.應注意不同材料的塑料的溫度耐受和避免條件，不同的食品成分對餐盒有要求。

6. Attention should be paid to the temperature tolerance and avoidance conditions of plastics made of different materials, and different food ingredients have requirements for meal boxes.

7.脂肪和糖分含量高的食物不適合用塑料一次性餐盒包裝。

7. Foods with high fat and sugar content are not suitable for packaging in disposable plastic lunch boxes.

8.由于油的沸點往往超過塑料的耐火上限，食物中的油、糖和飯盒中的增塑劑等化學物質容易發生化學反應，導致有毒物質遷移，造成人體傷害。

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How to achieve the quality and safety of disposable tableware?

1.衛生清潔：產品透明度高，質地晶瑩剔透。產品的質量可以通過肉眼直接觀察雜質、污漬、指紋和劃痕以及二次使用來確定。它是干凈可見的。

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500508百万文字论文-百万文字论文500308-500507百万文字论坛综合资料转载-500507高清跑狗图马会资料-780790百万文字论坛红字2. Disposable: Disposable crystal tableware is a disposable product that is not reused and can prevent cross infection from repeated use, thus protecting oneself well.

3.：一次性航空水晶餐具采用食品級PS材料，耐酸、耐堿、耐高溫；無菌和性能等特點。

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4. Production according to standards: using high-precision automated equipment, high-temperature one-time injection molding, UV disinfection, automatic assembly line sterile packaging; Fully achieve sterile and dust-free operation from production to packaging.

5.快速消費品：具有消費周期短、補充消費大、產品服務周期短、市場大的特點；

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6. Waste recycling: Recycling discarded disposable lunch boxes for industrial raw materials, granulation sales, increasing two-way revenue, and turning waste into treasure.