The meaning of the plastic cup mark(2)

5. PP polypropylene(plastic cup)
Common soymilk bottle, yogurt bottle, fruit juice beverage bottle, microwave oven lunch box. The melting point is as high as 167 ℃. It is the only plastic box that can be put into the microwave oven and can be reused after careful cleaning. It should be noted that for some microwave oven lunch boxes, the box body is made of No. 5 PP, but the box cover is made of No. 1 PE. Because PE can not withstand high temperature, it can not be put into the microwave oven together with the box body.

6. PS polystyrene(plastic cup)
Common bowl instant noodles box and fast food box. Do not put it in the microwave oven to avoid releasing chemicals due to excessive temperature. After containing acid (such as orange juice) and alkaline substances, carcinogens will be decomposed. Avoid packing hot food in fast food boxes. Don't cook a bowl of instant noodles in the microwave.

7.PC and others(plastic cup)

Common water bottles, space cups and milk bottles. Department stores often use water cups made of this material as gifts. It is easy to release toxic substance bisphenol A, which is harmful to human body. Do not heat when using, do not directly sun in the sun.