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How to tell which kind of material is made of plastic bottle

date:2019-05-27 hits:67

How to tell which kind of material is made of plastic bottle

How to tell which kind of material is made of plastic bottle

1.PET (polyethylene terephthalate)

The plastic recycling code No. 1 is PET, which is commonly used as a PET bottle on the container. Bottles such as detergents, shampoos, and mineral water bottles have been used in large quantities. Identification method: Baote bottles are usually colorless and transparent, and some are colored light green, light blue or brown. There is a dot below the bottom of the round PET bottle, and there is no seam elsewhere in the bottle. It is the easiest way to identify it.

2.HDPE (high density polyethylene)

PE (polyethylene) is the most widely used plastic in industry and life. It is generally divided into high density polyethylene (HDPE) and low density polyethylene (LDPE). PE is very resistant to acid and alkali. Excellent, the plastic bags and various translucent or opaque plastic bottles that are currently on the market are almost all made of PE, such as detergents, shampoos, shower gels, cooking oils, pesticides, etc. HDPE bottles are used to hold. Identification method: Most of them are opaque, feel like wax, and there is rustling when the plastic bag is rubbed or rubbed.

3. PP (polypropylene)
Bottle makers often use PE to make bottles. Caps and handles are made of PP with greater hardness and strength. Of course, there are also PP bottles. The most common ones are soy milk and rice milk bottles, but larger containers. Like buckets, trash cans, laundry tanks, etc., they are made of PP. Disposable tableware made of PP, such as the red plastic bowl commonly used in the "table" banquet, and the plastic box containing microwave food, are made of PP. Identification method: PP and PE are difficult to separate. Generally speaking, PP has higher hardness and a shiny surface. PE is like a wax device. When burning, PE has a heavier candle.


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