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PLASTICS By: Alejandro López Martínez 3B They are the plastics that when heated become stiff, so that they can only be heated once to give shape. If they re-heat they are no longer useful. This makes them hard to recycle. Examples of this type are: - Melamine: for countertops in kitchens.

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Made by Mariano 3B I will show the most used types of plastics and what are they used for Advantages and disadvantages of plastics Definition Plastic is a malleable material consisting of any of a wide range of synthetic or semi-synthetic organic compounds that are malleable and can be molded into solid objects.

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Types of plastics PET Plastics made with polyethylene terephthalate, which is also known as PET. PET-based containers sometimes absorb flavors from foods and drinks that are stored inside of them.PET plastic is used to make many common household items like beverage bottles, medicine jars, peanut butter.

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prezi Noelia Marín

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LDPE It isn't known to release harmful chemicals into objetcs in contact with it. Example: sandwich bags... PP This type of plastics is strong. it is used to make yogurt boxes, tupperware... PS PS can be recycle. It is used for coffee cups... Others

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THE PLASTICS MATERIAL The differents types of plastics: +There are seven types of plastics: -Polyethylene Terepthalate. -High Density Polyethylene. -Polyvinyl Chloride. -Low Density Polyethylene. -Polypropylene. -Polystyrene. -Other types. What are the plastics materials? -Materials that can be reshaped (remolded) by applying heat and pressure.

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