کاسه خورشتی دردار و ظرف غذا

Advantages and Disadvantages of Plastic

Plastic may be the most polarizing substance of recent times. It presents a series of incredible benefits that help people every day, but the product can also be one of the most harmful materials on world. It is only modern definitions that presently have the term concern to a variety of polymers. The plastic’s advantages and disadvantages required constant review as new polymers went into the development process in order to avoid detrimental environmental impacts of plastics. Here are a few of the advantages and disadvantages of plastics:   Advantages of Plastics Flexible design language. Plastics are created using various resins. … Convenient

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بشقاب گلسان کد 35 حاوی کوکی

The difference between polystyrene and polypropylene

The raw material of polystyrene and polypropylene makes the difference between the products. By replicating polymer molecules, polypropylene polymers can be produced. These molecules have a high weight. With polymerization, a long polymer chain can be created. Polystyrene and polypropylene are both important polymers. The raw material and molecular structure of those are different. Polypropylene is a transparent plastic material and Polystyrene is naturally transparent too, but can be colored with colorants. Polypropylene is used for the production of industrial goods, auto parts, consumer goods, and furniture. Polystyrene is used in the production of laboratory utensils and tubes and Petri dishes.  

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