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    GPPS plastic: What is it?

    2024-04-19 17:29:35  News

    1. What is GPPS plastic?

    The General Purpose polystyrene is a translucent, stiff thermoplastic polymer that is flexible and very easy to work with. GPPS plastic is lightweight, has high dimensional stability, and has excellent electrical insulating qualities. It is frequently utilized in many different applications, including office supplies, home goods, and packaging.

    2. GPPS properties 

    GPPS plastic has a beautiful appearance and excellent transparency. It’s very easy to process with high production efficiency. Besides, its mechanical and electrical properties are superior. The resin can resist high heat, and have low shrinkage and low moisture absorption. 
    This material has high molecular weight (over 320,000), and a wide range of moldability. It’s suitable for complex-shape moldings, large-size moldings, thin-walled moldings, foam extrusion moldings and biaxially oriented polystyrene sheet (BOPS). 

    3. GPPS applications

    GPPS is a thermoplastic that is commonly seen in many different applications since it is affordable and simple to produce. Because of its transparency and clarity, it's a popular material for food packaging. One more great thing about the General Purpose polystyrene is that it is  FDA-compliant, so you can safely use GPPS products, such as salad boxes, take-out containers, and bakery trays. 
    Additionally, it is commonly utilized in the manufacturing of plates, cups, and disposable cups for CDs and DVDs. Dashboard panels and trim pieces are among the interior items manufactured in the car industry that employ GPPS. Moreover, GPPS plastic is utilized in everyday objects including desk accessories, plastic flatware, and picture frames. Besides, it also can be blended with SBC for transparent impact applications or HIPS for FFS thermoforming. 

    4. Recyclability of GPPS

    Since GPPS plastic is a recyclable material, recycling it can aid in resource conservation and waste reduction. Collecting and classifying plastic trash, cleaning and shredding it into small bits, melting and reforming it into new goods are all steps in the recycling process for GPPS products. After additional processing, the recycled GPPS is turned into pellets or granules that may be utilized to make a variety of goods, including picture frames, stationery, and ornamental items. Other plastic manufacturing methods can also make use of the recovered GPPS pellets as a raw material. By lowering the need for the manufacturing of virgin plastic, the recycling of GPPS lowers the quantity of plastic trash that ends up in landfills and conserves resources.

    5. GPPS and HIPS

    Both GPPS and HIPS are members of the Polystyrene (PS) family, thus, they do have things in common. These resins are inexpensive, stiff, and simple to work with and produce. Their processing techniques include blow molding, thermoforming, extrusion, and injection molding.
    Thanks to their FDA compliance, HIPS and GPPS are widely used in applications related to kitchenware and food packaging. They are not limited to these application areas; they may also be utilized in houseware and healthcare applications.
    These polystyrene resins are easy to paint, glue, and print on, and they have good sheen and aesthetic appeal. In addition, both are recyclable. 

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