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Figure 1: Comparative Costs and Production Volumes For Processing of Plastics. The economics of plastics processing is determined by the type of process.Plastics can be processed with the following methods: machining, compression molding, transfer molding, injection molding, extrusion, rotational molding, blow molding, thermoforming, casting, forging, and foam molding.
Compounding consists of preparing plastic formulations by mixing and/or blending polymers and additives in a molten state to achieve the desired characteristics. [1] These blends are automatically dosed with fixed setpoints usually through feeders/hoppers.
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The global office supplies market, valued at USD 151.46 billion in 2022, is projected to witness a 2.1% compound annual growth rate (CAGR) from 2023 to 2030. [3] The industry's expansion is attributed to the flourishing global services sector and increased product consumption in education.
The domestic application attached to home appliance is tied to the definition of appliance as "an instrument or device designed for a particular use or function". [3] Collins English Dictionary defines "home appliance" as: "devices or machines, usually electrical, that are in your home and which you use to do jobs such as cleaning or cooking". [4]
Plastic extruders are also extensively used to reprocess recycled plastic waste or other raw materials after cleaning, sorting and/or blending. This material is commonly extruded into filaments suitable for chopping into the bead or pellet stock to use as a precursor for further processing.
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Central cleaning equipment, often built as multi task systems, is commonly used. These systems can suit different cleaning requirements. Typical examples are the wash stands or the small cleaning machines, which are found in many industrial plants.