{"id":3474,"date":"2021-10-02T07:49:10","date_gmt":"2021-10-02T07:49:10","guid":{"rendered":"http:\/\/irplastics.com\/en\/?post_type=product&p=3474"},"modified":"2025-08-27T20:43:48","modified_gmt":"2025-08-27T20:43:48","slug":"polystyrene-gpps-1540","status":"publish","type":"product","link":"https:\/\/irplastics.com\/en\/product\/polystyrene-gpps-1540\/","title":{"rendered":"General Purpose Polystyrene GPPS 1540"},"content":{"rendered":"

Introduction<\/h1>\n

Polystyrene GPPS 1540<\/strong>\u00a0is Crystal Polystyrene with a high-quality general purpose polystyrene produced by Tabriz Petrochemical Company in Iran. It is known for its transparency, strength, and easy processability, this grade is widely used in consumer goods, packaging, and household applications.<\/p>\n

Crystal has higher strength than High impact polystyrene, but is more brittle, which is why it is not used in the packaging industry.<\/p>\n

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Product Description<\/h2>\n

Polystyrene GPPS 1540<\/strong> is a clear thermoplastic that offers excellent moldability and surface gloss. This resin provides the perfect balance of clarity, rigidity, and dimensional stability. This grade is suitable for injection molding and extrusion applications where high clarity and cost-effectiveness are essential.<\/p>\n

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Polystyrene structure <\/span><\/h3>\n

Chemically, polystyrene is a long-chain hydrocarbon in which variable carbon centers are attached to phenyl groups (the name given to ring benzene). The chemical formula is polystyrene (n (C8H8); it contains moles of the chemical elements carbon and hydrogen.<\/p>\n

The properties of the material are determined by the short-term adsorption of the bath on the waltz between the polymer chains. Because molecules are long-chain hydrocarbons made up of thousands of atoms, the overall tensile force between the molecules is large.<\/p>\n

When heated (or rapidly deformed due to a combination of viscoelastic and thermal insulation properties), the chains become more compatible and overlap. This intermolecular looseness (as opposed to high intermolecular strength due to hydrocarbon strength) gives the material a state of flexibility and elasticity.<\/p>\n

The ability of the system to deform at temperatures above the temperature at which its glass is converted to polystyrene (and heat-softenable polymers in general) allows it to easily soften into various shapes when heated.<\/p>\n

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Features of General Purpose Polystyrene GPPS1540<\/h3>\n

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1. High Transparency<\/h4>\n

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Provides excellent optical clarity, making it suitable for clear packaging and consumer products that require visibility.<\/p>\n

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2. Good Rigidity and Stiffness<\/h4>\n

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Offers structural strength for lightweight yet durable products.<\/p>\n

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3. Easy Processability<\/h4>\n

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Performs efficiently in both extrusion and injection molding, reducing production time and improving output quality.<\/p>\n

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4. Excellent Gloss and Surface Finish<\/h4>\n

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Ensures smooth, shiny surfaces, enhancing product appearance.<\/p>\n

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5. Dimensional Stability<\/h4>\n

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Maintains shape and accuracy during molding, ensuring consistent product quality.<\/p>\n

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6. Cost-Effective<\/h4>\n

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An economical choice compared to alternative clear plastics such as PET or PMMA.<\/p>\n

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Applications<\/h3>\n

Polystyrene GPPS 1540<\/strong> is used in production of disposable glasses, pen tubes, transparent and glossy trays and etc.<\/p>\n