LH535 General Purpose Polystyrene

Product Description:

General Purpose Polystyrene, commonly abbreviated as GPPS, is a versatile thermoplastic polymer widely used across various industries due to its excellent balance of properties. Known for its clarity, rigidity, and ease of processing, GPPS is a preferred material in many applications that require aesthetic appeal combined with functional performance. One of the notable grades available in the market is GP5250/N, which exemplifies the qualities that make General Purpose Polystyrene a reliable choice for manufacturers and designers alike.

As a thermoplastic polymer, GPPS can be repeatedly melted and reshaped without significant degradation, making it highly adaptable for different manufacturing processes. The GP5250/N grade of GPPS offers a flexural modulus ranging between 3000 and 3300 MPa, indicating its excellent stiffness and mechanical strength. This property ensures that products made from GP5250/N maintain their shape under stress, which is critical for applications requiring dimensional stability and durability.

The processing versatility of GP5250/N is one of its standout features. It is compatible with several common processing methods such as injection molding, extrusion, and thermoforming. Injection molding allows for the production of complex and precise shapes with high repeatability, making it ideal for manufacturing disposable cutlery and intricate model making components. Extrusion processing is often employed to create sheets and films that can be further thermoformed into various shapes, including packaging trays and CD cases. Thermoforming, in particular, takes advantage of GP5250/N’s ability to soften uniformly upon heating, enabling manufacturers to produce lightweight, transparent, and strong packaging solutions efficiently.

In packaging, GPPS is highly valued for its excellent clarity and surface finish, which help enhance product visibility and consumer appeal. The GP5250/N grade ensures the packaging materials possess good impact resistance and dimensional stability, crucial for protecting contents during transportation and handling. Its use in disposable cutlery highlights its safety and compliance with food contact regulations, making it a hygienic and cost-effective option for single-use utensils. Additionally, GP5250/N’s rigidity and finish quality make it an excellent material for manufacturing CD cases, where both protection and aesthetic presentation are important.

Model making is another significant application area for GPPS, especially for the GP5250/N grade, owing to its ease of machining and finishing. Hobbyists and professionals alike appreciate its ability to be painted, glued, and shaped with precision, facilitating the creation of detailed and durable models. The material’s moderate flexural modulus also ensures that models retain their shape without becoming brittle, striking a balance between strength and workability.

Overall, General Purpose Polystyrene GP5250/N stands out as a reliable and efficient material choice for a broad spectrum of applications. Its thermoplastic nature, combined with a flexural modulus of 3000-3300 MPa, ensures that it provides excellent mechanical properties while remaining easy to process through injection molding, extrusion, and thermoforming. Whether used in packaging, disposable cutlery, CD cases, or model making, GP5250/N delivers consistent quality, clarity, and performance, meeting the demands of both manufacturers and end-users.

In summary, GP5250/N is a high-quality General Purpose Polystyrene that embodies the ideal characteristics of a thermoplastic polymer. Its broad applicability, mechanical strength, and processing versatility make it an indispensable material in today’s manufacturing landscape. By choosing GP5250/N, companies can leverage the benefits of a trusted polymer that supports innovation and efficiency across diverse product categories.

Features:

• Product Name: General Purpose PS (GPPS)
• Melting Point: Approximately 240°C
• Charpy Impact Strength: 8.0
• Vicat Softening Point: 97-106°C
• Density: 1.04 - 1.06 g/cm³
• Processing Methods: Injection Molding, Extrusion, Thermoforming
• Material Type: General Purpose Polystyrene (General Purpose PS)

Technical Parameters:

Applications:

The General Purpose Polystyrene (GPPS) product, specifically the GP5250/N model under the trusted GPPS brand, is a versatile thermoplastic material widely used across various industries due to its excellent mechanical and chemical properties. Certified with ISO 9001 and 14001, GPPS 525/550 ensures high-quality standards, making it a reliable choice for manufacturers seeking consistency and performance. With a Charpy impact strength of 8.0 kJ/m² and a flexural modulus ranging from 3000 to 3300 MPa, this material delivers a balanced combination of rigidity and toughness, suitable for numerous applications.

One of the primary application occasions for General Purpose PS GPPS 525/550 is in the production of consumer electronics housings and components. Thanks to its good dimensional stability and resistance to acids and bases, GPPS is ideal for creating durable, precise parts through injection molding and extrusion processes. Additionally, its thermoforming capability allows manufacturers to produce sleek packaging solutions for food, medical supplies, and cosmetics, where clarity and rigidity are essential.

In automotive and household appliance industries, GPPS 525/550 is favored for its ease of processing and cost-effectiveness. The material’s resistance to chemical agents ensures that parts retain their integrity even when exposed to mild acids or bases, although it is important to note its poor resistance to solvents, which should be considered during application design. This makes GPPS suitable for interior trim components, light covers, and various molded parts that require a balance of strength and aesthetic appeal.

GPPS 525/550 also finds extensive use in educational and office supplies manufacturing. Items such as clear plastic rulers, CD cases, and disposable laboratory equipment benefit from GPPS’s excellent clarity and mechanical strength. The product is supplied in 1000KG packaging units, with a minimum order quantity of 1 TON, making it a practical choice for large-scale production runs. With a delivery time ranging from 5 to 45 days and payment terms based on TT, customers can efficiently manage their procurement schedules.

Overall, the versatility of General Purpose PS GPPS 525/550, combined with its robust performance metrics and ISO certifications, makes it an excellent material for injection molding, extrusion, and thermoforming applications. Whether for industrial manufacturing or consumer product development, GPPS offers a reliable solution that balances cost, quality, and functionality.