GPPS 1115 is a general purpose polystyrene developed for a broad range of extrusion and injection molding applications. This grade is manufactured via continuous mass polymerization of styrene monomer, ensuring consistent quality and performance.
 
Product Description
Manufacturing Process: Continuous mass polymerization, a method known for producing resins with consistent properties.
Characteristics: GPPS 1115 is designed for applications requiring a good balance of clarity, strength, and flexibility.
 
Typical Applications
GPPS 1115 is versatile, recommended for:
Packing Articles: Ideal for producing various types of packaging materials where clarity and rigidity are essential.
Petri Dishes: Commonly used in laboratory settings for its chemical inertness and clarity.
Office Equipment and Pen Barrels: Provides durability and a quality finish necessary for everyday office supplies.
Crisper Boxes for Refrigerators: Utilized in food storage components within refrigerators due to its low temperature resistance and stiffness.
Cups and Food Containers: Suitable for food contact applications, where safety and material stability are crucial.
Gloss Layer Coextrusion: Often used in multilayer applications to provide a glossy, aesthetically pleasing surface finish.
 
Typical Physical and Mechanical Properties
Melt Flow Rate: 11 g/10min at 200°C & 5 kg load (ASTM D1238), indicating its ease of flow under heat, suitable for complex molds.
Tensile Strength: 42 MPa (ASTM D638), showing the material's ability to withstand stretching forces.
Flexural Modulus: 3100 MPa (ASTM D790), indicative of the material's stiffness and resistance to deformation under stress.
Vicat Softening Point: 91°C at 120°C with a 1 kg load (ASTM D1525), marking the temperature at which the material begins to soften.
 
Packaging
Form: Supplied in cylindrical pellets, approximately 2.5×2.5 mm, tailored for easy handling and processing.
Packaging Options: Available in 25 kg bags, facilitating transportation and storage for industrial applications.
 
Summary
GPPS 1115 offers manufacturers a reliable, high-performance polystyrene that excels in both extrusion and injection molding processes. Its high melt flow rate and mechanical properties make it ideal for a wide range of applications, from consumer goods to complex packaging solutions. This grade of polystyrene combines excellent physical properties with versatility, meeting the demands of various industries looking for quality and performance in their plastic materials.