GPPS 1233 is designed for injection molding applications, offering excellent clarity and ease of processing. Manufactured through continuous mass polymerization of styrene monomer, this grade features low operational costs and is particularly suitable for producing goods that require good clarity and are thin and long.
 
Key Features
High Clarity: Ideal for applications where product visibility is crucial.
Low Operation Cost: Efficient production process, making it cost-effective for large-scale use.
High Melt Flow Rate: Facilitates easy flow during injection molding, suitable for creating intricate designs and thin profiles.
 
Applications
Injection Molding: Particularly effective for manufacturing items like clear disposable containers, medical components, and other consumer goods that benefit from high clarity.
Thin and Long Goods: Suitable for producing slender components that require precise dimensional stability.
 
Processing Guidelines
Drying: Recommended to dry the polymer at 70°C for 2-4 hours if moisture affects product quality, to ensure optimal processing conditions.
 
Typical Properties
Melt Flow Rate (200°C/5kg): 23 g/10 min (ASTM D1238), indicating the material’s excellent flow characteristics during processing.
Tensile Strength: 40 MPa (ASTM D638), showcasing the material's ability to withstand stress.
Flexural Modulus: 3100 MPa (ASTM D790), reflecting the material's stiffness and its ability to retain shape under stress.
Charpy Impact Strength (Unnotched): 9 Kj/m² (ASTM D256), demonstrating the material's resistance to impact.
Vicat Softening Point: 85°C (ASTM D1525), the temperature at which the polymer begins to soften under a specified load.
 
Packaging
Form: Supplied in cylindrical granules of approximately 2.5×2.5 mm.
Packaging Options: Available in 25 kg bags, facilitating handling and storage.
 
Conclusion
GPPS 1233 is engineered for manufacturers seeking a reliable and efficient material for injection molding applications that require high clarity and precise dimensions. Its high melt flow rate and cost-effective production make it a valuable choice for producing a wide range of consumer and medical products.