GPPS 1077 is a versatile general purpose polystyrene produced by Petro Paak through continuous mass polymerization of styrene monomer. This grade is specifically designed for injection molding and extrusion processes, offering medium heat grade, medium melt strength, and excellent clarity and mechanical strength.
 
Product Description
Type: General Purpose Polystyrene (GPPS)
Features: GPPS 1077 is characterized by its medium heat and melt strength, which contribute to its versatility in manufacturing processes. The product's good clarity and mechanical strength make it ideal for a wide range of applications.
 
Technical Specifications
Melt Flow Rate (200°C & 5 kg load): 7 g/10 min (ASTM D1238)
Tensile Strength: 52 MPa (ASTM D638)
Flexural Modulus: 3100 MPa (ASTM D790)
Charpy Impact Strength (unnotched): 8 Kj/m² (ASTM D256)
Vicat Softening Point: 100°C (ASTM D1525)
 
Applications
Housewares and Containers: Excellent for manufacturing items like containers, tableware, and other houseware products.
Optical Parts and Cosmetic Packaging: Suitable for producing optical components and cosmetic packaging, where clarity and precision are critical.
Stationery and XPS Sheets: Used in making stationery products and extruded polystyrene (XPS) sheets and plates, valued for insulation properties.
 
Packaging
Form: Supplied in cylindrical pellets approximately 2.5×2.5 mm in size.
Packaging Options: Available in 25 kg bags to accommodate industrial-scale requirements.
 
Summary
GPPS 1077 from Petro Paak is a robust and adaptable general purpose polystyrene that excels in both injection molding and extrusion applications. Its balanced physical properties, including high clarity and mechanical strength, make it a preferred choice for manufacturers looking for a reliable polystyrene for a wide range of commercial and industrial uses.