GPPS 1160 is a high-performance crystal polystyrene developed by Tabriz Petrochemical Company, particularly formulated for extrusion and bi-oriented polystyrene (OPS) applications. It features high heat resistance and molecular weight, making it especially suitable for producing thick sheets through direct inject gassing processes.
 
Product Description
Type: General Purpose Polystyrene (GPPS)
Features: GPPS 1160 is known for its exceptional mechanical properties, high heat resistance, and ability to be diluted with High Impact Polystyrene (HIPS) for versatile applications. It includes external lubricants to enhance processing capabilities.
 
Technical Specifications
Melt Flow Index (200°C, 5 kg): 2.5 g/10 min (ASTM D1238), allowing for excellent processability in extrusion and molding.
Vicat Softening Point: 105°C (ASTM D1525), indicating good thermal stability.
Rockwell Hardness: Scale L70 (ASTM D-785), reflecting its robustness.
Elongation at Break: 3% (ASTM D-638), demonstrating flexibility.
Tensile Stress at Break: 48 MPa (ASTM D-638), showcasing high tensile strength.
Tensile Modulus: 3200 MPa (ASTM D-638), highlighting its stiffness.
 
Applications
Extrusion and Thermoforming: Ideal for producing thick sheets used in applications like shower cabinets, lighting films, and insulation boards.
Food Packaging: Suitable for manufacturing foam sheets used in fruit trays, meat trays, and egg boxes, where rigidity and durability are crucial.
Dilution with HIPS: Can be combined with HIPS for additional applications, enhancing versatility in product manufacturing.
 
Handling and Storage
Drying Recommendations: If affected by moisture, granules should be dried at 70°C for 2-4 hours to ensure optimal processing.
Storage Conditions: Store in a cool, dry place to maintain material integrity and performance.
 
Summary
GPPS 1160 from Tabriz Petrochemical Company offers a unique combination of high heat resistance, mechanical strength, and flexibility, making it a versatile choice for manufacturers looking for a reliable polystyrene for high-quality extrusion and thermoforming processes. Its capability to produce high-performance plastic products ensures it remains a top choice for various industrial applications.