GPPS 1460 is a high-performance crystal polystyrene developed by Tabriz Petrochemical Company, specifically formulated for extrusion and thick-walled injection molding applications. It is renowned for its high heat resistance and high molecular weight, making it particularly effective in producing expanded sheets with superior mechanical properties.
 
Product Description
Type: General Purpose Polystyrene (GPPS)
Features: GPPS 1460 is characterized by its exceptional heat resistance and strength, which facilitate the production of durable and robust products. The material is ideal for applications requiring thick sheets through direct inject gassing processes.
 
Technical Specifications
Melt Flow Index (200°C, 5 kg): 6.5 g/10 min (ASTM D1238)
Density: Approximately 1.04 kg/lit
Shrinkage: 0.4-0.7% (ASTM D-955)
Vicat Softening Point: 103°C (ASTM D1525)
Tensile Stress at Break: 48 MPa (ASTM D-638)
Tensile Modulus: 3200 MPa (ASTM D-638)
Elongation at Break: 1% (ASTM D-638)
Styrene Residual Monomer: <500 ppm (ATO-FINA Test Method)
 
Applications
Insulation Board (XPS): Particularly useful for producing extruded polystyrene sheets used in building insulation, due to its thermal resistance and structural integrity.
Foam Sheet for Food & Fruit Trays: Ideal for manufacturing foam sheets that are used in food packaging, including trays for fruits and other food items, where material safety and mechanical strength are crucial.
 
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.
 
Packaging
Form: Supplied in the form of granules.
Packaging Options: Typically available in 25 kg bags, ensuring safe and convenient transport and storage.
 
Summary
GPPS 1460 from Tabriz Petrochemical Company offers advanced material properties for demanding applications such as thick-walled injection molding and extrusion. Its high heat resistance and robust mechanical strength make it an excellent choice for manufacturers looking for a reliable and durable polystyrene for high-quality industrial products.