GPPS 1067 is a versatile general purpose polystyrene (GPPS) designed for a broad spectrum of molding and extrusion applications. Manufactured by continuous mass polymerization of styrene monomer, this resin is characterized by its medium heat grade, medium melt strength, good clarity, and solid mechanical strength.
 
Product Description
Manufacturing Process: Produced through continuous mass polymerization, ensuring consistent quality and performance.
Properties: GPPS 1067 boasts medium heat and melt strength, making it suitable for a variety of processing conditions, alongside good clarity and mechanical strength for finished product aesthetics and durability.
 
Typical Applications
GPPS 1067 is recommended for:
Houseware and Containers: Ideal for producing durable and clear items such as kitchenware and storage containers.
Drinking Cups and Tableware: Suitable for items that require safety, clarity, and food contact compliance.
Optical Parts: Used in applications where precision and minimal visual distortion are critical.
Plastic Bangles and Cosmetic Packaging: Offers aesthetic appeal and durability, making it suitable for fashion and cosmetic industries.
Stationery Products: Its strength and clarity make it perfect for manufacturing various stationery items.
Isolation Materials and XPS Sheets and Plates: Effective in applications requiring insulation properties, as well as in construction for extruded polystyrene sheets.
 
Typical Physical and Mechanical Properties
Melt Flow Rate: 5.5 g/10min at 200°C & 5 kg load (ASTM D1238), indicating its flowability under specific conditions, suitable for both extrusion and molding.
Tensile Strength: 55 MPa (ASTM D638), demonstrating the material’s capacity to withstand force without breaking.
Flexural Modulus: 3200 MPa (ASTM D790), indicating the material's stiffness or resistance to bending forces.
Charpy Impact Strength (Unnotched): 9 KJ/m² (ASTM D256), reflecting the toughness of the material to withstand impacts without a notch, a measure of its robustness in everyday use.
Vicat Softening Point: 100°C at 120°C and 1 kg load (ASTM D1525), the temperature at which the material begins to soften, important for understanding its performance under thermal stress.
 
Packaging
Form: Supplied in cylindrical pellets approximately 2.5×2.5 mm in size.
Packaging Options: Available in 25 kg bags, facilitating easy handling, storage, and distribution.
 
Regulatory Compliance
Manufacturers utilizing GPPS 1067 for food contact applications must ensure compliance with the necessary safety and migration requirements to meet regulatory standards.
 
Summary
GPPS 1067 is engineered to meet the demands of various industries, offering a reliable, high-performance material that provides excellent processability, mechanical strength, and clarity. Its versatility makes it ideal for a wide range of applications, from household goods to specialized optical components, showcasing its role in producing high-quality, durable, and aesthetically pleasing products.