GPPS 1144 is a high-quality general purpose polystyrene (GPPS) specifically formulated for injection molding applications. Manufactured by continuous mass polymerization of styrene monomer, this resin is designed for a wide range of industrial and commercial uses due to its superior clarity, strength, and ease of processing.
 
Product Description
Manufacturing Process: Produced through continuous mass polymerization, ensuring consistent and reliable properties across batches.
Characteristics: GPPS 1144 is characterized by its excellent clarity and mechanical strength, making it ideal for products that benefit from transparency and durability.
 
Typical Applications
Packing Articles: GPPS 1144 is widely used in packaging solutions where its strength and clarity enhance product visibility and protection.
Petri Dishes: Particularly suitable for laboratory applications, where its chemical stability and clarity are crucial for precise scientific work.
Office Equipment and Pen Barrels: Its rigidity and premium finish are ideal for manufacturing durable office supplies and writing instruments.
Medical and Laboratory Supplies: The material’s purity and compliance with health standards make it a preferred choice for various medical and lab implements.
 
Typical Physical and Mechanical Properties
Melt Flow Rate: 14 g/10min at 200°C & 5 kg load (ASTM D1238), indicating good processability in injection molding operations.
Tensile Strength: 40 MPa (ASTM D638), measuring the material's resistance to stretching forces, ideal for creating strong and durable products.
Flexural Modulus: 2900 MPa (ASTM D790), which indicates the material’s stiffness and its ability to resist deformation under load.
Vicat Softening Point: 92°C at 120°C and 1 kg load (ASTM D1525), the temperature at which the material begins to deform, important for applications involving heat exposure.
 
Packaging
Form: Supplied in cylindrical pellets approximately 2.5×2.5 mm in size, optimized for uniform melting and processing.
Packaging Options: Available in 25 kg bags, designed for easy handling, storage, and transport in industrial settings.
 
Summary
GPPS 1144 offers a blend of clarity, mechanical strength, and ease of processing, making it highly suitable for a variety of injection molding applications. From consumer products to specialized medical and laboratory equipment, GPPS 1144 delivers consistent performance, ensuring high-quality end products. Its specific properties and packaging make it a practical choice for manufacturers looking for a reliable and versatile polystyrene resin.