High Impact Polystyrene (HIPS)

High Impact Polystyrene (HIPS) is a modified thermoplastic polymer produced by combining polystyrene with rubber-based materials, mainly polybutadiene, to improve impact resistance, toughness, and durability compared with standard polystyrene (GPPS). HIPS granules are widely used in the plastics industry due to their excellent balance of rigidity, processability, surface appearance, and cost efficiency. This material is available in natural and customized colors and is commonly supplied in pellet form for injection molding, extrusion, and thermoforming applications. The production process of HIPS involves polymerization of styrene monomer in the presence of rubber modifiers, followed by compounding, stabilization, filtration, and pelletizing to achieve consistent quality and uniform physical properties. Advanced production technologies allow manufacturers to control impact strength, melt flow rate, gloss level, and mechanical performance according to specific industrial requirements.

HIPS grades are designed for different processing methods and end-use applications. Injection molding grades are commonly used for manufacturing electronic housings, appliance components, toys, automotive interior parts, and household products where high impact strength and dimensional stability are required. Extrusion and thermoforming grades are mainly used for food packaging trays, refrigerator liners, disposable containers, and sheet applications requiring good forming ability and surface quality. Flame retardant HIPS grades are available for electrical and electronic applications where improved safety performance is required, while high gloss and easy-flow grades are selected for decorative products and complex molded parts. The main advantages of High Impact Polystyrene include excellent impact resistance, easy processing, good dimensional accuracy, attractive surface finish, recyclability, and compatibility with various coloring systems.

This polymer is widely traded worldwide due to its reliable performance and versatility in multiple industries such as packaging, electronics, automotive, consumer goods, construction, and medical equipment manufacturing. High-quality HIPS resin provides manufacturers with a cost-effective solution for producing lightweight, durable, and visually attractive plastic products while maintaining efficient production processes. Selecting the correct HIPS grade based on melt flow rate, impact strength, processing method, and final application ensures optimum product quality and long-term performance.

High Impact Polystyrene (HIPS) Technical Specifications

Property	Typical Value
Product Name	High Impact Polystyrene (HIPS)
Chemical Formula	(C8H8)n Modified with Rubber Phase
Appearance	White / Natural Plastic Granules
Form	Thermoplastic Resin Pellets
Density	1.03 – 1.06 g/cm³
Melt Flow Rate (MFR)	2 – 20 g/10 min (Depending on Grade)
Impact Strength	High Impact Resistance
Processing Methods	Injection Molding, Extrusion, Thermoforming
Heat Deflection Temperature	Approx. 75 – 100°C
Tensile Strength	20 – 35 MPa
Packaging	25 kg Bags, Jumbo Bags, Bulk Packaging
Main Applications	Packaging, Electronics, Appliances, Automotive Parts

IF YOU ARE WILLING TO BUY HIPS FROM VERIFIED IRANIAN SUPPLIERS, PLEASE SCROLL DOWN AND SUBMIT YOUR REQUEST.

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FAQ High Impact Polystyrene (HIPS)

High Impact Polystyrene (HIPS) is a modified polystyrene material containing rubber additives that improve toughness and impact resistance. Compared with GPPS, HIPS provides better durability and is suitable for applications requiring stronger and more resistant plastic products.

HIPS granules are mainly used for producing electronic housings, refrigerator liners, food packaging trays, disposable containers, toys, automotive interior parts, household products, and thermoformed plastic sheets.

HIPS can be processed through injection molding, extrusion, and thermoforming processes. The suitable processing method depends on the final product design, required mechanical properties, and production conditions.

The main advantages of HIPS include high impact resistance, excellent dimensional stability, good surface finish, easy processing, competitive cost, lightweight structure, and good compatibility with additives and colors.

Commercial HIPS grades include injection molding grades, extrusion grades, thermoforming grades, high gloss grades, flame retardant grades, and customized grades developed for specific industrial applications.

You can find reliable Iranian manufacturers and exporters of High Impact Polystyrene through Irancorps, a platform that connects international buyers with evaluated Iranian suppliers and helps customers identify suitable producers based on quality requirements, specifications, and export needs.