Injection Molding Materials

Choosing the right injection molding material can make or break your project. Our comprehensive guide helps you quickly compare options based on strength, flexibility, and heat resistance, so you can confidently select the ideal material for prototypes, production parts, or custom designs—ensuring high-quality results every time.

  • High-impact polystyrene (HIPS) plastic material used for durable and cost-effective injection molded parts

    HIPS

    Type: HIPS

    Impact Resistance, Economical, Electrical Insulation

    High Impact Polystyrene (HIPS) is a low-cost and easily processable plastic material. It is often used in the manufacturing of low-strength structural components in scenarios where comprehensive requirements for a material’s impact resistance, processability, and cost are required. Additionally, with its excellent dimensional stability and ease of being painted and bonded, it has become an ideal material for prototyping.

  • PEI polyetherimide engineering plastic pellets

    PEI

    Type: PEI

    Temperature Resistance, Strength, CorrosionResistant, Flame Retardancy, Electrical Insulation, Aging Resistance

    PEI (polyetherimide) is a high-performance thermoplastic engineering plastic that combines excellent heat resistance, mechanical properties, and chemical stability, enabling it to be widely used in high-end industrial fields such as aerospace, electronics and electrical engineering, and medical equipment.

  • LDPE plastic material with excellent flexibility and chemical resistance for injection molding and packaging applications.

    LDPE

    Type: LDPE

    Corrosion Resistance, Toughness, Electrical Insulation

    Low-Density Polyethylene (LDPE) is lighter than water, soft and tough, with excellent acid and alkali resistance as well as electrical insulation properties. It is widely used in fields such as packaging, agriculture, electronics, and daily necessities.

  • HDPE injection molding plastic material — high-density, durable, and chemical-resistant plastic for precision-molded components.

    HDPE

    Type: HDPE

    Corrosion Resistance, Strength, Electrical Insulation

    High-Density Polyethylene (HDPE) is a lightweight, chemically resistant, and high-strength material. It is flexible and tough, commonly used in applications such as food packaging (e.g., food containers), agricultural films, daily necessities (e.g., storage boxes), and water tanks.

  • PP injection molding plastic material — durable, chemical-resistant polypropylene for precision-molded components.

    PP

    Type: PP

    Corrosion Resistant, Strength

    Polypropylene (PP) is a well-balanced thermoplastic characterized by lightweight material, excellent chemical resistance, and good flexibility. Owing to these properties, it finds wide application in fields such as packaging, household appliances, automotive, daily necessities, and medical devices.

  • PET injection molding plastic material — high-strength, chemical-resistant polymer for precision-molded components and industrial applications.

    PET

    Type: PET

    Corrosion Resistance, Strength, High Transparency, Processability

    PET (polyethylene terephthalate) is a common thermoplastic polyester with excellent mechanical properties and strong chemical resistance. It also offers glass-like transparency and luster, with a high light transmittance of about 88–92%, and is widely used in beverage bottles, food packaging, and engineering plastics.

  • Clear PMMA acrylic sheet for optical applications

    PMMA (Acrylic)

    Type: PMMA (Acrylic)

    Impact Resistance, High Transparency, Weather Resistance

    Acrylic (also known as polymethyl methacrylate, PMMA) boasts not only excellent optical performance but also outstanding UV resistance. With a light transmittance of up to 92%—comparable to glass—it has become a popular material in scenarios ranging from neon signs in shopping malls and display case panels in museums to precision optical lenses and stage light covers.