PP K4912 is a high-transparency polypropylene random copolymer resin designed for injection molding applications that require excellent optical clarity, balanced mechanical performance, and stable processing behavior. It is produced using advanced polymerization technology and features an optimized ethylene–propylene random copolymer structure, which enhances transparency, impact resistance, and melt flow performance while maintaining rigidity and dimensional stability.

Thanks to its well-balanced properties, PP K4912 is widely used in transparent food packaging, medical and laboratory products, household items, thin-wall packaging, and other injection molded applications.

Property

Typical Value

Material Type

PP Random Copolymer

Processing Method

Injection Molding

Melt Flow Rate (230°C/2.16kg)

16 ± 2 g/10 min

Density

Approx. 0.90 g/cm³

Tensile Yield Strength

≥26 MPa

Flexural Modulus

≥900 MPa

Heat Deflection Temperature

≥65°C

Izod Impact Strength (23°C)

≥5 kJ/m²

Main Features

High Transparency, High Gloss, Good Flowability

Grade Type

Transparent Injection Grade

Main Uses of PP K4912

  • Transparent Food Containers. PP K4912 is widely used in transparent food storage containers, microwave lunch boxes, fresh-keeping containers, transparent cups, and various thin-wall food packaging products. The material combines excellent transparency, lightweight performance, and good food-contact suitability, making it ideal for modern food packaging applications that require both functionality and visual appeal.
  • Medical Applications. The resin is suitable for a variety of medical and laboratory injection molded products, including syringes, centrifuge tubes, sample containers, medical packaging components, and laboratory consumables. Its excellent flowability, dimensional stability, and high clarity support precision molding requirements and consistent product quality.
  • Household Products. PP K4912 is commonly applied in transparent household products such as storage boxes, kitchenware, daily-use containers, appliance transparent parts, and stationery items. The material provides an attractive glossy appearance together with good durability and stable long-term performance.
  • Packaging Applications. The resin is also widely used in transparent packaging boxes, thin-wall injection packaging, display packaging, and various consumer packaging products. Its balanced combination of transparency, processability, and mechanical performance helps manufacturers achieve efficient production and high-quality finished products.

Product Advantages

  • Excellent transparency and gloss
  • Stable injection molding performance
  • Good rigidity-impact balance
  • Reliable heat resistance
  • Excellent chemical resistance
  • Suitable for high-speed production
  • Ideal for food packaging and medical applications

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