HDPE 5502S is a high-density polyethylene resin specifically designed for blow-molding applications. Classified as PE100, it is ideal for manufacturing hollow products such as industrial drums, chemical containers, household bottles, and large hollow components.

Produced with advanced polymerization technology, HDPE 5502S features uniform molecular weight distribution and excellent processing stability, ensuring consistent melt flow and high-quality finished products. Its outstanding mechanical strength, impact resistance, and crack resistance make it a reliable material for hollow product manufacturing.

Property

Typical Value

Density

0.949–0.953 g/cm³

Melt Flow Rate (190°C/5 kg)

0.20–0.35 g/10 min

Tensile Yield Strength

≥ 24 MPa

Elongation at Break

≥ 600%

Tensile Modulus

900–1100 MPa

Environmental Stress Crack Resistance (ESCR)

Excellent

Service Life

Up to 50 years (for pipe-grade reference)

Key Domestic Manufacturers of HDPE 5502S

It is important to note that 5502S is not exclusive to a single manufacturer or brand, but is produced by multiple domestic and international petrochemical companies.

  • Ningxia Baofeng Energy Group-The most commonly circulated “Baofeng 5502S” in the domestic market.
  • Zhejiang Petrochemical Co., Ltd.-Large-scale integrated refinery and chemical company; known for stable product performance.
  • Shaanxi Yanchang Petroleum Group-Offers 5502 / 5502S series HDPE suitable for blow-molding applications.
  • CNPC (China National Petroleum Corporation)-Certain facilities produce HDPE grades aligned with 5502S performance.
  • Sinopec (China Petroleum & Chemical Corporation)-Some plants produce similar medium molecular weight blow-molding HDPE.
  • Liaohe Petrochemical Company-Traditional manufacturer of blow-molding grade HDPE.

What Are The Primary Uses?

  1. Industrial Drums and Chemical Containers. HDPE 5502S is widely used for large chemical liquid storage drums, liquid transport containers, and safety or pressure-resistant tanks, offering excellent strength, impact resistance, and long-term durability.
  2. Household & Personal Care Packaging. This resin is ideal for detergent bottles, shampoo and conditioner bottles, as well as lotion and skincare product containers, providing smooth surfaces, good chemical resistance, and reliable performance during transport and use.
  3. Food & Beverage Containers. HDPE 5502S can be applied to edible oil drums, beverage containers, and food storage or transport barrels, ensuring product safety and compliance with hygiene standards.
  4. Other Hollow Products. The material is also suitable for large hollow toys, protective covers for industrial equipment, and agricultural or horticultural water storage containers, combining toughness, dimensional stability, and process reliability.

Product Benefits

  • High strength and toughness: 5502S ensures product safety during handling and transport.
  • Excellent process stability: Supports continuous, high-output blow molding.
  • Superior crack resistance: Extends service life and reduces breakage.
  • Outstanding chemical and weather resistance: Suitable for harsh industrial and outdoor environments.
  • Environmentally friendly: Non-toxic and recyclable, meeting modern green manufacturing standards.

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