Lotrene TR 571 is a high-performance high-density polyethylene (HDPE) material specifically developed for large blow molding applications. As an ultra-high molecular weight hexene copolymer, it provides high stiffness, superior melt strength, outstanding environmental stress crack resistance (ESCR), and strong chemical resistance, making it ideal for heavy-duty industrial containers, chemical packaging, and food-contact blow molded products.

Property

Typical Value

Density

0.953 g/cm³

Melt Index (190°C/2.16 kg)

0.02 g/10 min

Melt Index (190°C/5 kg)

0.14 g/10 min

Melt Index (190°C/21.6 kg)

2.5 g/10 min

Environmental Stress Crack Resistance (ESCR)

Excellent

Tensile Strength at Yield

27 MPa

Elongation at Break

>600%

Flexural Modulus

1300 MPa

Shore D Hardness

63

Brittleness Temperature

< -75°C

Typical Applications of Lotrene TR 571

  • Industrial Packaging. TR 571 is widely used in industrial packaging applications such as chemical drums, lubricant containers, detergent packaging containers, and industrial liquid storage tanks, where high strength, chemical resistance, and long-term durability are essential.
  • Large Hollow Blow Molded Products. The resin is particularly suitable for manufacturing large hollow blow molded products, including open-head drums, tight-head drums, 220 L L-ring drums, as well as Jerry cans and various industrial canisters, offering excellent structural integrity and reliable performance during transportation and storage.
  • Food Packaging. For food packaging applications, Lotrene HDPE TR 571 can be used in food-grade liquid containers, edible oil packaging drums, and bulk food transportation containers, providing safe, durable, and dependable packaging performance.
  • Specialty Storage and Transport Containers. The material is also ideal for specialty storage and transport containers, including high-strength chemical storage containers, durable logistics packaging solutions, and heavy-duty industrial transport packaging designed for demanding handling and service conditions.

Product Performance of HDPE TR 571

  • Excellent Mechanical Strength. Lotrene TR 571 provides high tensile strength, excellent rigidity, and superior structural stability, enabling finished products to withstand heavy stacking loads, external impact, and demanding handling conditions.
  • Outstanding Environmental Stress Crack Resistance. With excellent ESCR performance, the material demonstrates strong resistance to stress cracking caused by detergents, oils, chemicals, and aggressive environments, significantly extending service life in industrial applications.
  • Superior Melt Strength. Its ultra-high molecular weight structure delivers exceptional melt strength and parison control during processing, minimizing sagging and improving dimensional consistency in large blow molded products.
  • Excellent Chemical Resistance. This resin exhibits strong resistance to a wide range of acids, alkalis, salts, and various chemical substances, making it highly suitable for chemical packaging and industrial storage applications.
  • Outstanding Low-Temperature Toughness. HDPE TR 571 maintains excellent impact resistance even under low-temperature conditions, ensuring reliable performance in cold environments without embrittlement.
  • Food Contact Compliance. The product is suitable for food-contact packaging applications where regulatory compliance and product safety are required.

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