Lotrene 5502BN HDPE Resin

Lotrene 5502BN is a hexene copolymer high-density polyethylene (HDPE) resin developed for extrusion blow molding applications. It offers an excellent balance of stiffness, environmental stress crack resistance (ESCR), impact performance, and processing stability, making it suitable for a wide range of packaging solutions in food, pharmaceutical, household, and industrial markets.

Engineered for efficient blow molding operations, HDPE 5502BN features high melt strength and stable parison control, enabling lightweight container production with consistent wall thickness and excellent dimensional stability. Its combination of mechanical durability, chemical resistance, and manufacturing efficiency supports reliable performance throughout the product lifecycle.

Nominal Physical Properties *	ASTM	Unit	Value
Density	D792	g/cm³	0.955
Melt Index, Condition 190 C°/ 2.16 kgs	D1238	g/10min	0.35
HLMI, Condition 190 C°/21.6 kgs	D1238	g/10min	33
ESCR
Condition B, F₅₀ (100% Igepal)	D1693	h	24
Tensile Yield Strength, 50 mm/ min	D638	MPa	27
	Type IV
Elongation at Break, 50 mm/ min	D638	%	>600
	Type IV
Brittleness Temperature	D746	°C	<-75
Flexural Modulus, Tangent	D790	MPa	1370
Shore D Hardness	D2240	–	63

Typical Applications of Lotrene 5502BN

Food packaging containers. Lotrene 5502BN has excellent hygienic properties, low water absorption, and excellent stress crack resistance ensure the safety and quality of food during storage and transportation. It is widely used in the manufacture of various food packaging containers, such as cooking oil bottles, sauce bottles, and food storage boxes. It complies with relevant food contact safety standards and is suitable for direct food contact, providing a reliable packaging solution for the food industry.
Pharmaceutical packaging containers. The pharmaceutical industry places extremely stringent demands on packaging materials. HDPE 5502BN, with its stable chemical properties, high barrier properties, and excellent processing properties, meets the special requirements of pharmaceutical packaging. It can be used in medicine bottles, ointment tubes, and medical device packaging, effectively protecting drugs from environmental influences and ensuring their quality and efficacy.
Household and industrial chemical containers. Its high strength, impact resistance, and chemical resistance make it an ideal choice for household and industrial chemical containers. Common applications include laundry detergent bottles, dishwashing liquid bottles, and industrial chemical storage tanks. It can withstand chemical corrosion, maintaining container integrity during long-term storage and use, preventing chemical leakage and ensuring safe use.
Cooling equipment, such as ice buckets and coolers, requires materials with excellent rigidity and impact resistance to withstand the impact and friction of daily use. Q 5502BN meets these requirements. Its low water absorption also ensures stable performance in humid environments, providing reliable material protection for cooling equipment and extending its service life.

Main Features of HDPE Q 5502BN

Excellent stiffness and structural integrity
Outstanding environmental stress crack resistance (ESCR)
High melt strength for stable blow molding operations
Good impact resistance and toughness
Excellent chemical resistance
Superior low-temperature performance
Suitable for lightweight packaging design
Consistent processing performance and product quality
Good surface finish and dimensional stability
Compliant with food-contact and pharmaceutical packaging requirements

Processing Performance

Lotrene Q 5502BN has been engineered to provide excellent extrusion blow molding performance. Its high molecular weight structure delivers superior melt strength, helping to maintain parison stability and reduce sagging during processing. The resin allows for improved wall thickness control, enhanced productivity, and consistent finished-part quality.

The material performs efficiently on both continuous and accumulator-head blow molding equipment, making it suitable for high-volume manufacturing environments where process reliability and output consistency are essential.