HDPE

Your Professional HDPE Supplier

Enya Particles is a sourcing and supply company focused on chemical raw materials and polymer-related products. We partner with well-established and audited manufacturers across China to deliver stable, cost-effective materials for global chemical plants, plastic product manufacturers, and distributors. From commodity materials to application-specific grades, we support customers with reliable sourcing and timely quotations.

Verified Manufacturing Network

We work only with proven factories that meet strict quality and production standards, reducing sourcing risk.

Stable Quality Control

Each supplier is pre-evaluated, and materials are selected for consistency across batches and long-term supply.

Efficient Communication

Clear, fast responses and professional follow-up help you move projects forward without delays.

Cost-Effective Supply

Direct factory access allows competitive pricing without compromising product reliability.

Baofeng 5502S
Baofeng 5502S is an HDPE blow molding grade produced by Ningxia Baofeng Energy. It is mainly used for hollow blow-molded products such as chemical drums, lubricant bottles, detergent bottles, and...
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High Rigidity, Crack-resistant, And Good Machinability
5502 Blown film special grade material. It is a translucent, uncolored granule and is mainly used in the blow molding process.
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Excellent Machinability And Mechanical Properties
The complete model of Luqing 7750 is HM7750Z, a low-pressure high-density polyethylene (HDPE) product manufactured by Shandong Shouguang Luqing Petrochemical.
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Blow Molding Grade HDPE
Baofeng 5502S is HDPE blow molding grade resin with stable processing, high rigidity and good stress cracking resistance. It meets food contact standards, suitable for daily chemical bottles, food...
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HDPE For Film
Luqing 7750 is a HDPE for drawing with uniform pellets and stable processing. It features good flowability and high strength, suitable for drawing, extrusion and injection molding. Widely used in...
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Good Toughness HDPE
89609 is a high-performance HDPE developed by Dow. It appears as uniform milky white pellets with stable processing and good melt flow. It features high rigidity and toughness, low temperature...
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High Density Polyethylene Virgin Granules
Baofeng 5502 HDPE is blow-molding grade polyethylene with high rigidity, good impact resistance, suitable for containers and food packaging.
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HDPE 5502S Blow Molding Grade
Baofeng 5502S is a high-quality HDPE resin with excellent rigidity, stress cracking resistance and good processability. It is widely used in blow molding containers, packaging bottles and...
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HDPE for Blow Molding
Manufactured using Chevron Phillips Chemical's proprietary MarTECH ADL advanced dual-ring tube process with chromium-based catalysts, delivering exceptional mechanical strength, chemical resistance.
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High-density Polyethylene with Excellent Tensile Properties
Suitable for blow molding and extrusion process, mainly used in the manufacture of plastic bottles, plastic containers, pipes and other products.
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HDPE for Injection Molding
Dow 89609, officially designated as XZ 89609, is a high-density polyethylene (HDPE) product manufactured by Dow Chemical Company in the United States.
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Performance-stable HDPE
Featuring high strength and impact resistance, this material delivers exceptional tensile strength and rigidity to ensure injection-molded components' stability in harsh environments.
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Specification

Project	Test condition	Attribute value	Unit	Test method
Physical property
Density		0.963	g/cm³	ASTM D792
Melt index	190C/2.16 kg	8	g/10min	ISO 1133
Environmental stress cracking		3.00	hr	ASTM D1693
Mechanical behavior
Tensile yield strength		29	MPa	ISO 527-2
Tensile fracture strength		22	MPa	ISO 527-2
Elongation at break		1200	%	ISO 527-2
Flexural modulus	2% cosecant	XZ89609.00	MPa	ISO 527-2
Impact strength of a simply supported beam with a notch		6.3	kJ/m²	ISO 179/1eA
Durometer-hardness	D	66	not have	ASTM D2240
Hot property
Vickers softening point		129	℃	ASTM D1525

Excellent Machinability And Mechanical Properties

Advantages of HDPE

High Strength-to-Density Ratio
HDPE (high-density polyethylene) has a slightly higher density than similarly-produced LDPE (low-density polyethylene), but its linear structure exhibits substantially less branching. This means it has a higher tensile strength than LDPE and is why a 60-gram HDPE container can securely hold over a gallon of liquid.

Malleability
One of the primary advantages of HDPE plastic is its ease of molding once the proper temperature is reached. HDPE will remain stiff until it reaches extremely high temperatures because of its high melting point.

Resistance To Environmental Factors
While strength is significant when considering the advantages of HDPE plastic, resistance to environmental conditions like mold, mildew, and rotting is also essential. It’s an excellent material for underground plumbing to supply water since it’s long-lasting and weather-resistant.

Easily Recycled
Recycling is not only a considerate and environmentally responsible action but a vital factor to consider when marketing and promoting products. HDPE plastic is easily recycled. Businesses and individuals can save money on plastic production by sending discarded or no longer needed HDPE to a recycling plant.

Applications of HDPE

Plastic bottles
Most people are informally introduced to the durable plastic through water bottles. HDPE is great for blow-molding applications, particularly food and beverage containers because it won’t leach into the bottles’ contents.

Toys
HDPE is UV resistant which helps keep the toys resistant to the ray’s damaging and discoloring effects.

Chemical containers
With its chemical resistant properties, HDPE is great for laundry, shampoo, conditioner, household cleaning products, motor oil, antifreeze and recycling bins. The strength of these bottles is increased when they’ve been colored or pigmented.

Pipe systems
HDPE pipe grade sheet has a higher molecular weight compared to the standard HDPE used in the above examples. This strengthening with its UV-resistance makes it ideal for piping and outdoor applications. Pipe grade sheet has the ability to withstand -220 to 180 degrees Fahrenheit.

High Density Polyethylene Virgin Granules

Difference between HDPE and other Types of Plastic

Property	HDPE	LDPE	PET	PVC
Density	High	Low	Moderate	High
Strength	High	Low	Moderate	High
Flexibility	Rigid	Flexible	Rigid	Moderate
Chemical Resistance	Excellent	Good	Moderate to good	Excellent
Temperature Resistance	High	Low	High	High
Transparency	Natural	Translucent	Transparent	Opaque
Common Uses	Pipes, containers, packaging	Plastic bags, wraps	Bottles, containers	Pipes, flooring, and window frames
Recyclability	Good	Moderate	Excellent	Moderate
Durability	High	Low	High	High
Cost	Low	Very low	Moderate	Moderate

HDPE Manufacturing Process

01/

Ethylene Extraction
Ethylene is derived from natural gas or petroleum through a process called “cracking,” where large hydrocarbon molecules are broken down into smaller molecules, including ethylene. This step is critical as ethylene serves as the building block for high-density polyethylene.

02/

Purification and Compression
The extracted ethylene undergoes purification to remove impurities. It is then compressed and cooled to prepare for the polymerization process.

03/

Polymerization
Ethylene gas molecules are polymerized under controlled pressure and temperature in the presence of catalysts, such as Ziegler-Natta or chromium-based systems. These catalysts facilitate the formation of long chains of polyethylene, resulting in a dense, high-strength polymer.

04/

Pelletizing
The polyethylene material, initially in a molten or sludgy state, is cooled and cut into granules or pellets. These granules are the raw material for various HDPE applications. At this stage, manufacturers may introduce stabilizers, colorants, or other additives to customize the material for specific end uses.

Ordering Process

Packaging and Shipping

Packaging	25kg/Bag. Or customized packaging according to customer needs.
Shipping	We will help you to choose the best shipping way according to your detail requirements. By sea, by air, or by express, etc.

FAQ

Q: What is the Density of High-Density Polyethylene?

A: The density of High-Density Polyethylene (HDPE) ranges from 0.93 to 0.97 g/cm³. The higher density compared to other types of Polyethylene (Low-Density Polyethylene (LDPE) and Linear Low-Density Polyethylene (LLDPE)) contributes to HDPE's chemical and impact. The closely packed molecular structure of HDPE improves its rigidity, making it highly durable.

Q: What is the Melting Point of High-Density Polyethylene?

A: The melting point of High-Density Polyethylene (HDPE) ranges between 130°C and 135°C (266°F to 275°F), depending on its molecular structure and crystallinity. The temperature range allows HDPE to endure moderate heat without cracking.

Q: Can HDPE be Used in Medical Implants?

A: Yes, HDPE can be used in medical implants. HDPE is used in medical devices (prosthetic components and dental devices) for non-load-bearing applications. HDPE strength and biocompatibility make it suitable for applications where long-term durability and safety are essential.

Q: Is HDPE Easier to Mold than Acrylonitrile Butadiene Styrene (ABS)?

A: No, HDPE is not easier to mold than Acrylonitrile Butadiene Styrene (ABS). ABS is easier to mold than HDPE due to its lower melting point and better flow characteristics. ABS flows more smoothly during the molding process, making it suitable for more intricate and detailed mold designs.

Q: Does HDPE have Higher Abrasion Resistance than Polyamide (PA)?

A: Yes, HDPE has higher abrasion resistance than Polyamide (PA). The molecular structure of HDPE consists of long chains that are highly resistant to wear, providing durability against friction. HDPE performs better under stress due to its crystalline structure, which improves its resistance to scratching and surface damage.

Q: Is HDPE More Impact-Resistant than Polyethylene (PE) in Flexible Forms?

A: Yes, HDPE is more impact-resistant than Polyethylene (PE) in rigid forms. PE, being more flexible, is more likely to deform or crack when impacted, whereas HDPE maintains its structural integrity better under stress. HDPE has a higher molecular density, providing it with greater strength and resistance to deformation under impact.

As one of the leading HDPE manufacturers in China, our products have good reputation in the market. Please rest assured to buy high quality HDPE for sale here from our factory. We also accept customized orders.

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