HDPE & PP Container Production
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Household Cleaning Product Bottle Production Project
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Client Industry

Household and personal care packaging manufacturing (supplying packaging for multiple well-known domestic cleaning product brands).

Target Products

Laundry detergent bottles, dishwashing liquid bottles, fabric softener bottles.

Plastic Raw Material

HDPE (High-Density Polyethylene; utilizing food-contact and chemical-resistant grades that offer excellent resistance to environmental stress cracking).
Container Capacity

500ml (portable/small pack), 1L (standard household size), 2L (refill/economy pack).

Equipment Type

HDPE/PP extrusion blow molding machine equipped with a high-shear screw and high-efficiency plasticizing system to effectively prevent thermal degradation and ensure stable material flow.

Mold Configuration

Two-cavity mold featuring rapidly interchangeable core and cavity components designed for the three capacity specifications; equipped with a dedicated cooling system to precisely control HDPE shrinkage (1.5%–3%) and ensure dimensional consistency.

Production Results

Total daily line capacity exceeds 24,000 bottles; uniform wall thickness with no thin spots; excellent bottle-mouth sealing; smooth surface finish free of parting-line burrs; fully meets requirements for high-speed integration with filling lines and end-consumer usability.

Chemical Drum and Industrial Container Production Project

Client Industry

Chemical container manufacturing (serving producers of coatings, lubricants, fine chemicals, and industrial solvents).

Target Products

Chemical raw material drums, industrial handling drums, lubricant packaging drums.

Plastic Raw Material

HDPE (chemical-resistant grade; features excellent resistance to acid/alkali corrosion and long-term weatherability, suitable for industrial storage and transport environments).
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Container Capacity

5L (small-capacity packaging for fine chemicals), 10L (medium-capacity packaging for solvents and additives), 25L (standard large industrial drums and bulk procurement packaging).

Equipment Type

Large‑scale extrusion blow molding machine with accumulator‑head die and advanced Wall Thickness Control (WTC) system. It enables real‑time axial parison wall‑thickness adjustment for different drum sections per strength requirements. High‑torque hydraulic drive on main unit guarantees adequate clamping force.

Mold Configuration

Single-cavity, thick-walled mold made of high-hardness mold steel to withstand high clamping forces and long-term production wear; equipped with a parison thickness control ring compatible with the WTC system; features targeted wall thickness reinforcement at critical points subject to drop impact and stacking loads.

Production Results

Individual finished product weight remains stable within ±1.5% of the nominal value; uniform wall thickness distribution across the drum body; excellent stacking load-bearing performance; all units passed 1.2-meter drop tests and 24-hour airtightness tests; fully compliant with UN certification standards for chemical storage and transport as well as export packaging requirements.

Cases
Zhangjiagang Huili Machinery Co., Ltd. is very professional in the research , development, design and manufacture of plastic machine, with more than 20 million fixed assets.

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