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August PE Operating Rates Climb, HDPE Production Soars 11.68% Month-on-Month

JLC 2025-08-11 19:21:58

Data source: JLC Network Technology

In August 2025, the overall operating rate of China's polyethylene (PE) industry was estimated at 80.44%, further increasing from July. By category, the operating rate for LDPE rose by 1.98 percentage points to 68.77%, mainly supported by the restart of Zhejiang Petrochemical's plant; the operating rate for LLDPE slightly increased by 0.04 percentage points to 81.16%, with stable plant operations; and the operating rate for HDPE significantly increased by 8.65 percentage points to 82.65%, driven by the restart of Lianyungang Petrochemical, the commissioning of Jilin Petrochemical, and the transition of full-density units to significantly boost low-pressure supply.

LDPE production has increased slightly, with differentiation among product types.

In August, both maintenance and restarts of LDPE units coexisted in China, with the estimated output increasing by 2.96% month-on-month. Zhejiang Petrochemical’s high-pressure unit successfully restarted after completing maintenance in late July, effectively compensating for the capacity shortfall caused by the planned maintenance at Shenhua Xinjiang’s unit. In terms of specific product types, LDPE film-grade showed the most significant increase, reaching 15,600 tons. Additionally, heavy-duty packaging material and cable material increased by 5,800 tons and 2,800 tons respectively. Meanwhile, the output of coating material and injection molding material declined to varying degrees, with coating material decreasing by 13,000 tons and LDPE injection molding material dropping by about 4,200 tons.

LLDPE supply tends to stabilize, and metallocene supply increases.

In August, the LLDPE market exhibited the characteristics of "overall stability with structural changes." Although the total production only increased by a mere 0.04% month-on-month, there were significant adjustments among different product categories. During the month, the production of LLDPE film (MI=2, without anti-blocking agent) increased by 56,800 tons, and the production of metallocene polyethylene also increased by 15,500 tons, reflecting the accelerated process of domestic high-end polyolefin products replacing imports. Meanwhile, LLDPE (MI=2, with anti-blocking agent) production decreased by approximately 33,400 tons, other LLDPE (including medium-density film, ultra-low molecular weight polyethylene, C6 linear film, etc.) decreased by about 14,000 tons, LLDPE injection molding decreased by about 13,100 tons, and LLDPE (MI=1) decreased by about 10,800 tons.

HDPE production surges significantly, driven notably by pipes and films.

In August, China's HDPE production saw a month-on-month increase of 11.68%, marking the largest single-month growth this year. This robust growth was primarily attributed to the dual-line restart of the Lianyungang Petrochemical plant, the commissioning of new equipment at Jilin Petrochemical, and the adjustment of some full-density units to produce HDPE. However, Lianyungang Petrochemical has plans for a shutdown during the month, and its subsequent operational status requires continued attention. According to the production scheduling plans by companies at the beginning of the month, the supply increase in HDPE film was the most significant, with a month-on-month increase of approximately 103,700 tons. This was mainly due to the production of this category following the restart of Lianyungang Petrochemical, and both Luqing Petrochemical and Yulong Petrochemical also plan to increase HDPE film production in phases. Additionally, HDPE pipe production increased by about 68,100 tons. Other HDPE (including bottle caps, rotational molding, ultra-high molecular weight, IBC barrels, medical dialysis fluid barrels, fuel tanks, and fiber materials, etc.) increased by about 12,100 tons, HDPE injection molding increased by about 9,300 tons, HDPE wire drawing increased by about 2,200 tons, HDPE cable increased by about 1,100 tons, and HDPE large and medium hollow products increased by about 800 tons. In contrast, the supply of HDPE small hollow products and CPE decreased month-on-month, with HDPE small hollow products decreasing by about 34,600 tons and CPE decreasing by about 21,900 tons.

In August, domestic PE supply in China shows a pattern of "HDPE increase, LDPE stable, LLDPE flat." It is expected that under the loose supply of HDPE, the market will be under pressure, while LDPE prices will remain high and consolidate.

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August PE Operating Rates Climb, HDPE Production Soars 11.68% Month-on-Month

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