SunSirs: Cost Increased, DOP Price Stopped Falling and Rose in July
July 08 2025 14:42:17     SunSirs (John)The price of plasticizer DOP stopped falling and rose in July
According to the Commodity Market Analysis System of SunSirs, as of July 7th, the DOP price was 8,259.17 RMB/ton, which first fell and then rose compared to the DOP price of 8,259.17 RMB/ton on July 1st, and the overall price had stabilized; Compared to the DOP price of 8,184.16 RMB/ton on July 2nd, it increased by 0.92%. In July, DOP production decreased, and the operating rate of the plasticizer industry dropped to around 50%. DOP prices fluctuated and consolidated, plasticizer production decreased, raw material isooctanol prices fluctuated and rose, phthalic anhydride prices stopped falling and stabilized, plasticizer cost support increased, supply decreased combined with cost increased, and plasticizer prices fluctuated and rose.
The price of raw material isooctanol fluctuated and rose in July
According to the Commodity Market Analysis System of SunSirs, as of July 7th, the price of isooctanol was 7,733.33 RMB/ton, a fluctuating increase of 2.43% compared to the price of 7,550 RMB/ton on July 1st. In July, the price of isooctanol fluctuated and rose, with many isooctanol enterprises undergoing maintenance, resulting in a decrease in the operating rate of isooctanol equipment, a reduction in isooctanol production, and a decrease in isooctanol supply; Downstream plasticizer companies had seen a decrease in production, leading to a decrease in demand for isooctanol and weak supply and demand. As a result, the price of isooctanol fluctuated and rose.
In July, the price of raw material phthalic anhydride stopped falling and stabilized
According to the Commodity Market Analysis System of SunSirs, as of July 7th, the price of phthalic anhydride was 6,816.67 RMB/ton, which stabilized from the price of 6,866.67 RMB/ton on July 1st, with a decrease of 0.73%. In July, the price of OX stabilized, the price of industrial naphthalene fluctuated and stabilized, and the cost support of phthalic anhydride still existed. In July, phthalic anhydride equipment was repaired, and the operating rate of phthalic anhydride enterprises decreased, resulting in a reduction in phthalic anhydride supply. The downstream plasticizer market fluctuated and rose, and the operating load of plasticizer enterprise equipment decreased, weakening the demand support for phthalic anhydride. Stable supply and weak demand led to the stabilization of phthalic anhydride prices in July.
Future outlook:
According to the plasticizer products data analyst of SunSirs, in terms of cost, the price of isooctanol fluctuated and rose, while the price of phthalic anhydride stopped falling and stabilized, and the cost support of plasticizer DOP had increased; On the supply side, plasticizer enterprises saw a decrease in production, a reduction in plasticizer output, and a decrease in plasticizer supply. Overall, with reduced supply and cost support, it is expected that the price of plasticizer DOP will fluctuate and rise in the future.
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