Basic Chemicals
We manufacture and sell products that are used as raw materials for petrochemicals from naphtha and other materials obtained during the crude oil refining process. Our strength is integrated operation with oil refining, and we have one of the top ethylene production capacities in Japan.
basic information
What are Basic Chemicals?
We will introduce what Basic Chemicals are, along with their production capacity, bases, and manufacturing flow.
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Building a supply chain for biomass plastics
Aiming to reduce the carbon content of plastic raw materials, we are working to supply biomass chemicals and build a supply chain for biomass plastics.
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recycling used plastics
We aim to build a Resources recycling system that recycles used plastics into raw materials by heating and decomposing them to produce oil equivalent to crude oil.
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Prime Polymer Co., Ltd.
This is a joint venture between Mitsui Chemicals Co., Ltd. and Idemitsu Kosan. We manufacture, process, and sell polypropylene resin and polyethylene resin, and aim to create diverse and high value-added new products and technologies.
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PS Japan Co., Ltd.
This is a joint venture between Asahi Kasei Corporation and Idemitsu Kosan. As Japan's largest polystyrene resin manufacturer, we manufacture, sell, and conduct research and development of synthetic resins.
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Petrochemicals (Malaysia) Sdn. Bhd.
Established in 1972, it is a wholly owned subsidiary of Idemitsu Kosan. As Malaysia's only polystyrene manufacturer, we manufacture polystyrene resin and sell it to Southeast Asia, including Malaysia.
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Chemical Recycle Japan Co., Ltd.
This is a joint venture between Idemitsu Kosan and Kankyo Energy Co., Ltd. We sell oil produced from used plastics and contribute to the circulation of plastic Resources through chemical recycling.
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