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| 1960 |
US company DuPont markets homopolymer type POM (Delrin) for the first time.
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| 1961 |
US company Celanese (currently Ticona) starts marketing copolymer type (CELCON).
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| 1962 |
Imports and marketing in Japan of CELCON commence through Polyplastics. Subsequently, the product is named DURACON for the Japanese market.
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| 1968 |
Polyplastics starts domestic production for the first time at its Fuji site in Shizuoka Prefecture. Subsequently, production capacity is increased, and now, the plant is one of the largest in the world.
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History