Showa Denko (SDK) has completed the expansion of its capacity to produce n-propyl acetate (NPAC), which is used in solvents for ink for special gravure printing.
NPAC is a solvent mainly used for ink for special gravure printing on packaging materials for food. So far, toluene and methyl ethyl ketone (MEK) are mainly used as solvents for the gravure printing ink. However, demand for NPAC—an acetate-based solvent—is increasing as their safe and easy-to-use substitute, due to the revision of the Air Pollution Control Act in which a tighter control has been introduced over the emission of volatile organic components. In recent years, the demand for NPAC has been increasing more than 10 percent a year.
At the end of 2009, SDK constructed facilities to produce NPAC with an annual production capacity of 13,000 tons in Oita complex and started commercial production and sale of NPAC in February 2010. In 2016, SDK increased the annual production capacity of the NPAC plant to 16,000 tons by getting rid of a bottleneck in the plant. This time, SDK expanded the annual production capacity of the NPAC plant to 18,200 tons through modifications to facilities during the period for regular maintenance and repair of Oita complex.
Showa Denko (SDK) has completed the expansion of its capacity to produce n-propyl acetate (NPAC), which is used in solvents for ink for special gravure printing.
NPAC is a solvent mainly used for ink for special gravure printing on packaging materials for food. So far, toluene and methyl ethyl ketone (MEK) are mainly used as solvents for the gravure printing ink. However, demand for NPAC—an acetate-based solvent—is increasing as their safe and easy-to-use substitute, due to the revision of the Air Pollution Control Act in which a tighter control has been introduced over the emission of volatile organic components. In recent years, the demand for NPAC has been increasing more than 10 percent a year.
At the end of 2009, SDK constructed facilities to produce NPAC with an annual production capacity of 13,000 tons in Oita complex and started commercial production and sale of NPAC in February 2010. In 2016, SDK increased the annual production capacity of the NPAC plant to 16,000 tons by getting rid of a bottleneck in the plant. This time, SDK expanded the annual production capacity of the NPAC plant to 18,200 tons through modifications to facilities during the period for regular maintenance and repair of Oita complex.
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