| bleaching |
Pulp to be used for printing paper undergoes a series of bleaching steps.
출처: www.internationalpaper.com/Our%20Company/Learning%...
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| bleaching |
Mixing activated earth or carbon with refined oil to remove the remaining color pigments, heavy metals, and traces of soap. The bleaching media is then removed by filtration.
출처: www.naturaloils.com/terms.html
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| bleaching |
The process of chemically treating pulp in order to give it a lighter colour or higher brightness.
출처: www.deluxepack.com/us/glossary.asp
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