Saturation indicator for formaldehyde absorption by active carbon and preparation method thereof
The invention relates to a saturation indicator for formaldehyde absorption by active carbon. The saturation indicator comprises the following components by weight percentage: 70-98.5% of active carbon, 0.5-20% of a water absorption expansion material, and 1-20% of a water production material. The w...
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Sprache: | chi ; eng |
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