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Water-based Ink Technical Parameters:

1, color: similar to the standard pattern Note: the sample and the standard sample is not connected with the manual display wheel color contrast

2, fineness: less than 20 micron Instrument: 0-50 micron scraper fineness meter.

3, viscosity: 20 seconds ± 5 seconds Instrument: RIGOSHA4 # cup (25 ℃).

4, PH value: 8.0-9

5, the instrument: portable PH instrument (PHB-2 type) .. heavy metal content: in line with the world packaging green standards.

6, tolerance to meet the requirements