T/CWIA 1009-2020
Inks for long cap-off time permanent marker (English Version)

Standard No.
T/CWIA 1009-2020
Language
Chinese, Available in English version
Release Date
2020
Published By
Group Standards of the People's Republic of China
Latest
T/CWIA 1009-2020
Scope
The main technical content includes 13 physical and chemical properties and corresponding test methods such as appearance, viscosity, surface tension, pH, insoluble matter, initial writing performance, writing performance, intermittent writing, dryness, adhesion, water resistance, light resistance and preservation. , and stipulates the content of migratable elements in the ink.

T/CWIA 1009-2020 history




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