Is there any product information or certificates that indicate that the substances used in the edding 8030 NLS high-tech marker are below a certain ppm (parts per million)?
The ink of the e-8030 has been studied some time ago.
Based on the results, we can confirm the following values for the ink:
Cu < 5 ppm
Zn < 5 ppm
Cd < 5 ppm
Sn < 10 ppm
Pb < 10 ppm
Bi < 1 ppm
Na < 70 ppm
F < 100 ppm
Cl < 100 ppm
Br < 50 ppm
I < 50 ppm
S < 100 ppm
C < 1 ppm