Opaque India Ink has been formulated especially for technical design and drawing on surfaces like polyester and acetate. Opaque India Ink contains a high concentration of permanent pigment and reproduces perfectly in all copying systems. The colors can be mixed with one another and with water, and dry lightfast and water resistant. They are neither toxic nor inflammable. Opaque can be used with technical fountain pens, drawing pens, calligraphy pens and brushes. Utensils can be cleaned with water.
Opaque Ink conforms to the European Security Regulations and Environmental Standards of the REACH Protocol. For more information please consult the Material Safety Data Sheets (MSDS) at the Vallejo website.