Bayer Magenta Coupler Dispersion for Negative Paper from China
Bayer's magenta coupler dispersion is a key ingredient for color negative photographic paper, dispersed in gelatin for coating onto paper base. It couples with oxidized developers post-exposure to produce magenta dyes essential for image formation. This chemical preparation is classified under tariff item 3707.90.00 as a photographic chemical preparation for use in manufacturing.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the dispersion is not classified as waste or scrap, as chapter 37 excludes such goods
• Verify the product is not put up in measured doses or for retail sale, which could shift classification to other headings
• Keep detailed technical documentation to support the chemical composition and photographic use