Agfa Coupler Latex Dispersion for RA-4 Negative Paper
Agfa's latex-based coupler dispersion is optimized for RA-4 process color negative photographic paper, providing stable polymer particles that release dyes during development. It supports high-resolution imaging on photosensitive surfaces activated by light. Falls under HTS 3707.90.32.30 as a dedicated coupler dispersion for this paper type.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for use in motion picture print film rather than paper
Couplers for cinematographic film (even color negative type) have a distinct subheading from paper-specific dispersions.
If containing herbicides or pesticides as impurities
Chapter 37 excludes products covered by Chapter 38 note 1, shifting certain chemical preparations with agrochemical traits.
If imported as pure coupler compounds without dispersion
Undispersed organic coupler molecules classify as ether-phenols or derivatives in Chapter 29, lacking the prepared form.
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Import Tips & Compliance
• Test samples for concentration and stability to confirm they meet 'dispersion' criteria; watery solutions may be questioned
• Use invoices detailing batch numbers and exact coupler type (e.g
• magenta coupler) for traceability during customs valuation
• Avoid bulk shipments over 100kg without spill containment plans, as dispersions can be classified as hazardous
Related Products under HTS 3707.90.32.30
Kodak Coupler Dispersion for Color Negative Paper
This is a specialized chemical preparation containing color coupler dispersions designed specifically for incorporation into color negative photographic paper during manufacturing. It enables the formation of visible dye images when exposed to light and processed in color developers. Classified under HTS 3707.90.32.30 as it is a coupler dispersion for color negative photographic paper, relating to the photographic process on photosensitive surfaces.
Fujifilm Coupler Dispersion CD-1 for Negative Paper
Fujifilm's CD-1 coupler dispersion is a ready-to-use chemical formulation for integrating into emulsions of color negative photographic paper. It facilitates the coupling reaction with oxidized color developers to produce cyan, magenta, or yellow dyes upon light exposure. This product is precisely classified in HTS 3707.90.32.30 due to its specific application in color negative paper production.
Konica Minolta Yellow Coupler Dispersion Y-101
Konica Minolta Y-101 is a yellow coupler dispersion formulated for emulsion layers in color negative photographic paper, reacting with developers to form yellow dye images from exposed silver halides. It is put up ready for use in measured portions for lab or factory application. HTS 3707.90.32.30 applies directly to such dispersions targeted at color negative paper.
Bayer Magenta Coupler Dispersion for Negative Paper
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 accurate color reproduction. Specifically covered by HTS 3707.90.32.30 for its paper-negative coupler role.