FULL SHADES.Bk.7
TINT
Digital color reference · physical approval required
SOLVENT DYES
Solvent Black 7
Solvent Black 7 is a nigrosine-base black dye used in selected plastics, resins, inks and leather-related formulations. Its solubility and processing behavior must be distinguished from alcohol-soluble Solvent Black 5; suitability follows the specific nigrosine grade.
- Color Index / grade
- S.Bk.7
- CAS
- 8005-02-5
- Chemical family
- Nigrosine dye mixture
Typical application scopeSelected plastics and resins, printing inks and leather finishes.
PRODUCT PROFILE
S.Bk.7Solvent Black 7 — grade profile
Solvent Black 7 (S.Bk.7) is a nigrosine dye mixture for coloration in Plastics & masterbatch, Printing inks and Coatings & paint. Grade selection should be verified for polymer compatibility, actual processing temperature, target transparency and migration requirements; the data below is limited to values supported by published sources.
No universal performance limit is stated in the published data. Request the current grade TDS and validate it in the intended system.
The listed application scope is Plastics & masterbatch, Printing inks and Coatings & paint.
Selection focus
Confirm polymer compatibility, transparency, dissolution, actual melt temperature, loading, and migration and light-fastness requirements in the finished article.
REFERENCE SHADE
Full shade and tint
Black
Full shade
Tint / reduction
Manufacturer-published shade descriptions were used to correct the color direction. Screen colors remain visual references, not batch standards; approve a physical drawdown or molded plaque under agreed test conditions.
TECHNICAL DATA
Published specifications
Only identified or numerical fields supported by public registry and product-table data are shown. Unpublished values are omitted.
ParameterPublished value
Product nameSolvent Black 7
Color Index / product gradeS.Bk.7
Colorant categorySolvent dyes
CAS number8005-02-5
Chemical familyNigrosine dye mixture
Physical appearanceColored powder
TransparencyTransparent
Performance values are catalogue references. The current grade TDS, test conditions and agreed batch COA govern product approval.
APPLICATIONS
Application guidance
Selected plastics and resins, printing inks and leather finishes.