Solvent Black 7, recognized under CAS NO. 8005-02-5, is a highly versatile and dependable dye widely utilized in the manufacturing of marking pen inks. Its specialized oil solubility makes it perfectly compatible with oil-based ink formulas, delivering a highly stable and consistent coloration that actively resists fading and smudging over time.

Manufactured to the most rigorous quality standards, this Solvent Black 7 dye guarantees outstanding consistency and reliability for marker ink production lines. Thanks to its high purity and superior solubility, it integrates seamlessly into various ink formulations, promoting a smooth, continuous, and even flow from the pen nib.

Furthermore, its exceptional lightfastness and resistance to environmental chemicals ensure that markings stay vibrant and legible under demanding conditions. Beyond marker inks, Solvent Black 7 is heavily employed across multiple industrial applications, including leather dyeing, plastics coloring, and wood staining processes. Its adaptability across different substrates makes it an essential dye for diverse manufacturing sectors.

Engineered for premium performance, our Solvent Black 7 dye provides maximum reliability to satisfy specialized colorant requirements. Strict quality control procedures ensure the product consistently delivers high-performance results.

Opting for Solvent Black 7 for marker ink production guarantees high-end outcomes. The deep, rich black tint coupled with reliable solubility and long-lasting durability makes it the premier option for formulating elite inks and marking products. Incorporate Solvent Black 7 into formulations to enhance product presentation and elevate overall output quality.