Continuous improvement: our CRX-Th and CRX-HI ranges are evolving!
At TCN, innovation and safety are at the heart of our developments. That’s why we’ve recently improved two of our key dye ranges for organic lenses: CRX-Th (therapeutic) and CRX-HI (high-index lenses).
CRX-Th: A new powdered formula, more efficient and safer than ever
Our CRX-Th dyes, previously available in liquid form, are now offered in a powdered version, while maintaining their ability to filter wavelengths between 400 and 600 nm — ideal for therapeutic applications.
This evolution comes with an optimized formula offering:
- Faster tinting, for improved production efficiency.
- Enhanced safety: still free of any irritants or harmful substances.
- Easier preparation: available in 500 g, 5 kg, and 10 kg containers (ready-to-use solution after dilution).
Designed for chromatherapy, this new version meets the specific demands of optical professionals while ensuring visual comfort and well-being.
High-performance tinting for high-index lenses
Thanks to Catalyst 9219 Hi, it is now possible to efficiently use CRX-Adv powders to tint high-index lenses (1.6, 1.67, and 1.74). This innovative process ensures effective dyeing, even on the most complex materials.
Catalyst 9219 Hi: Unlock high-performance tinting for high-index lenses
Key benefits of Catalyst 9219 Hi, a dye accelerator:
• Tinting time reduced by up to 5 times
• Homogeneous results with optimized light transmission
• Odorless, non-toxic, and preserves lens structure
• Maximum efficiency starting from just 5 ml/L
Example: On MR8 lenses, light transmission drops from 55% to 25% after 15 minutes of soaking with catalyst.
Why adopt these new formulas?
✔ Faster and more efficient.
✔ Easier to store and handle.
✔ Still CMR-free and safety-compliant.
✔ Ideal for labs and lens manufacturers handling strong prescriptions.
