Tint your polycarbonate lenses and create your own colors

Polycarbonate is a plastic used in the fabrication of various items, such as screens, and glasses for sports or safety. PCL4 liquid dyes are suitable for the coloration of non-coated polycarbonate lenses, by dipping. They are easy to use, the process is fast and allows to obtain even colors. Follow the steps below to dye […]
Reduce the tinting time of your high-index organic lenses

The carrier HDX allows to reduce up to 4 times the coloration time of your high-index lenses. High-index organic lenses (1.60 – 1.67) are thick lenses. Therefore, the coloration process is slower than with standard lenses. Discover how to accelerate the coloration of your high-index organic lenses, with our carrier HDX, used as a pretreatment. […]
Discover how to tint your CR-39® lenses in a semi-industrial production and create color gradients on CR-39® lenses

TCN visited the premises of the eyewear company Novacel, one of its loyal customers based in Château-Thierry. The purpose was to discover their organic lens tinting semi-industrial process, using TCN’s CRX powders. CRX dyeing powders are suitable to tint CR-39® organic lenses. They can be used in small or large productions. Watch our demo video […]
Color your CR-39® lenses easily with TCN’s CRX dyeing powders

Whether it is for aesthetics or to make solar lenses, a lot of glasses lenses are tinted. CRX powders are specific coloring powders useful to color coated and CR-39® organic lenses. Our CRX powders include 26 standard colors that can be mixed with each other. They are available in plastic boxes of 500 g and […]
How to realize and correct a color?

If you have the intention of creating your own color, you will have to choose criteria adapted to the realization of the desired shade after defining the color that you need (see part 3), starting from selecting primary colors that will be used to produce it. 4.1. Choice of primary colors In practice, TCN can […]
TCN at the Mido Eyewear Show in Milan from April 30th to May 2nd 2022!

TCN at the Mido Eyewear Show in Milan from April 30th to May 2nd 2022! This essential event of the eyewear industry allowed our team to exchange views with our customers and prospects on the polishing and coloration of their spectacle frames and/or organic lenses. We wanted to thank our loyal customers, who told us […]
How to define a color?

In order to define a color, it is necessary to determine it according to a reference frame as the Pantone color chart for instance, and measure the result. You often need specific shades that are not part of TCN’s standard shades of coloration ranges: CRX, GTC, GTD, TACC, PCL4… This device allows you to check […]
The combination principle to color all types of plastic materials

Colors can be classified in 3 categories according to their composition: primary, secondary and tertiary colors. The primary colors group serves to create all of the other colors, through combinations made between the different categories. This combination principle allows TCN to make numerous coloring products adapted to specific plastics. Here is this principle in detail: […]
TCN will share with you during several weeks its expertise regarding the principle of color combination!

By way of introduction, we will remind you of a few basic notions of physics. Then, during the following weeks, we will deal with the combination principle and the definition of color. You will also discover how to create a color. And finally, we will share with you our tips to correct a color. It […]
The Agglo Grand Paris Sud interviews Valérie Weil, TCN’s CEO

TCN (Techniques Chimiques Nouvelles) has chosen Grand Paris Sud to establish its new premises! Since January 2022, TCN, a French manufacturer of colouring and polishing products for plastic parts, has taken over its brand new headquarters in the territory, at 20, rue des Carriers Italiens, in Grigny. A further illustration of the attractiveness of Grand […]