Sealants and adhesives

Pigment dispersions

Whether your products are sealants or adhesives, we can supply you with tailor-made solutions that perfectly fit your requirements depending on the sealant cross-linking mechanism, the adhesive system used, and viscosity.

Our solutions

Some specific topics

Sealants: from the DIY to the automotive sector

There is a large variety of sealants available on the DIY market. Different applications ask for different solutions: waterproof or not, fit for inside or outdoor applications, paintable or not. Whether your sealants are based on polyurethanes, silicones, or acrylics, we have adequate colouring solutions.

Related product collections


Pigment preparations based on plasticizers for PVC systems and on organic binders. As plasticizers we offer both phthalate and phthalate-free preparations. All categories are available in effect colours such as fluorescent, metallic and pearlescent colours.

Solventcolors & Alkycolors

Solvent-based colour concentrates are manufactured with different kinds of solvents and resin combinations, such as acrylics, aldehydes, and alkyds.


Silicopaste formulations are based on silicone oils of different functionality. We produce tailor-made products according to special requirements for each application (food contact, toys, automotive, etc.). Sioen is an experienced toll manufacturer for many global silicone producers.


An extensive colour palette of versatile water-based pigment dispersions, compatible with a vast amount of systems. Depending on the application or on specific customer demands, compliancy to various regulations (food-contact, toy-safety, Kosher and Halal certified, etc.) is possible.