
TopSeed Coating GmbH
About us
Japanese glass beads - a quality of its own.
As an independent family owned company Extendofil GmbH is specialized in the sales of high quality glass microspheres. They are offered under the tradename EXTENDO®.
Presently we focus our development on industrial uses of Glass Beads in polymers.
We introduced UNITIKA GLASS BEADS since 2024. Today, leading European Nylon compounders rely on EXTENDO® as premium spherical glass microspheres.


