Water filtration/Water wells

SiLiBeads® ......crystal clear water

We have produced and developed high-quality glass beads for over 160 years and grinding beads of zirconium oxide and zirconium silicate for over 15 years.

Our quality management to DIN ISO 9001 has been approved for years.

Filter balls instead of filter gravel for drinking water wells

Our extensive and well-grounded experience with the efficient use of natural resources has played an increasing role in our actions and decisions. Procuring water will represent a great challenge for the future, besides producing alternative energy sources.

We claim to be active in this field with our products and concepts. We have made a detailed examination of the use of glass beads as support and filter material in cooperation with an established well sinker, other specialists in this field, and universities. After two years of research, the results confirm that our SiLiBeads®, beads of soda-lime glass, have the characteristics most suitable for this application.

Since 2007 over 150 wells were already equipped with SiLiBeads® glass balls in Germany, Italy, France and Switzerland in stead of gravel.

All information:

Get In Touch!



    A 150 years old Company with each production batch undergoing strict Product Quality checks (diameter, sphericity, corrosion behaviour, internal structure and specific weight).

    SiLi also deal intensely with wet grinding technology, being constantly in contact with all the world’s leading mill manufacturers. The wear and tear rate of our micro-bead grinding media is among the best in the industry.



    ISO 9001:2008 Certification

    Protocols conforms with DIN ISO 15378 for pharmaceuticals Glass beads are conform to EC regulation 1935/2004/EC