...non refillable bottles

For more than 160 years we have been producing and developing high-quality glass beads and for more than 15 years beads made of ceramic. Our quality management to DIN ISO 9001 has been approved for years.

Sealing balls for spirits

This application required highest precision and thorough purity for the product itself, on the production equipment and in the production premises. We ensure these requirements by producing with state-of-the-art production, sorting and testing systems and working in accordance with the following quality standards:

  • DIN ISO 9001
  • Hygiene standard HACCP for products coming into contact with foods
  • Certification by ISO 15378 primary packaging means for medical products

 we have constant ongoing training for all our employees. Thanks to external audits at SiLi by our customers and external certification offices, we continuously develop and improove our high quality standards.

SiLibeads Closure-/Valve balls are produced directly from glass melt. Every single ball is checked for its diameter. We can guarantee a tolerance up to +/-0.15 mm. Optical sorting mashines are used on request in order to check the sphericity of the balls. A 100% check is ensured.

SiLibeads Closure-/Valve balls are produced in production premises in accordance with the HACCP hygiene standard. A contamination of the washed and sorted balls is excluded. All employees are trained and work in accordance with these standards.

SiLibeads Closure-/Valve balls are permanently checked for heavy metals and microbiological contamination. Upon customer request quality certificates can be supplied.


SiLibeads Closure-/Valve balls are automatically packaged in PET bags in accordance with the foods industry. Safe and clean transportation to the customer is guaranteed. Our production and storage capacities allow on-time delivery. Trough our Savety Stock Level we can even handle unplanned needs of our customers on time.


Sigmund Lindner GmbH
Oberwarmensteinacher Str. 38
95485 Warmensteinach


Fon:(+49) 9277 - 9940
Fax:(+49) 9277 - 99499