SiLiBeads® Type P

Precision glass beads Type P as valve ball, mixing beads, locking ball, for ball bearings
Type P glass beads are made of soda-lime glass and high-quality borosilicate glass. SiLibeads glass beads Type P achieve highest precision through a special grinding process. The diameter and roundness tolerance is < 10 microns on request. The manufacturing process allows all special dimensions in the range between 0.7 and 50 mm.
The surface quality of the glass beads can be selected from high-gloss to frosted, borosilicate glass and solid-coloured coloured glass beads can also be produced on request.

The chemical resistance allows the use in aggressive and corrosive media.

Valve ball – Closure beads
The glass beads are used as valve beads for ink cartridges and dispensers in the food and cosmetics industry. Metering pumps are often equipped with Type P glass beads.

Ball Bearings
Glass beads are used in ball bearings where corrosion resistance and chemical resistance play a role.

Mixing Beads
The pharmaceutical industry is a large field of application for mixing beads. For example, insulin carpules contain a borosilicate glass ball, which mixes the contents by shaking to achieve an even mixture of insulin.

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    CHARACTERISTICS

    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.

    PRODUCT CERTIFICATIONS

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    ISO 9001:2008 Certification

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